Reversible Spectral Speech Watermarking with Variable Embedding Locations Against Spectrum-Based Attacks Peer-reviewed

Xuping Huang, Akinori Ito

Applied Sciences　15　(1)　381　2025/01/03

DOI： 10.3390/app15010381 　

Unified model for voice conversion of speech and singing voice using adaptive pitch constraints Peer-reviewed

Shogo Fukawa, Takashi Nose, Shuhei Imai, Akinori Ito

Acoustical Science and Technology　46　(1)　120-123　2025/01/01

DOI： 10.1250/ast.e24.47 　

ISSN： 1346-3969

eISSN： 1347-5177

We open our mouths when we are silent Peer-reviewed

Shoki Kawanishi, Yuya Chiba, Akinori Ito, Takashi Nose

Acoustical Science and Technology　46　(1)　96-99　2025/01/01

DOI： 10.1250/ast.e24.21 　

ISSN： 1346-3969

eISSN： 1347-5177

Fast end-to-end non-parallel voice conversion based on speaker-adaptive neural vocoder with cycle-consistent learning Peer-reviewed

Shuhei Imai, Aoi Kanagaki, Takashi Nose, Shogo Fukawa, Akinori Ito

Acoustical Science and Technology　46　(1)　116-119　2025/01/01

DOI： 10.1250/ast.e24.46 　

ISSN： 1346-3969

eISSN： 1347-5177

LLM as decoder: Investigating Lattice-based Speech Recognition Hypotheses Rescoring Using LLM Peer-reviewed

Sheng Li, Yuka Ko, Akinori Ito

2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　1-5　2024/12/03

DOI： 10.1109/apsipaasc63619.2025.10848752 　

A Study on Variable Embedding Locations of Reversible Spectral Speech Watermarking

Xuping Huang, Akinori Ito

2024 Asia Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　1-6　2024/12/03

DOI： 10.1109/apsipaasc63619.2025.10848605 　

Suboptimal Allocation of Defense Schedule Using Simulated Annealing Peer-reviewed

Akinori Ito

Journal for Academic Computing and Networking　28　106-113　2024/11

DOI： 10.24669/jacn.28.1_106 　

Selection of key sentences from lecture video transcription and its application to feedback to the learner Peer-reviewed

Miki Takeuchi, Akinori Ito, Takashi Nose

Proceedings of the 2024 8th International Conference on Education and Multimedia Technology　218-223　2024/06/22

DOI： 10.1145/3678726.3678733 　

Development of a Personal Guide Robot That Leads a Guest Hand-in-Hand While Keeping a Distance Peer-reviewed

Hironobu Wakabayashi, Yutaka Hiroi, Kenzaburo Miyawaki, Akinori Ito

Sensors　24　(7)　2345-2345　2024/04/07

DOI： 10.3390/s24072345 　

eISSN： 1424-8220

Imperceptible and Reversible Acoustic Watermarking Based on Modified Integer Discrete Cosine Transform Coefficient Expansion Peer-reviewed

Xuping Huang, Akinori Ito

Applied Sciences　14　(7)　2757-2757　2024/03/25

DOI： 10.3390/app14072757 　

eISSN： 2076-3417

Character Expressions in Meta-Learning for Extremely Low Resource Language Speech Recognition Peer-reviewed

Rui Zhou, Akinori Ito, Takashi Nose

Proceedings of the 2024 16th International Conference on Machine Learning and Computing　2024/02/02

DOI： 10.1145/3651671.3651730 　

Evaluation of Environmental Sound Classification using Vision Transformer Peer-reviewed

Changlong Wang, Akinori Ito, Takashi Nose, Chia-Ping Chen

Proceedings of the 2024 16th International Conference on Machine Learning and Computing　665-669　2024/02/02

DOI： 10.1145/3651671.3651733 　

Toward Photo-Realistic Facial Animation Generation Based on Keypoint Features Peer-reviewed

Zikai Shu, Takashi Nose, Akinori Ito

Proceedings of the 2024 16th International Conference on Machine Learning and Computing　39　334-339　2024/02/02

DOI： 10.1145/3651671.3651731 　

Speaker Intimacy Estimation in Chat-Talks Based on Verbal and Non-Verbal Information Peer-reviewed

Yuya Chiba, Akinori Ito

IEEE Access　12　184592-184606　2024

DOI： 10.1109/ACCESS.2024.3507945 　

A Replaceable Curiosity-Driven Candidate Agent Exploration Approach for Task-Oriented Dialog Policy Learning Peer-reviewed

Xuecheng Niu, Akinori Ito, Takashi Nose

IEEE Access　2024

DOI： 10.1109/ACCESS.2024.3462719 　

Multilingual Meta-Transfer Learning for Low-Resource Speech Recognition Peer-reviewed

Rui Zhou, Takaki Koshikawa, Akinori Ito, Takashi Nose, Chia-Ping Chen

IEEE Access　2024

DOI： 10.1109/ACCESS.2024.3486711 　

Scheduled Curiosity-Deep Dyna-Q: Efficient Exploration for Dialog Policy Learning Peer-reviewed

Xuecheng Niu, Akinori Ito, Takashi Nose

IEEE Access　12　46940-46952　2024

DOI： 10.1109/ACCESS.2024.3376418 　

eISSN： 2169-3536

Development of a Play-Tag Robot with Human–Robot Contact Peer-reviewed

Yutaka Hiroi, Kenzaburo Miyawaki, Akinori Ito

Applied Sciences　13　(23)　12909-12909　2023/12/01

DOI： 10.3390/app132312909 　

eISSN： 2076-3417

Multimodal Expressive Embodied Conversational Agent Design Peer-reviewed

Simon Jolibois, Akinori Ito, Takashi Nose

Communications in Computer and Information Science　244-249　2023/07/09

DOI： 10.1007/978-3-031-35989-7_31 　

ISSN： 1865-0929

eISSN： 1865-0937

Spoken term detection from utterances of minority languages Invited Peer-reviewed

Akinori Ito, Satoru Mizuochi, Takashi Nose

Issues in Japanese Psycholingustics from Comparative Perspectives　1　2023/07

Effect of Data Size and Machine Translation on the Accuracy of Automatic Personality Classification Peer-reviewed

Yuki Fukazawa, Akinori Ito, Takashi Nose

Advances in Intelligent Information Hiding and Multimedia Signal Processing　405-413　2023/05/24

DOI： 10.1007/978-981-99-0105-0_36 　

ISSN： 2190-3018

eISSN： 2190-3026

Spoken Dialogue System Development Without Speech Recognition Towards Language Revitalization Peer-reviewed

Akinori Ito

Advances in Intelligent Information Hiding and Multimedia Signal Processing　393-404　2023/05/24

DOI： 10.1007/978-981-99-0105-0_35 　

ISSN： 2190-3018

eISSN： 2190-3026

A Robotic System for Remote Teaching of Technical Drawing Peer-reviewed

Yuataka Hiroi, Akinori Ito

Education Sciences　13　(4)　2023/03/28

DOI： 10.3390/educsci13040347 　

Personality Analysis of Entrepreneurial Text for Entrepreneurship Education Peer-reviewed

Akinori Ito, Kotaro Takeda, Shuichi Ishida

2023 5th International Conference on Natural Language Processing (ICNLP)　2023/03

DOI： 10.1109/icnlp58431.2023.00047 　

Path Following Algorithm with Small Error for Guide Robot Peer-reviewed

Hironobu Wakabayashi, Yutaka Hiroi, Kenzaburo Miyawaki, Akinori Ito

Robot Intelligence Technology and Applications 7　56-67　2023/03/01

DOI： 10.1007/978-3-031-26889-2_6 　

ISSN： 2367-3370

eISSN： 2367-3389

Confidence-based Utterance Selection for a Recognizer-free Spoken Dialogue System Peer-reviewed

Akinori Ito

Proceedings of the 2023 15th International Conference on Machine Learning and Computing　481-484　2023/02/17

DOI： 10.1145/3587716.3587796 　

Response Sentence Modification Using a Sentence Vector for a Flexible Response Generation of Retrieval-based Dialogue Systems Peer-reviewed

Ryota Yahagi, Akinori Ito, Takashi Nose, Yuya Chiba

2022 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　2022/11/07

DOI： 10.23919/apsipaasc55919.2022.9979841 　

Design and Construction of Japanese Multimodal Utterance Corpus with Improved Emotion Balance and Naturalness Peer-reviewed

Daisuke Horii, Akinori Ito, Takashi Nose

2022 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC)　2022/11/07

DOI： 10.23919/apsipaasc55919.2022.9980272 　

Multimodal Dialogue Response Timing Estimation Using Dialogue Context Encoder Peer-reviewed

Ryota Yahagi, Yuya Chiba, Takashi Nose, Akinori Ito

Lecture Notes in Electrical Engineering　133-141　2022/11/01

DOI： 10.1007/978-981-19-5538-9_9 　

ISSN： 1876-1100

eISSN： 1876-1119

Combination of deep-learning-based audio separation and speech enhancement for noise reduction of extracted signal from polyphonic music Peer-reviewed

Soichiro Kobayashi, Takashi Nose, Akinori Ito

Proceedings of the 24th International Congress of Acoustics　2022/10

Successive Binary Partition K-means Method for Clustering with Less Cluster Size Bias Peer-reviewed

Akinori Ito

2022 7th International Conference on Signal and Image Processing (ICSIP)　2022/07/20

DOI： 10.1109/icsip55141.2022.9886452 　

Development of a Teleoperated Play Tag Robot with Semi-Automatic Play Peer-reviewed

Yoshitaka Kasai, Yutaka Hiroi, Kenzaburo Miyawaki, Akinori Ito

2022 IEEE/SICE International Symposium on System Integration (SII)　2022/01/09

DOI： 10.1109/sii52469.2022.9708883 　

Spoken Term Detection of Zero-Resource Language Using Posteriorgram of Multiple Languages

Satoru MIZUOCHI, Takashi NOSE, Akinori ITO

Interdisciplinary Information Sciences　28　(1)　1-13　2022

DOI： 10.4036/iis.2022.a.04 　

ISSN： 1340-9050

eISSN： 1347-6157

Study on the Background Music Cancellation System for Speech Privacy Peer-reviewed

Jianning Huang, Akinori Ito

2021 IEEE 6th International Conference on Signal and Image Processing (ICSIP)　2021/10/22

DOI： 10.1109/icsip52628.2021.9688835 　

Analysis of Feature Extraction by Convolutional Neural Network for Speech Emotion Recognition Peer-reviewed

Daisuke Horii, Akinori Ito, Takashi Nose

2021 IEEE 10th Global Conference on Consumer Electronics (GCCE)　2021/10/12

DOI： 10.1109/gcce53005.2021.9621964 　

Speaker Intimacy in Chat-Talks: Analysis and Recognition based on Verbal and Non-Verbal Information Peer-reviewed

Chiba, Yuya, Yoshihiro Yamazaki, Akinori Ito

Proceedings of the 25th Workshop on the Semantics and Pragmatics of Dialogue　2021/09

Effect of Training Data Selection for Speech Recognition of Emotional Speech Peer-reviewed

Yusuke Yamada, Yuya Chiba, Takashi Nose, Akinori Ito

International Journal of Machine Learning and Computing　11　(5)　362-366　2021/09

Improvement of Automatic English Pronunciation Assessment with Small Number of Utterances Using Sentence Speakability Peer-reviewed

Satsuki Naijo, Akinori Ito, Takashi Nose

Interspeech 2021　2021/08/30

DOI： 10.21437/interspeech.2021-1132 　

Neural Spoken-Response Generation Using Prosodic and Linguistic Context for Conversational Systems Peer-reviewed

Yoshihiro Yamazaki, Yuya Chiba, Takashi Nose, Akinori Ito

Interspeech 2021　2021/08/30

DOI： 10.21437/interspeech.2021-381 　

Development of a Mobile Robot That Plays Tag with Touch-and-Away Behavior Using a Laser Range Finder Peer-reviewed

Yoshitaka Kasai, Yutaka Hiroi, Kenzaburo Miyawaki, Akinori Ito

Applied Sciences　11　(16)　7522-7522　2021/08/17

DOI： 10.3390/app11167522 　

eISSN： 2076-3417

SMOC corpus: A large-scale Japanese spontaneous multimodal one-on-one chat-talk corpus for dialog systems Peer-reviewed

Yoshihiro Yamazaki, Yuya Chiba, Takashi Nose, Akinori Ito

Acoustical Science and Technology　42　(4)　210-213　2021/07/01

DOI： 10.1250/ast.42.210 　

ISSN： 1346-3969

eISSN： 1347-5177

A Light-weight Hand-waving Gesture Recognition Method Using Kinect V2 and Frequency Analysis Peer-reviewed

Yuki Misaki, Yutaka Hiroi, Akinori Ito

2021 IEEE/SICE International Symposium on System Integration, SII 2021　750-755　2021/01/11

DOI： 10.1109/IEEECONF49454.2021.9382709 　

CycleGAN-Based High-Quality Non-Parallel Voice Conversion with Spectrogram and WaveRNN Peer-reviewed

Aoi Kanagaki, Masaya Tanaka, Takashi Nose, Ryohei Shimizu, Akira Ito, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　356-357　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291952 　

Incremental response generation using prefix-to-prefix model for dialogue system Peer-reviewed

Ryota Yahagi, Yuya Chiba, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　349-350　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291883 　

A study on minimum spectral error analysis of speech Peer-reviewed

Takuma Hayasaka, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　362-363　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291840 　

Filler prediction based on bidirectional LSTM for generation of natural response of spoken dialog Peer-reviewed

Yoshihiro Yamazaki, Yuya Chiba, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　360-361　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291867 　

Successive Japanese lyrics generation based on encoder-decoder model Peer-reviewed

Rikiya Takahashi, Takashi Nose, Yuya Chiba, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　126-127　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291718 　

Analysis and Estimation of Sentence Speakability for English Pronunciation Evaluation Peer-reviewed

Satsuki Naijo, Yuya Chiba, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　353-355　2020/10/13

DOI： 10.1109/GCCE50665.2020.9292072 　

LJSing: large-scale singing voice corpus of single Japanese singer Peer-reviewed

Takuto Fujimura, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　364-365　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291704 　

Improving Pronunciation Clarity of Dysarthric Speech Using CycleGAN with Multiple Speakers Peer-reviewed

Shuhei Imai, Takashi Nose, Aoi Kanagaki, Satoshi Watanabe, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　366-367　2020/10/13

DOI： 10.1109/GCCE50665.2020.9292041 　

Spoken term detection based on acoustic models trained in multiple languages for zero-resource language Peer-reviewed

Satoru Mizuochi, Yuya Chiba, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　351-352　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291761 　

Integration of accent sandhi and prosodic features estimation for japanese text-to-speech synthesis Peer-reviewed

Daisuke Fujimaki, Takashi Nose, Akinori Ito

2020 IEEE 9th Global Conference on Consumer Electronics, GCCE 2020　358-359　2020/10/13

DOI： 10.1109/GCCE50665.2020.9291906 　

Language modeling in speech recognition for grammatical error detection based on neural machine translation Peer-reviewed

Jiang Fu, Yuya Chiba, Takashi Nose, Akinori Ito

Acoustical Science and Technology　41　(5)　788-791　2020/09/01

DOI： 10.1250/ast.41.788 　

ISSN： 1346-3969

eISSN： 1347-5177

Construction and analysis of a multimodal chat-talk corpus for dialog systems considering interpersonal closeness Peer-reviewed

Yoshihiro Yamazaki, Yuya Chiba, Takashi Nose, Akinori Ito

LREC 2020 - 12th International Conference on Language Resources and Evaluation, Conference Proceedings　443-448　2020

Multi-stream attention-based BLSTM with feature segmentation for speech emotion recognition Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2020-October　3301-3305　2020

DOI： 10.21437/Interspeech.2020-1199 　

ISSN： 2308-457X

eISSN： 1990-9772

A symbol-level melody completion based on a convolutional neural network with generative adversarial learning Peer-reviewed

Kosuke Nakamura, Takashi Nose, Yuya Chiba, Akinori Ito

Journal of Information Processing　28　248-257　2020

DOI： 10.2197/ipsjjip.28.248 　

ISSN： 0387-5806

eISSN： 1882-6652

Human-machine metacommunication towards development of a human-like agent: A short review Peer-reviewed

Akinori Ito

Acoustical Science and Technology　41　(1)　166-169　2020

DOI： 10.1250/ast.41.166 　

ISSN： 1346-3969

eISSN： 1347-5177

Evaluation of Person Tracking Methods for Human-Robot Physical Play Peer-reviewed

Koyuki Ikemoto, Yutaka Hiroi, Akinori Ito

Proceedings of the 2020 IEEE/SICE International Symposium on System Integration, SII 2020　416-421　2020/01

DOI： 10.1109/SII46433.2020.9026275 　

A pedestrian avoidance method considering personal space for a guide robot Peer-reviewed

Yutaka Hiroi, Akinori Ito

Robotics　8　(4)　2019/12/01

DOI： 10.3390/ROBOTICS8040097 　

eISSN： 2218-6581

Realization of a robot system that plays "darumasan-ga-koronda" game with humans Peer-reviewed

Yutaka Hiroi, Akinori Ito

Robotics　8　(3)　2019/09/01

DOI： 10.3390/robotics8030055 　

eISSN： 2218-6581

Improving human scoring of prosody using parametric speech synthesis Peer-reviewed

Hafiyan Prafianto, Takashi Nose, Yuya Chiba, Akinori Ito

Speech Communication　111　14-21　2019/08

DOI： 10.1016/j.specom.2019.06.001 　

ISSN： 0167-6393

Effect of Mutual Self-Disclosure in Spoken Dialog System on User Impression Peer-reviewed

Shunsuke Tada, Yuya Chiba, Takashi Nose, Akinori Ito

2018 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2018 - Proceedings　806-810　2019/03/04

DOI： 10.23919/APSIPA.2018.8659630 　

Latent words recurrent neural network language models for automatic speech recognition Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Sumitaka Sakauchi, Akinori Ito

IEICE Transactions on Information and Systems　E102D　(12)　2557-2567　2019

DOI： 10.1587/transinf.2018EDP7242 　

ISSN： 0916-8532

eISSN： 1745-1361

Preface

Jeng Shyang Pan, Akinori Ito, Pei Wei Tsai, Lakhmi C. Jain

Smart Innovation, Systems and Technologies　110　v-vi　2019

DOI： 10.1109/ICB.2012.6199777 　

ISSN： 2190-3018

eISSN： 2190-3026

Multi-condition training for noise-robust speech emotion recognition Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito

Acoustical Science and Technology　40　(6)　406-409　2019

DOI： 10.1250/ast.40.406 　

ISSN： 1346-3969

eISSN： 1347-5177

Evaluation of English speech recognition for Japanese learners using DNN-based acoustic models Peer-reviewed

Jiang Fu, Yuya Chiba, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　110　93-100　2019

DOI： 10.1007/978-3-030-03748-2_11 　

ISSN： 2190-3018

eISSN： 2190-3026

Comparison of speech recognition performance between kaldi and google cloud speech API Peer-reviewed

Takashi Kimura, Takashi Nose, Shinji Hirooka, Yuya Chiba, Akinori Ito

Smart Innovation, Systems and Technologies　110　109-115　2019

DOI： 10.1007/978-3-030-03748-2_13 　

ISSN： 2190-3018

eISSN： 2190-3026

Segmental pitch control using speech input based on differential contexts and features for customizable neural speech synthesis Peer-reviewed

Shinya Hanabusa, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　110　124-131　2019

DOI： 10.1007/978-3-030-03748-2_15 　

ISSN： 2190-3018

eISSN： 2190-3026

Melody completion based on convolutional neural networks and generative adversarial learning Peer-reviewed

Kosuke Nakamura, Takashi Nose, Yuya Chiba, Akinori Ito

Smart Innovation, Systems and Technologies　110　116-123　2019

DOI： 10.1007/978-3-030-03748-2_14 　

ISSN： 2190-3018

eISSN： 2190-3026

Two-stage sequence-to-sequence neural voice conversion with low-to-high definition spectrogram mapping Peer-reviewed

Sou Miyamoto, Takashi Nose, Kazuyuki Hiroshiba, Yuri Odagiri, Akinori Ito

Smart Innovation, Systems and Technologies　110　132-139　2019

DOI： 10.1007/978-3-030-03748-2_16 　

ISSN： 2190-3018

eISSN： 2190-3026

DNN-based talking movie generation with face direction consideration Peer-reviewed

Toru Ishikawa, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　110　157-164　2019

DOI： 10.1007/978-3-030-03748-2_19 　

ISSN： 2190-3018

eISSN： 2190-3026

A study on a spoken dialogue system with cooperative emotional speech synthesis using acoustic and linguistic information Peer-reviewed

Mai Yamanaka, Yuya Chiba, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　110　101-108　2019

DOI： 10.1007/978-3-030-03748-2_12 　

ISSN： 2190-3018

eISSN： 2190-3026

Leveraging a small corpus by different frame shifts for training of a speech recognizer Peer-reviewed

Akinori Ito

Smart Innovation, Systems and Technologies　110　82-89　2019

DOI： 10.1007/978-3-030-03748-2_10 　

ISSN： 2190-3018

eISSN： 2190-3026

Muting machine speech using audio watermarking Peer-reviewed

Akinori Ito

Smart Innovation, Systems and Technologies　110　74-81　2019

DOI： 10.1007/978-3-030-03748-2_9 　

ISSN： 2190-3018

eISSN： 2190-3026

Improvement of accent sandhi rules based on Japanese accent dictionaries Peer-reviewed

Hiroto Aoyama, Takashi Nose, Yuya Chiba, Akinori Ito

Smart Innovation, Systems and Technologies　110　140-148　2019

DOI： 10.1007/978-3-030-03748-2_17 　

ISSN： 2190-3018

eISSN： 2190-3026

Multiple player detection and tracking method using a laser range finder for a robot that plays with human Peer-reviewed

Yuko Nakamori, Yutaka Hiroi, Akinori Ito

ROBOMECH Journal　5　(1)　25　2018/12/01

DOI： 10.1186/s40648-018-0122-x 　

eISSN： 2197-4225

A study on ship type identification by use of deep neural network

西村 竜一, 天間 克宏, 服部 聖彦, 金子 健司, 伊藤 彰則, 藤井 豊展, 木島 明博

電子情報通信学会技術研究報告 = IEICE technical report : 信学技報　118　(234)　1-6　2018/10

ISSN： 0913-5685

An Analysis of the Effect of Emotional Speech Synthesis on Non-Task-Oriented Dialogue System. Peer-reviewed

Yuya Chiba, Takashi Nose, Taketo Kase, Mai Yamanaka, Akinori Ito

Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue, Melbourne, Australia, July 12-14, 2018　371-375　2018/07

Improving User Impression in Spoken Dialog System with Gradual Speech Form Control. Peer-reviewed

Yukiko Kageyama, Yuya Chiba, Takashi Nose, Akinori Ito

Proceedings of the 19th Annual SIGdial Meeting on Discourse and Dialogue, Melbourne, Australia, July 12-14, 2018　235-240　2018/07

Domain adaptation based on mixture of latent words language models for automatic speech recognition Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

IEICE Transactions on Information and Systems　E101D　(6)　1581-1590　2018/06

DOI： 10.1587/transinf.2017EDP7210 　

ISSN： 0916-8532

eISSN： 1745-1361

Analyses of example sentences collected by conversation for example-based non-task-oriented dialog system Peer-reviewed

Yukiko Kageyama, Yuya Chiba, Takashi Nose, Akinori Ito

IAENG International Journal of Computer Science　45　(2)　285-293　2018/05/28

ISSN： 1819-656X

eISSN： 1819-9224

Spoken term detection of zero-resource language using machine learning Peer-reviewed

Akinori Ito, Masatoshi Koizumi

ACM International Conference Proceeding Series　45-49　2018/02/26

DOI： 10.1145/3193063.3193068 　

Analysis of efficient multimodal features for estimating user's willingness to talk: Comparison of human-machine and human-human dialog Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito

Proceedings - 9th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2017　2018-February　428-431　2018/02/05

DOI： 10.1109/APSIPA.2017.8282069 　

Analysis of efficient multimodal features for estimating user's willingness to talk: Comparison of human-machine and human-human dialog Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito

Proceedings - 9th Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2017　2018-February　428-431　2018/02/05

DOI： 10.1109/APSIPA.2017.8282069 　

Enhancement of person detection and tracking for a robot that plays with human Peer-reviewed

Yuko Nakamori, Yutaka Hiroi, Akinori Ito

SII 2017 - 2017 IEEE/SICE International Symposium on System Integration　2018-January　494-499　2018/02/01

DOI： 10.1109/SII.2017.8279261 　

Enhancement of person detection and tracking for a robot that plays with human Peer-reviewed

Yuko Nakamori, Yutaka Hiroi, Akinori Ito

SII 2017 - 2017 IEEE/SICE International Symposium on System Integration　2018-January　494-499　2018/02/01

DOI： 10.1109/SII.2017.8279261 　

Special section on enriched multimedia — Potential and possibility of multimedia contents for the future

Akinori Ito

IEICE Transactions on Information and Systems　E101D　(1)　1　2018

DOI： 10.1587/transinf.2017MUF0001 　

ISSN： 0916-8532

eISSN： 1745-1361

Dialog-based interactive movie recommendation: Comparison of dialog strategies Peer-reviewed

Hayato Mori, Yuya Chiba, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　82　77-83　2018

DOI： 10.1007/978-3-319-63859-1_10 　

ISSN： 2190-3018

eISSN： 2190-3026

Response selection of interview-based dialog system using user focus and semantic orientation Peer-reviewed

Shunsuke Tada, Yuya Chiba, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　82　84-90　2018

DOI： 10.1007/978-3-319-63859-1_11 　

ISSN： 2190-3018

eISSN： 2190-3026

Detection of singing mistakes from singing voice Peer-reviewed

Isao Miyagawa, Yuya Chiba, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　82　130-136　2018

DOI： 10.1007/978-3-319-63859-1_17 　

ISSN： 2190-3018

eISSN： 2190-3026

Evaluation of nonlinear tempo modification methods based on sinusoidal modeling Peer-reviewed

Kosuke Nakamura, Yuya Chiba, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　82　104-111　2018

DOI： 10.1007/978-3-319-63859-1_14 　

ISSN： 2190-3018

eISSN： 2190-3026

Development and evaluation of julius-compatible interface for Kaldi ASR Peer-reviewed

Yusuke Yamada, Takashi Nose, Yuya Chiba, Akinori Ito, Takahiro Shinozaki

Smart Innovation, Systems and Technologies　82　91-96　2018

DOI： 10.1007/978-3-319-63859-1_12 　

ISSN： 2190-3018

eISSN： 2190-3026

Voice conversion from arbitrary speakers based on deep neural networks with adversarial learning Peer-reviewed

Sou Miyamoto, Takashi Nose, Suzunosuke Ito, Harunori Koike, Yuya Chiba, Akinori Ito, Takahiro Shinozaki

Smart Innovation, Systems and Technologies　82　97-103　2018

DOI： 10.1007/978-3-319-63859-1_13 　

ISSN： 2190-3018

eISSN： 2190-3026

A study on 2D photo-realistic facial animation generation using 3D facial feature points and deep neural networks Peer-reviewed

Kazuki Sato, Takashi Nose, Akira Ito, Yuya Chiba, Akinori Ito, Takahiro Shinozaki

Smart Innovation, Systems and Technologies　82　113-118　2018

DOI： 10.1007/978-3-319-63859-1_15 　

ISSN： 2190-3018

eISSN： 2190-3026

Foreword

Akinori Ito

IEICE Transactions on Information and Systems　E101D　(1)　1　2018/01

DOI： 10.1587/transinf.2017MUF0001 　

ISSN： 0916-8532

eISSN： 1745-1361

Analyzing effect of physical expression on English proficiency for multimodal computer-assisted language learning Peer-reviewed

Haoran Wu, Yuya Chiba, Takashi Nose, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2018-September　1746-1750　2018/01/01

DOI： 10.21437/Interspeech.2018-1425 　

ISSN： 2308-457X

eISSN： 1990-9772

Analysis of preferred speaking rate and pause in spoken Easy Japanese for non-native listeners Peer-reviewed

Hafiyan Prafiyanto, Takashi Nose, Yuya Chiba, Akinori Ito

Acoustical Science and Technology　39　(2)　92-100　2018

DOI： 10.1250/ast.39.92 　

ISSN： 1346-3969

eISSN： 1347-5177

Guest editorial: Introduction to the special issue on the enrichment of sound, speech and music media

Yôiti Suzuki, Akinori Ito, Kazuhiro Kondo

Journal of Information Hiding and Multimedia Signal Processing　8　(6)　1323-1324　2017/11

ISSN： 2073-4212

eISSN： 2073-4239

Enrichment of audio signal using side information Peer-reviewed

Akinori Ito

Journal of Information Hiding and Multimedia Signal Processing　8　(6)　1325-1334　2017/11

ISSN： 2073-4212

eISSN： 2073-4239

Manipulating vocal signal in mixed music sounds using side information based on the fundamental frequency Peer-reviewed

Akinori Ito, Yuto Sasaki

Journal of Information Hiding and Multimedia Signal Processing　8　(6)　1372-1381　2017/11

ISSN： 2073-4212

eISSN： 2073-4239

HMM-Based Photo-Realistic Talking Face Synthesis Using Facial Expression Parameter Mapping with Deep Neural Networks Peer-reviewed

Kazuki Sato, Takashi Nose, Akinori Ito

Journal of Computer and Communications　5　(10)　55-65　2017/08

DOI： 10.4236/jcc.2017.510006 　

日常音識別による活動記録自動生成のためのデータの収集と分析

古谷崇拓, 千葉祐弥, 能勢隆, 伊藤彰則

情報処理学会研究報告　1-6　2017/06/17

Cluster-based approach to discriminate the user’s state whether a user is embarrassed or thinking to an answer to a prompt Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito

Journal on Multimodal User Interfaces　11　(2)　185-196　2017/06/01

DOI： 10.1007/s12193-017-0238-y 　

ISSN： 1783-7677

eISSN： 1783-8738

Construction and analysis of phonetically and prosodically balanced emotional speech database Peer-reviewed

Emika Takeishi, Takashi Nose, Yuya Chiba, Akinori Ito

2016 Conference of the Oriental Chapter of International Committee for Coordination and Standardization of Speech Databases and Assessment Techniques, O-COCOSDA 2016　16-21　2017/05/03

DOI： 10.1109/ICSDA.2016.7918977 　

Recognition of sounds using square cauchy mixture distribution Peer-reviewed

Akinori Ito

2016 IEEE International Conference on Signal and Image Processing, ICSIP 2016　726-730　2017/03/27

DOI： 10.1109/SIPROCESS.2016.7888359 　

A precise evaluation method of prosodic quality of non-native speakers using average voice and prosody substitution Peer-reviewed

Hafiyan Prafianto, Takashi Nose, Akinori Ito

ICALIP 2016 - 2016 International Conference on Audio, Language and Image Processing - Proceedings　208-212　2017/02/07

DOI： 10.1109/ICALIP.2016.7846620 　

A Compression Method for Spherical Microphone Array Recordings using Principal Component Analysis Peer-reviewed

Hironori Sato, Arif Wicaksono, Shuichi Sakamoto, Cesar Salvador, Jorge Trevino, Yôiti Suzuki, Akinori Ito

Proc. 2017 RISP International Workshop on Nonlinear Circuits, Communications and Signal Processing (NCSP'17)　2PM1-3-4　433-436　2017/02

Special section on enriched multimedia -new technology trends in creation, utilization and protection of multimedia information

Akinori Ito

IEICE Transactions on Information and Systems　E100D　(1)　1　2017/01

ISSN： 0916-8532

eISSN： 1745-1361

Demonstration experiment of data hiding into OOXML document for suppression of plagiarism Peer-reviewed

Akinori Ito

Smart Innovation, Systems and Technologies　63　3-10　2017

DOI： 10.1007/978-3-319-50209-0_1 　

ISSN： 2190-3018

eISSN： 2190-3026

Estimation of user’s willingness to talk about the topic: Analysis of interviews between humans Peer-reviewed

Yuya Chiba, Akinori Ito

Lecture Notes in Electrical Engineering　999 LNEE　411-419　2017

DOI： 10.1007/978-981-10-2585-3_34 　

ISSN： 1876-1100

eISSN： 1876-1119

Collection of example sentences for non-task-oriented dialog using a spoken dialog system and comparison with hand-crafted DB Peer-reviewed

Yukiko Kageyama, Yuya Chiba, Takashi Nose, Akinori Ito

Communications in Computer and Information Science　713　458-464　2017

DOI： 10.1007/978-3-319-58750-9_63 　

ISSN： 1865-0929

Synthesis of photo-realistic facial animation from text based on HMM and DNN with animation unit Peer-reviewed

Kazuki Sato, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　64　29-36　2017

DOI： 10.1007/978-3-319-50212-0_4 　

ISSN： 2190-3018

eISSN： 2190-3026

Development of an easy Japanese writing support system with text-to-speech function Peer-reviewed

Takeshi Nagano, Hafiyan Prafianto, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　64　221-228　2017

DOI： 10.1007/978-3-319-50212-0_27 　

ISSN： 2190-3018

eISSN： 2190-3026

A study on tailor-made speech synthesis based on deep neural networks Peer-reviewed

Shuhei Yamada, Takashi Nose, Akinori Ito

Smart Innovation, Systems and Technologies　63　159-166　2017

DOI： 10.1007/978-3-319-50209-0_20 　

ISSN： 2190-3018

eISSN： 2190-3026

Foreword. Invited

Akinori Ito

IEICE Transactions　100-D　(1)　1　2017

DOI： 10.1587/transinf.2016MUF0001 　

A Crowd Avoidance Method Using Circular Avoidance Path for Robust Person Following Peer-reviewed

Kohei Morishita, Yutaka Hiroi, Akinori Ito

Journal of Robotics　2017　1　2017

DOI： 10.1155/2017/3148202 　

ISSN： 1687-9600

eISSN： 1687-9619

Multiple description vector quantizer design based on redundant representation of central code Peer-reviewed

Akinori Ito

European Signal Processing Conference　2016-November　106-109　2016/11/28

DOI： 10.1109/EUSIPCO.2016.7760219 　

ISSN： 2219-5491

Investigation of combining various major language model technologies including data expansion and adaptation Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

IEICE Transactions on Information and Systems　E99D　(10)　2452-2461　2016/10

DOI： 10.1587/transinf.2016SLP0013 　

ISSN： 0916-8532

eISSN： 1745-1361

Tempo Modification of Mixed Music Signal by Nonlinear Time Scaling and Sinusoidal Modeling Peer-reviewed

Tsukasa Nishino, Takashi Nose, Akinori Ito

Proceedings - 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015　146-149　2016/02/19

DOI： 10.1109/IIH-MSP.2015.86 　

Conversion of Speaker's Face Image Using PCA and Animation Unit for Video Chatting Peer-reviewed

Yuki Saito, Takashi Nose, Takahiro Shinozaki, Akinori Ito

Proceedings - 2015 International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2015　433-436　2016/02/19

DOI： 10.1109/IIH-MSP.2015.85 　

Playing with a Robot: Realization of «red Light, Green Light» Using a Laser Range Finder Peer-reviewed

Keisuke Sakai, Yutaka Hiroi, Akinori Ito

Proceedings - 2015 3rd International Conference on Robot, Vision and Signal Processing, RVSP 2015　1-4　2016/02/03

DOI： 10.1109/RVSP.2015.9 　

Estimating the user's state before exchanging utterances using intermediate acoustic features for spoken dialog systems Peer-reviewed

Yuya Chiba, Takashi Nose, Masashi Ito, Akinori Ito

IAENG International Journal of Computer Science　43　(1)　1-9　2016/02/01

ISSN： 1819-656X

eISSN： 1819-9224

DNNを利用したAnimation Unitの変換に基づく顔画像変換の検討 Peer-reviewed

齋藤優貴, 能勢隆, 伊藤彰則

電子情報通信学会論文誌　J199-D　(11)　1112-1115　2016

Multiple Description Vector Quantizer Design Based on Redundant Representation of Central Code Peer-reviewed

Akinori Ito

2016 24TH EUROPEAN SIGNAL PROCESSING CONFERENCE (EUSIPCO)　106-109　2016

DOI： 10.1109/EUSIPCO.2016.7760219 　

ISSN： 2076-1465

Influence of the height of a robot on comfortableness of verbal interaction Peer-reviewed

Yutaka Hiroi, Akinori Ito

IAENG International Journal of Computer Science　43　(4)　447-455　2016

ISSN： 1819-656X

eISSN： 1819-9224

発話状態推定に基づく協調的感情音声合成による音声対話システムの評価 Peer-reviewed

加瀬嵩人, 能勢隆, 千葉祐弥, 伊藤彰則

電子情報通信学会誌A　J199-A　(1)　25-35　2016/01/01

Estimation of User's Willingness to Talk About the Topic: Analysis of Interviews Between Humans. Peer-reviewed

Yuya Chiba, Akinori Ito

Dialogues with Social Robots - Enablements, Analyses, and Evaluation, Seventh International Workshop on Spoken Dialogue Systems, IWSDS 2016, Saariselkä, Finland, January 13-16, 2016　411-419　2016

DOI： 10.1007/978-981-10-2585-3_34 　

Investigation of Pause Insertion Effect in Spoken Easy Japanese for Non-Native Listeners Peer-reviewed

Hafiyan Prafianto, Takeshi Nagano, Takashi Nose, Akinori Ito

Proceedings of 12th Western Pacific Acoustics Conference　507-511　2015/12/08

Automatic Generation of Proper Noun Entries in a Speech Recognizer for Local Information Recognition Peer-reviewed

Kenta Shiga, Takashi Nose, Akinori Ito, Ryo Masumura, Hirokazu Masataki

Proceedings of 12th Western Pacific Acoustics Conference　2015/12/08

Development of a mobile robot moving on a handrail - Control for preceding a person keeping a distance Peer-reviewed

Yuma Fujiwara, Yutaka Hiroi, Yuki Tanaka, Akinori Ito

Proceedings - IEEE International Workshop on Robot and Human Interactive Communication　2015-November　413-418　2015/11/20

DOI： 10.1109/ROMAN.2015.7333579 　

YANSIS: An “Easy Japanese” writing support system Peer-reviewed

Takeshi Nagano, Akinori Ito

Proceedings of 8th International Conference ICT for Language Learning　2015/11/12

A Computer-Assisted English Conversation Training System for Response-Timing-Aware Oral Conversation Exercise Peer-reviewed

Naoto Suzuki, Yutaka Hiroi, Yuya Chiba, Takashi Nose, Akinori Ito

情報処理学会論文誌　56　(11)　2177-2189　2015/11/01

ISSN： 1882-7764

Investigation of Precision of Human Perception of Pointing Gesture and a Method for Precision Improvement Peer-reviewed

廣井 富, 伊藤 彰則

情報処理学会論文誌　56　(8)　1634-1645　2015/08/15

ISSN： 1882-7764

Robot: Have i done something wrong? - Analysis of prosodic features of speech commands under the robot's unintended behavior Peer-reviewed

Noriko Totsuka, Yuya Chiba, Takashi Nose, Akinori Ito

ICALIP 2014 - 2014 International Conference on Audio, Language and Image Processing, Proceedings　887-890　2015/01/13

DOI： 10.1109/ICALIP.2014.7009922 　

Subjective evaluation of packet loss recovery techniques for voice over IP Peer-reviewed

Masahito Okamoto, Takashi Nose, Akinori Ito, Takeshi Nagano

ICALIP 2014 - 2014 International Conference on Audio, Language and Image Processing, Proceedings　711-714　2015/01/13

DOI： 10.1109/ICALIP.2014.7009887 　

A study on the effect of speech rate on perception of spoken easy Japanese using speech synthesis Peer-reviewed

Hafiyan Prafianto, Takashi Nose, Yuya Chiba, Akinori Ito, Kazuyuki Sato

ICALIP 2014 - 2014 International Conference on Audio, Language and Image Processing, Proceedings　476-479　2015/01/13

DOI： 10.1109/ICALIP.2014.7009839 　

Hierarchical Latent Words Language Models for Robust Modeling to Out-Of Domain Tasks. Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing, EMNLP 2015, Lisbon, Portugal, September 17-21, 2015　1896-1901　2015

On appropriateness and estimation of the emotion of synthesized response speech in a spoken dialogue system Peer-reviewed

Taketo Kase, Takashi Nose, Akinori Ito

Communications in Computer and Information Science　528　747-752　2015

DOI： 10.1007/978-3-319-21380-4_126 　

ISSN： 1865-0929

On appropriateness and estimation of the emotion of synthesized response speech in a spoken dialogue system Peer-reviewed

Taketo Kase, Takashi Nose, Akinori Ito

Communications in Computer and Information Science　528　747-752　2015

DOI： 10.1007/978-3-319-21380-4_126 　

ISSN： 1865-0929

Entropy-Based Sentence Selection for Speech Synthesis Using Phonetic and Prosodic Contexts Peer-reviewed

Takashi Nose, Yusuke Arao, Takao Kobayashi, Komei Sugiura, Yoshinori Shiga, Akinori Ito

16TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION (INTERSPEECH 2015), VOLS 1-5　3491-3495　2015

Tempo Modification of Mixed Music Signal by Nonlinear Time Scaling and Sinusoidal Modeling Peer-reviewed

Tsukasa Nishino, Takashi Nose, Akinori Ito

2015 INTERNATIONAL CONFERENCE ON INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING (IIH-MSP)　146-149　2015

DOI： 10.1109/IIH-MSP.2015.86 　

Conversion of Speaker's Face Image Using PCA and Animation Unit for Video Chatting Peer-reviewed

Yuki Saito, Takashi Nose, Takahiro Shinozaki, Akinori Ito

2015 INTERNATIONAL CONFERENCE ON INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING (IIH-MSP)　433-436　2015

DOI： 10.1109/IIH-MSP.2015.85 　

On Appropriateness and Estimation of the Emotion of Synthesized Response Speech in a Spoken Dialogue System Peer-reviewed

Taketo Kase, Takashi Nose, Akinori Ito

HCI INTERNATIONAL 2015 - POSTERS' EXTENDED ABSTRACTS, PT I　528　747-752　2015

DOI： 10.1007/978-3-319-21380-4_126 　

ISSN： 1865-0929

Latent words recurrent neural network language models Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2015-January　2380-2384　2015

ISSN： 2308-457X

eISSN： 1990-9772

Combinations of various language model technologies including data expansion and adaptation in spontaneous speech recognition Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2015-January　463-467　2015

ISSN： 2308-457X

eISSN： 1990-9772

Hierarchical latent words language models for robust modeling to out-of domain tasks Peer-reviewed

Ryo Masumura, Taichi Asami, Takanobu Oba, Hirokazu Masataki, Sumitaka Sakauchi, Akinori Ito

Conference Proceedings - EMNLP 2015: Conference on Empirical Methods in Natural Language Processing　1896-1901　2015

DOI： 10.18653/v1/d15-1217 　

Entropy-based sentence selection for speech synthesis using phonetic and prosodic contexts Peer-reviewed

Takashi Nose, Yusuke Arao, Takao Kobayashi, Komei Sugiura, Yoshinori Shiga, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2015-January　3491-3495　2015

ISSN： 2308-457X

eISSN： 1990-9772

Preface Peer-reviewed

Junzo Watada, Akinori Ito, Jeng Shyang Pan, Han Chieh Chao, Chien Ming Chen

Proceedings - 2014 10th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2014　XXV　2014/12/24

DOI： 10.1109/IIH-MSP.2014.5 　

Analysis of english pronunciation of singing voices sung by Japanese speakers Peer-reviewed

Kazumichi Yoshida, Takashi Nose, Akinori Ito

Proceedings - 2014 10th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2014　554-557　2014/12/24

DOI： 10.1109/IIH-MSP.2014.143 　

Assessing the intended enthusiasm of singing voice using energy variance Peer-reviewed

Akinori Ito

Proceedings - 2014 10th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2014　558-561　2014/12/24

DOI： 10.1109/IIH-MSP.2014.144 　

Teaching a robot where objects are: Specification of object location using human following and human orientation estimation Peer-reviewed

Keisuke Sakai, Yutaka Hiroi, Akinori Ito

World Automation Congress Proceedings　490-495　2014/10/24

DOI： 10.1109/WAC.2014.6936012 　

ISSN： 2154-4824

eISSN： 2154-4832

Analysis of spectral enhancement using global variance in HMM-based speech synthesis Peer-reviewed

Takashi Nose, Akinori Ito

Proceedings of Interspeech　2014/09/18

Accent type and phrase boundary estimation using acoustic and language models for automatic prosodic labeling Peer-reviewed

Tomoki Koriyama, Hiroshi Suzuki, Takashi Nose, Takahiro Shinozaki, Akinori Ito

Proceedings of Interspeech　2014/09/17

User modeling by using bag-of-behaviors for building a dialog system sensitive to the interlocutor's internal state Peer-reviewed

Yuya Chiba, Masashi Ito, Takashi Nose, Akinori Ito

Proceedings of the 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue　2014/07/18

TEMPO MODIFICATION OF MUSIC SIGNAL USING SINUSOIDAL MODEL AND LPC-BASED RESIDUE MODEL Peer-reviewed

Akinori Ito, Yuki Igarashi, Masashi Ito, Takashi Nose

Proceedings of International Congress on Sound and Vibration　2014/07/13

User Modeling by Using Bag-of-Behaviors for Building a Dialog System Sensitive to the Interlocutor’s Internal State Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito, Masashi Ito

Proceedings of 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue　74　2014/06/18

Packet loss concealment of voice-over IP packet using redundant parameter transmission under severe loss conditions Peer-reviewed

Takeshi Nagano, Akinori Ito

Journal of Information Hiding and Multimedia Signal Processing　5　(2)　285-294　2014/04

ISSN： 2073-4212

eISSN： 2073-4239

Modeling User's State During Dialog Turn Using HMM For Multi-modal Spoken Dialog System Peer-reviewed

Yuya Chiba, Masashi Ito, Akinori Ito

Proceedings of The Seventh International Conference on Advances in Computer-Human Interactions　343-346　2014/03/02

低リソースな計算機による音声認識の検討

長野 雄, 伊藤 彰則, 大河 雄一

日本音響学会2014年春季研究発表会講演論文集　67-70　2014/03

ISSN： 1880-7658

Automatic evaluation of singing enthusiasm for karaoke Peer-reviewed

Ryunosuke Daido, Masashi Ito, Shozo Makino, Akinori Ito

Computer Speech and Language　28　(2)　501-517　2014/03

DOI： 10.1016/j.csl.2012.07.007 　

ISSN： 0885-2308

eISSN： 1095-8363

Speech recognition in a home environment using parallel decoding with GMM-based noise modeling Peer-reviewed

Kohei Machida, Takashi Nose, Akinori Ito

2014 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2014　2014/02/12

DOI： 10.1109/APSIPA.2014.7041622 　

Controlling Switching Pause Using an AR Agent for Interactive CALL System Peer-reviewed

Naoto Suzuki, Takashi Nose, Akinori Ito, Yutaka Hiroi

Communications in Computer and Information Science　435 PART II　588-593　2014

DOI： 10.1007/978-3-319-07854-0_102 　

ISSN： 1865-0929

Manipulation of vocal signal in mixed music signal using side information of F0 and backing spectrum Peer-reviewed

Akinori Ito, Yuto Sasaki

International Conference on Signal Processing Proceedings, ICSP　2015-January　(October)　605-609　2014

DOI： 10.1109/ICOSP.2014.7015075 　

ISSN： 2164-5221

Analysis of spectral enhancement using global variance in HMM-based speech synthesis Peer-reviewed

Takashi Nose, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2917-2921　2014

ISSN： 2308-457X

eISSN： 1990-9772

User modeling by using bag-of-behaviors for building a dialog system sensitive to the interlocutor's internal state Peer-reviewed

Yuya Chiba, Takashi Nose, Akinori Ito, Masashi Ito

SIGDIAL 2014 - 15th Annual Meeting of the Special Interest Group on Discourse and Dialogue, Proceedings of the Conference　74-78　2014

DOI： 10.3115/v1/w14-4310 　

Tempo modification of music signal using sinusoidal model and LPC-based residue model Peer-reviewed

Akinori Ito, Yuki Igarashi, Masashi Ito, Takashi Nose

21st International Congress on Sound and Vibration 2014, ICSV 2014　1　928-935　2014

Modeling user's state during dialog turn using HMM for multi-modal spoken dialog system Peer-reviewed

Yuya Chiba, Akinori Ito, Masashi Ito

ACHI 2014 - 7th International Conference on Advances in Computer-Human Interactions　343-346　2014

Foreword to the special issue on the speech communication and its related technologies Peer-reviewed

Akinori Ito

Acoustical Science and Technology　34　(2)　63　2013

DOI： 10.1250/ast.34.63 　

ISSN： 1346-3969

eISSN： 1347-5177

ASAHI: OK for failure a robot for supporting daily life, equipped with a robot avatar Peer-reviewed

Yutaka Hiroi, Akinori Ito

ACM/IEEE International Conference on Human-Robot Interaction　141-142　2013

DOI： 10.1109/HRI.2013.6483541 　

ISSN： 2167-2148

eISSN： 2167-2148

Evaluation of robot design using virtual reality Peer-reviewed

Yutaka Hiroi, Akinori Ito

Transactions of the Virtual Reality Society of Japan　18　(2)　161-170　2013

DOI： 10.18974/tvrsj.18.2_161 　

ISSN： 1344-011X

Estimation of User's State during a Dialog Turn with Sequential Multi-modal Features Peer-reviewed

Yuya Chiba, Masashi Ito, Akinori Ito

Communications in Computer and Information Science　374　(PART II)　572-576　2013

DOI： 10.1007/978-3-642-39476-8_115 　

ISSN： 1865-0929

Multi-modal voice activity detection by embedding image features into speech signal Peer-reviewed

Yohei Abe, Akinori Ito

Proceedings - 2013 9th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2013　271-274　2013

DOI： 10.1109/IIH-MSP.2013.76 　

Acoustic features and auditory impressions of death growl and screaming voice Peer-reviewed

Keizo Kato, Akinori Ito

Proceedings - 2013 9th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2013　460-463　2013

DOI： 10.1109/IIH-MSP.2013.120 　

Speech recognition under noisy environments using multiple microphones based on asynchronous and intermittent measurements Peer-reviewed

Kohei Machida, Akinori Ito

2013 Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA 2013　1-4　2013

DOI： 10.1109/APSIPA.2013.6694362 　

ASAHI: OK for Failure A Robot for Supporting Daily Life, Equipped with a Robot Avatar Peer-reviewed

Yutaka Hiroi, Akinori Ito

PROCEEDINGS OF THE 8TH ACM/IEEE INTERNATIONAL CONFERENCE ON HUMAN-ROBOT INTERACTION (HRI 2013)　141-+　2013

DOI： 10.1109/HRI.2013.6483541 　

ISSN： 2167-2121

A packet loss recovery of G.729 speech using discriminative model and N-gram Peer-reviewed

Takeshi Nagano, Akinori Ito

Proceedings - 2013 9th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2013　267-270　2013

DOI： 10.1109/IIH-MSP.2013.75 　

Evaluation of sinusoidal modeling for polyphonic music signal Peer-reviewed

Yuki Igarashi, Masashi Ito, Akinori Ito

Proceedings - 2013 9th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIH-MSP 2013　464-467　2013

DOI： 10.1109/IIH-MSP.2013.121 　

A Mobile Robot System With Semi-Autonomous Navigation Using Simple And Robust Person Following Behavior Peer-reviewed

Yutaka Hiroi, Shohei Matsunaka, Akinori Ito

Journal of Man, Machine and Technology　1　(1)　44-62　2012/12

DOI： 10.4156/jmmt.vol1.issue1.4 　

Packet Loss Concealment of VoIP Under Severe Loss Conditions Peer-reviewed

Akinori Ito, Takeshi Nagano

International Symposium on Wireless Personal Multimedia Communication　2012/09/24

Advanced Information Hiding for G.711 Telephone Speech Peer-reviewed

Akinori Ito, Yoiti Suzuki

Multimedia Information Hiding Technologies and Methodologies for Controlling Data　2012/09/23

The Available Telecommunications Services at Serious Disaster Invited

Sadao Shoji, Takafumi Aoki, Akinori Ito, Shinichiro Omachi, Koichi Ito

IEICE Technical Report　112　(209)　69-70　2012/09

Model shrinkage for discriminative language models Peer-reviewed

Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito

IEICE Transactions on Information and Systems　E95-D　(5)　1465-1474　2012/05

DOI： 10.1587/transinf.E95.D.1465 　

ISSN： 0916-8532

eISSN： 1745-1361

On short essays carried in the acoustical science and technology

Ito, A.

Acoustical Science and Technology　33　(1)　72-72　2012

DOI： 10.1250/ast.33.72 　

混合音響信号の正弦波モデルによる分析合成

五十嵐 佑樹, 伊藤 仁, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2012　187-187　2012

DOI： 10.11528/tsjc.2012.0_187 　

口唇画像情報の音声信号へのデータハイディング

阿部 洋平, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2012　188-188　2012

DOI： 10.11528/tsjc.2012.0_188 　

断片的な環境測定に基づく雑音除去の検討

町田 晃平, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2012　184-184　2012

DOI： 10.11528/tsjc.2012.0_184 　

人間共存型ロボットのための呼びかけ制御の検討

戸塚 典子, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2012　149-149　2012

DOI： 10.11528/tsjc.2012.0_149 　

Effect of Linguistic Contents on Human Estimation of Internal State of Dialog System Users Peer-reviewed

Yuya Chiba, Masashi Ito, Akinori Ito

Proceedings of The Interdisciplinary Workshop on Feedback Behavior in Dialog　11-14　2012

Round-robin duel discriminative language models Peer-reviewed

Takanobul Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito

IEEE Transactions on Audio, Speech and Language Processing　20　(4)　1244-1255　2012

DOI： 10.1109/TASL.2011.2174225 　

ISSN： 1558-7916

eISSN： 1558-7924

Robust Transmission of Audio Signals over the Internet: An Advanced Packet Loss Concealment for MP3-Based Audio Signals Peer-reviewed

Akinori Ito, Kiyoshi Konno, Masashi Ito, Shozo Makino

Interdisciplinary Information Sciences　18　(2)　99-105　2012

DOI： 10.4036/iis.2012.99 　

ISSN： 1340-9050

Mobile Robot System With Semi-Autonomous Navigation Using Simple And Robust Person Following Behavior Peer-reviewed

Yutaka Hiroi, Shohei Matsunaka, Akinori Ito

Journal of Man, Machine and Technology　1　(1)　44-62　2012

Spoken document retrieval by discriminative modeling in a high dimensional feature space Peer-reviewed

Takanobu Oba, Takaaki Hori, Atsushi Nakamura, Akinori Ito

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　5153-5156　2012

DOI： 10.1109/ICASSP.2012.6289080 　

ISSN： 1520-6149

Estimating a user's internal state before the first input utterance Peer-reviewed

Yuya Chiba, Akinori Ito

Advances in Human-Computer Interaction　2012　2012

DOI： 10.1155/2012/865362 　

ISSN： 1687-5893

eISSN： 1687-5907

Effect of robot height on comfortableness of spoken dialog Peer-reviewed

Yutaka Hiroi, Takayuki Nakayama, Hisanori Kuroda, Shinji Miyake, Akinori Ito

International Conference on Human System Interaction, HSI　29-34　2012

DOI： 10.1109/HSI.2012.14 　

ISSN： 2158-2246

eISSN： 2158-2254

Estimation of user's internal state before the user's first utterance using acoustic features and face orientation Peer-reviewed

Yuya Chiba, Masashi Ito, Akinori Ito

International Conference on Human System Interaction, HSI　23-28　2012

DOI： 10.1109/HSI.2012.13 　

ISSN： 2158-2246

eISSN： 2158-2254

Recognition of utterances with grammatical mistakes based on optimization of language model towards interactive CALL systems Peer-reviewed

Takuya Anzai, Akinori Ito

2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012　2012

A Japanese lyrics writing support system for amateur songwriters Peer-reviewed

Chihiro Abe, Akinori Ito

2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012　2012

A spoken dialogue system using virtual conversational agent with augmented reality Peer-reviewed

Shinji Miyake, Akinori Ito

2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012　2012

A packet loss recovery of G.729 speech under severe packet loss condition Peer-reviewed

Takeshi Nagano, Akinori Ito

2012 Conference Handbook - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference, APSIPA ASC 2012　2012

Automatic assessment of easiness of Japanese for writing aid of "Easy Japanese" Peer-reviewed

Meng Zhang, Akinori Ito, Kazuyuki Sato

ICALIP 2012 - 2012 International Conference on Audio, Language and Image Processing, Proceedings　303-307　2012

DOI： 10.1109/ICALIP.2012.6376630 　

Packet loss concealment of VoIP under severe loss conditions Peer-reviewed

Akinori Ito, Takeshi Nagano

International Symposium on Wireless Personal Multimedia Communications, WPMC　489-490　2012

ISSN： 1347-6890

Influence of the size factor of a mobile robot moving toward a human on subjective acceptable distance Peer-reviewed

Hiroi, Yutaka, Ito, Akinori

Mobile Robots-Current Trends　177-190　2011/10/26

A System for Evaluating Singing Enthusiasm for Karaoke Peer-reviewed

Ryunosuke Daido, Seong-Jun Hahm, Masashi Ito, Shozo Makino, Akinori Ito

Proceedings of International Society of Music Information Retrieval Conference　31-36　2011/10/24

Find out what a user doing before the first utterance: discrimination of user's internal state using non-verbal information Peer-reviewed

Yuya Chiba, Akinori Ito

Proceedings of Asian-Pacific Signal and Information Processing Association Annual Summit and Conference　2011/10/19

統計的言語モデルを用いた作詞補助システム

阿部 ちひろ, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2011　141-141　2011

DOI： 10.11528/tsjc.2011.0_141 　

雑音環境下での頑健な単語検出

藤田 一暁, 咸 聖俊, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2011　184-184　2011

DOI： 10.11528/tsjc.2011.0_184 　

音声合成用コーパス作成方式に関する研究

加藤 圭造, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2011　187-187　2011

DOI： 10.11528/tsjc.2011.0_187 　

拡張現実感を用いたバーチャル対話エージェントに関する研究

三宅 真司, 伊藤 彰則

電気関係学会東北支部連合大会講演論文集　2011　77-77　2011

DOI： 10.11528/tsjc.2011.0_77 　

Utterance classification for combination of multiple simple dialog systems Peer-reviewed

Seong Jun Hahm, Akinori Ito, Kentaro Awano, Masashi Ito, Shozo Makino

Proceedings - 9th IEEE International Symposium on Parallel and Distributed Processing with Applications Workshops, ISPAW 2011 - ICASE 2011, SGH 2011, GSDP 2011　171-176　2011

DOI： 10.1109/ISPAW.2011.74 　

Bit rate reduction of the MELP coder using Lempel-Ziv segment quantization Peer-reviewed

Minoru Kohata, Motoyuki Suzuki, Akinori Ito, Shozo Makino

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　5240-5243　2011

DOI： 10.1109/ICASSP.2011.5947539 　

ISSN： 1520-6149

Round-robin duel discriminative language models in one-pass decoding with on-the-fly error correction Peer-reviewed

Takanobu Oba, Takaaki Hori, Akinori Ito, Atsushi Nakamura

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　5588-5591　2011

DOI： 10.1109/ICASSP.2011.5947626 　

ISSN： 1520-6149

Evaluation of Abnormal Sound Detection using Multi-stage GMM in Various Environments Peer-reviewed

Akinori Ito, Akihito Aiba, Masashi Ito, Shozo Makino

12TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2011 (INTERSPEECH 2011), VOLS 1-5　308-+　2011

Training a language model using webdata for large vocabulary Japanese spontaneous speech recognition Peer-reviewed

Ryo Masumura, Seongjun Hahm, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　1465-1468　2011

eISSN： 1990-9772

Language model expansion using webdata for spoken document retrieval Peer-reviewed

Ryo Masumura, Seongjun Hahm, Akinori Ito

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　2133-2136　2011

eISSN： 1990-9772

Manipulating vocal signal in mixed music sounds using small amount of side information Peer-reviewed

Yuto Sasaki, Seong Jun Hahm, Akinori Ito

Proceedings - 7th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIHMSP 2011　298-301　2011

DOI： 10.1109/IIHMSP.2011.21 　

Evaluation of abnormal sound detection using multi-stage GMM in various environments Peer-reviewed

Akinori Ito, Akihito Aiba, Masashi Ito, Shozo Makino

Proceedings of the Annual Conference of the International Speech Communication Association, INTERSPEECH　301-304　2011

eISSN： 1990-9772

Toward human-robot interaction design through human-human interaction experiment Peer-reviewed

Yutaka Hiroi, Akinori Ito

Lecture Notes in Electrical Engineering　133 LNEE　(VOL. 2)　127-130　2011

DOI： 10.1007/978-3-642-25992-0_18 　

ISSN： 1876-1100

eISSN： 1876-1119

Training a language model using webdata for large vocabulary Japanese spontaneous speech recognition Peer-reviewed

Ryo Masumura, Seongjun Hahm, Akinori Ito

12TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2011 (INTERSPEECH 2011), VOLS 1-5　1476-1479　2011

A system for evaluating singing enthusiasm for karaoke Peer-reviewed

Ryunosuke Daido, Seong Jun Hahm, Masashi Ito, Shozo Makino, Akinori Ito

Proceedings of the 12th International Society for Music Information Retrieval Conference, ISMIR 2011　31-36　2011

Language model expansion using webdata for spoken document retrieval Peer-reviewed

Ryo Masumura, Seongjun Hahm, Akinori Ito

12TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2011 (INTERSPEECH 2011), VOLS 1-5　2144-2147　2011

Find out what a user is doing before the first utterance: Discrimination of user's internal state using non-verbal information Peer-reviewed

Yuya Chiba, Seongjun Hahm, Akinori Ito

APSIPA ASC 2011 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference 2011　906-909　2011

Multiple description coding using time domain division for MP3 coded sound signal Peer-reviewed

Ho seok Wey, Akinori Ito, Takuma Okamoto, Yoiti Suzuki

Journal of Information Hiding and Multimedia Signal Processing　1　(4)　269-285　2010/10

ISSN： 2073-4212

eISSN： 2073-4239

Speech recognition under multiple noise environment based on multi-mixture HMM and weight optimization by the aspect model Peer-reviewed

Seong Jun Hahm, Yuichi Ohkawa, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino

IEICE Transactions on Information and Systems　E93-D　(9)　2407-2416　2010/09

DOI： 10.1587/transinf.E93.D.2407 　

ISSN： 0916-8532

eISSN： 1745-1361

Evaluation of head size of an interactive robot using augmented reality Peer-reviewed

Yutaka Hiroi, Shuhei Hisano, Akinori Ito

Proceedings of International Symposium on Robotics and Automation　2010/09

An HMM‐based segment quantizer and its application to low bit rate speech coding Peer-reviewed

Motoyuki Suzuki, Masashi Adachi, Minoru Kohata, Akinori Ito, Shozo Makino, Fuji Ren

Proceedings of International Congress on Acoustics　2010/08

Multiple description coding for MP3 coded sound signal Peer-reviewed

Ho-seok Wey, Akinori Ito, Takuma Okamoto, Yoiti Suzuki

Proceedings of International Congress on Acoustics　2010/08

Improved reference speaker weighting using aspect model Peer-reviewed

Seong Jun Hahm, Yuichi Ohkawa, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino

IEICE Transactions on Information and Systems　E93-D　(7)　1927-1935　2010/07

DOI： 10.1587/transinf.E93.D.1927 　

ISSN： 0916-8532

eISSN： 1745-1361

Information hiding for G.711 speech based on substitution of least significant bits and estimation of tolerable distortion Peer-reviewed

Akinori Ito, Shun'Ichiro Abe, Yôiti Suzuki

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences　E93-A　(7)　1279-1286　2010/07

DOI： 10.1587/transfun.E93.A.1279 　

ISSN： 0916-8508

eISSN： 1745-1337

Bit Rate Reduction of Vocoder-Type Speech Coder by Reducing Temporal Redundancy Peer-reviewed

KOHATA Minoru, SUZUKI Motoyuki, ITO Akinori, MAKINO Syouzou

The IEICE transactions on information and systems　93　(5)　588-597　2010/05

ISSN： 1880-4535

Packet loss concealment for mdct-based audio codec using correlation-based side information Peer-reviewed

Akinori Ito, Toshiyuki Sakai, Kiyoshi Konno, Shozo Makino, Motoyuki Suzuki

International Journal of Innovative Computing, Information and Control　6　(3)　1347-1361　2010/03

ISSN： 1349-4198

Intonation evaluation of english utterances using synthesized speech for computer-assisted language learning Peer-reviewed

Akinori Ito, Tomoaki Konno, Masashi Ito, Shozo Makino, Motoyuki Suzuki

International Journal of Innovative Computing, Information and Control　6　(3)　1501-1514　2010/03

ISSN： 1349-4198

A Constant-bitrate Information Hiding into G.711 Speech Using ADPCM Output and Sample Magnitude Peer-reviewed

Akinori Ito, Hironori Handa, Yoiti Suzuki

IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences　J93-A　(2)　82-90　2010/02

ISSN： 0913-5707

Source-filter separation for nonstationary voiced speech based on sinusoidal representation Peer-reviewed

Masashi Ito, Keiji Ohara, Akinori Ito, Masafumi Yano

Acoustical Science and Technology　31　(2)　181-184　2010

DOI： 10.1250/ast.31.181 　

ISSN： 1346-3969

eISSN： 1347-5177

Designing side information of multiple description coding Peer-reviewed

Akinori Ito, Shozo Makino

Journal of Information Hiding and Multimedia Signal Processing　1　(1)　10-19　2010/01

ISSN： 2073-4212

eISSN： 2073-4239

Aspect-model-based reference speaker weighting Peer-reviewed

Seongjun Hahm, Yuichi Ohkawa, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino

ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings　4302-4305　2010

DOI： 10.1109/ICASSP.2010.5495672 　

ISSN： 1520-6149

Document expansion using relevant web documents for spoken document retrieval Peer-reviewed

Ryo Masumura, Akinori Ito, Yu Uno, Masashi Ito, Shozo Makino

Proceedings of the 6th International Conference on Natural Language Processing and Knowledge Engineering, NLP-KE 2010　612-619　2010

DOI： 10.1109/NLPKE.2010.5587854 　

An Effect of Formant Amplitude in Vowel Perception Peer-reviewed

Masashi Ito, Keiji Ohara, Akinori Ito, Masafumi Yano

11TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2010 (INTERSPEECH 2010), VOLS 3 AND 4　2494-+　2010

Improvement of packet loss concealment for MP3 audio based on switching of concealment method and estimation of MDCT signs Peer-reviewed

Akinori Ito, Kiyoshi Konno, Masashi Itot, Shozo Makino

Proceedings - 2010 6th International Conference on Intelligent Information Hiding and Multimedia Signal Processing, IIHMSP 2010　518-521　2010

DOI： 10.1109/IIHMSP.2010.132 　

A query-by-humming music information retrieval from audio signals based on multiple F0 candidates Peer-reviewed

Akinori Ito, Yu Kosugi, Shozo Makino, Masashi Ito

ICALIP 2010 - 2010 International Conference on Audio, Language and Image Processing, Proceedings　1-5　2010

DOI： 10.1109/ICALIP.2010.5685029 　

A spoken dialog system based on automatically-generated example database Peer-reviewed

Akinori Ito, Takahiro Morimoto, Shozo Makino, Masashi Ito

ICALIP 2010 - 2010 International Conference on Audio, Language and Image Processing, Proceedings　732-736　2010

DOI： 10.1109/ICALIP.2010.5685069 　

Grammatical error detection from English utterances spoken by Japanese Peer-reviewed

Takuya Anzai, Seongjun Hahm, Akinori Ito, Masashi Ito, Shozo Makino

APSIPA ASC 2010 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference　482-485　2010

Speech recognition based on tree-structured clustering and aspect model in multiple noise environments Peer-reviewed

Seong Jun Hahm, Yuichi Ohkawa, Motoyuki Suzuki, Masashi Ito, Shozo Makino, Akinori Ito

APSIPA ASC 2010 - Asia-Pacific Signal and Information Processing Association Annual Summit and Conference　454-457　2010

Evaluation of head size of an interactive robot using an augmented reality Peer-reviewed

Yutaka Hiroi, Shuhei Hisano, Akinori Ito

2010 World Automation Congress, WAC 2010　2010

An effect of formant amplitude in vowel perception Peer-reviewed

Masashi Ito, Keiji Ohara, Akinori Ito, Masafumi Yano

Proceedings of the 11th Annual Conference of the International Speech Communication Association, INTERSPEECH 2010　2490-2493　2010

Multiple description coding for an MP3 coded sound signal Peer-reviewed

Ho Seok Wey, Akinori Ito, Takuma Okamoto, Yôiti Suzuki

20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society　4　3081-3088　2010

An HMM-based segment quantizer and its application to low bit rate speech coding Peer-reviewed

Motoyuki Suzuki, Masashi Adachi, Minoru Kohata, Akinori Ito, Shozo Makino, Fuji Ren

20th International Congress on Acoustics 2010, ICA 2010 - Incorporating Proceedings of the 2010 Annual Conference of the Australian Acoustical Society　5　3877-3880　2010

A speaker adaptation method for non-native speech using learners' native utterances for computer-assisted language learning systems Peer-reviewed

Yuichi Ohkawa, Motoyuki Suzuki, Hirokazu Ogasawara, Akinori Ito, Shozo Makino

SPEECH COMMUNICATION　51　(10)　875-882　2009/10

DOI： 10.1016/j.specom.2009.05.005 　

ISSN： 0167-6393

eISSN： 1872-7182

Multiple Description Coding of Flash Video based on Adaptive Allocation of DCT Coefficients Peer-reviewed

Akinori Ito, Takuya Kuraishi, Masashi Ito, Shozo Makino

Proc. 1st Asian-Pacific Signal&Info. Proc. Assoc. Annual Summit & Conf. (APSIPA ASC 2009)　2009/10

混合重み再学習を用いた単語モデルによる連続音声認識

大越真裕美, 鈴木基之, 大河雄一, 伊藤彰則, 牧野正三

日本音響学会 2009年春季研究発表会講演論文集，1-P-23　2009/03

Query-by-Humming based Music Information Retrieval System Based on Novel Tonal Feature and Statistical Modeling Peer-reviewed

Motoyuki Suzuki, Takuto Ichikawa, Akinori Ito, Shozo Makino

IPSJ Journal　50　(3)　1100-1110　2009/03

Novel Tonal Feature and Statistical User Modeling for Query-by-Humming

Suzuki Motoyuki, Ichikawa Takuto, Ito Akinori, Makino Shozo

Information and Media Technologies　4　(2)　498-508　2009

DOI： 10.11185/imt.4.498 　

Dictation of Japanese Speech Based on Kana and Kanji Character String Peer-reviewed

Ito, Akinori, Kinno, Hiroaki, Katoh, Masaharu, Kosaka, Tetsuo, Kohda, Masaki

International Journal of Computer Processing Of Languages　22　(01)　75-98　2009

Fast and Robust Training of a Probabilistic Latent Semantic Analysis Model by the Parallel Learning and Data Segmentation Peer-reviewed

Kato, Masaharu, Kosaka, Tetsuo, Ito, Akinori, Makino, Shozo

Journal of Communication and Computer　6　(5)　28-35　2009

Evaluation of Robot-Avatar-based User-Familiarity Improvement for Elderly People Peer-reviewed

Yutaka Hiroi, Akinori Ito

Kansei Engineering International　8　(1)　59-66　2009/01

DOI： 10.5057/ER080218-1 　

Effect of the size factor on psychological threat of a mobile robot moving toward human Peer-reviewed

Hiroi, Yutaka, Ito, Akinori

KANSEI Engineering International　8　(1)　51-58　2009/01

DOI： 10.5057/ER080206-1 　

Bit rate reduction of mixed excitation linear prediction coder by Lempel-Ziv segment quantization Peer-reviewed

Minora Kohata, Motoyuki Suzuki, Akinori Ito, Shozo Makino

Acoustical Science and Technology　30　(2)　136-138　2009

DOI： 10.1250/ast.30.136 　

ISSN： 1346-3969 1347-5177

INFORMATION HIDING FOR G.711 SPEECH BASED ON SUBSTITUTION OF LEAST SIGNIFICANT BITS AND ESTIMATION OF TOLERABLE DISTORTION Peer-reviewed

Akinori Ito, Shun'ichiro Abe, Yoiti Suzuki

2009 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1- 8, PROCEEDINGS　1409-+　2009

DOI： 10.1109/ICASSP.2009.4959857 　

ISSN： 1520-6149

Detection of abnormal sound using multi-stage GMM for surveillance microphone Peer-reviewed

Akinori Ito, Akihito Aiba, Masashi Ito, Shozo Makino

5th International Conference on Information Assurance and Security, IAS 2009　1　733-736　2009

DOI： 10.1109/IAS.2009.160 　

A band extension of G.711 speech with low computational cost for data hiding application Peer-reviewed

Akinori Ito, Hironori Handa, Yôiti Suzuki

IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing　491-494　2009

DOI： 10.1109/IIH-MSP.2009.69 　

Data hiding is a better way for transmitting side information for MP3 bitstream Peer-reviewed

Akinori Ito, Shozo Makino

IIH-MSP 2009 - 2009 5th International Conference on Intelligent Information Hiding and Multimedia Signal Processing　495-498　2009

DOI： 10.1109/IIH-MSP.2009.55 　

Relative importance of formant and whole-spectral cues for vowel perception Peer-reviewed

Masashi Ito, Keiji Ohara, Akinori Ito, Masafumi Yano

INTERSPEECH 2009: 10TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2009, VOLS 1-5　132-+　2009

Evaluation of English Intonation based on Combination of Multiple Evaluation Scores Peer-reviewed

Akinori Ito, Tomoaki Konno, Masashi Ito, Shozo Makino

INTERSPEECH 2009: 10TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2009, VOLS 1-5　596-599　2009

Detailed description of triphone model using SSS-free algorithm Peer-reviewed

Motoyuki Suzuki, Daisuke Honma, Akinori Ito, Shozo Makino

INTERSPEECH 2009: 10TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2009, VOLS 1-5　1403-+　2009

Relevant document retrieval using a spoken document Peer-reviewed

Akinori Ito, Yu Uno, Ryo Masumura, Masashi Ito, Shozo Makino

2009 9th International Symposium on Communications and Information Technology, ISCIT 2009　1483-1488　2009

DOI： 10.1109/ISCIT.2009.5341051 　

Multiple description coding for wideband audio signal transmission Peer-reviewed

Hoseok Wey, Akinori Ito, Yôiti Suzuki

Proceedings of 2009 IEEE International Conference on Network Infrastructure and Digital Content, IEEE IC-NIDC2009　769-773　2009

DOI： 10.1109/ICNIDC.2009.5360882 　

Automatic query generation and query relevance measurement for unsupervised language model adaptation of speech recognition Peer-reviewed

Akinori Ito, Yasutomo Kajiura, Motoyuki Suzuki, Shozo Makino

Eurasip Journal on Audio, Speech, and Music Processing　2009　2009

DOI： 10.1155/2009/140575 　

ISSN： 1687-4714

eISSN： 1687-4722

音素トライフォンの混合重み再学習に基づく孤立単語認識

大越真裕美, 鈴木基之, 大河雄一, 伊藤彰則, 牧野正三

日本音響学会 2008年秋季研究発表会講演論文集　123-124　2008/09

Are Bigger Robots Scary? -The Relationship between Robot Size and Psychological Threat- Peer-reviewed

Yutaka Hiroi, Akinori Ito

Proceedings of International Conference on Advanced Intelligent Mechatronics　540-545　2008/07

Improvement of user familiarity using robot avatar Peer-reviewed

Yutaka Hiroi, Akinori Ito, Eiji Nakano

Journal of Japan Society of Kansei Engineering　7　(4)　797-805　2008/04

DOI： 10.5057/jjske2001.7.797 　

ISSN： 1346-1958

Multiple description coding of an audio stream by optimum recovery transforms Peer-reviewed

Akinori Ito, Shozo Makino

Journal of Digital Information Management　6　(2)　189-195　2008/04

Selection of optimum vocabulary and dialog strategy for noise-robust spoken dialog systems Peer-reviewed

Akinori Ito, Takanobu Oba, Takashi Konashi, Motoyuki Suzuki, Shozo Makino

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E91D　(3)　538-548　2008/03

DOI： 10.1093/ietisy/e9l-d.3.538 　

ISSN： 0916-8532

Improvement of Automatic English Prosody Evaluation Based on Word Clustering Using a Decision Tree Peer-reviewed

Akinori Ito, Tatsuki Konno, Motoyuki Suzuki, Shozo Makino

The IEICE Transaction on Information and Systems　J91-D　(2)　358-366　2008/02

ISSN： 1880-4535

Suppression of Internal Noise for Speech Recognition of Small Robots Peer-reviewed

Akinori Ito, Takashi Kanayama, Motoyuki Suzuki, Shozo Makino

Journal of Human Interface Society　10　(1)　1-10　2008/02

Adaptive Multiple Description Coding of Flash Video based on Bitstream Pattern Reconstruction

KURAISHI Takuya, ITO Masashi, ITO Akinori, MAKINO Shozo

ITE Technical Report　32　35-40　2008

DOI： 10.11485/itetr.32.56.0_35 　

Automatic evaluation system of English prosody based on word importance factor Peer-reviewed

Suzuki, Motoyuki, Konno, Tatsuki, Ito, Akinori, Makino, Shozo

Journal of Systemics, Cybernetics and Informatics　6　(4)　83-90　2008

An unsupervised language model adaptation based on keyword clustering and query availability estimation Peer-reviewed

Akinori Ito, Yasutomo Kajiura, Shozo Makino, Motoyuki Suzuki

2008 INTERNATIONAL CONFERENCE ON AUDIO, LANGUAGE AND IMAGE PROCESSING, VOLS 1 AND 2, PROCEEDINGS　1412-1418　2008

DOI： 10.1109/ICALIP.2008.4590103 　

Packet loss concealment for MDCT-based audio codec using correlation-based side information Peer-reviewed

Akinori Ito, Kiyoshi Konno, Shozo Makino, Motoyuki Suzuki

2008 FOURTH INTERNATIONAL CONFERENCE ON INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING, PROCEEDINGS　612-+　2008

DOI： 10.1109/IIH-MSP.2008.103 　

Discrimination of Task-Related Words for Vocabulary Design of Spoken Dialog Systems Peer-reviewed

Akinori Ito, Toyomi Meguro, Shozo Makino, Motoyuki Suzuki

INTERSPEECH 2008: 9TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2008, VOLS 1-5　207-+　2008

A Fast Speaker Adaptation Method using Aspect Model Peer-reviewed

Seongjun Hahm, Akinori Ito, Shozo Makino, Motoyuki Suzuki

INTERSPEECH 2008: 9TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2008, VOLS 1-5　1221-1224　2008

Recognition of English Utterances with Grammatical and Lexical Mistakes for Dialogue-based CALL System Peer-reviewed

Akinori Ito, Ryohei Tsutsui, Shozo Makino, Motoyuki Suzuki

INTERSPEECH 2008: 9TH ANNUAL CONFERENCE OF THE INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION 2008, VOLS 1-5　2819-2822　2008

Intonation Evaluation of English Utterances using Synthesized Speech for Computer-Assisted Language Learning Peer-reviewed

Tomoaki Konno, Masashi Ito, Motoyuki Suzuki, Akinori Ito, Shozo Makino

IEEE NLP-KE 2008: PROCEEDINGS OF INTERNATIONAL CONFERENCE ON NATURAL LANGUAGE PROCESSING AND KNOWLEDGE ENGINEERING　202-+　2008

DOI： 10.1109/NLPKE.2008.4906807 　

Application of Multiple Description Scalar Quantization to LogPCM and ADPCM Peer-reviewed

Ho-seok Wey, Ryouichi Nishimura, Akinori Ito, Maori Kobayashi, Yoiti Suzuki

The IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences　J90-A　(12)　918-921　2007/12

ISSN： 0913-5707

複数パスを有する音素モデル連結のためのパス間接続確率の平滑化法の検討

本間大輔, 大河雄一, 鈴木基之, 伊藤彰則, 牧野正三

日本音響学会2007年秋季研究発表会講演論文集　135-136　2007/09

Reduction Method of Side Information for Packet Loss Concealment Based on Spectrum Striping Coding Peer-reviewed

Motoyuki Suzuki, Toshiyuki Sakai, Akinori Ito, Shozo Makino

Proceedings of 19th International Congress of Acoustics　2007/09

Detection and Direction Estimation of Calling Voice Peer-reviewed

Akinori Ito, Kota Kitadate, Motoyuki Suzuki, Shozo Makino

Proceedings of 19th International Congress of Acoustics　2007/09

Packet Loss Concealment of an Audio Stream by Time Domain and Frequency Domain Multiple Description Peer-reviewed

Akinori Ito, Toshiyuki Sakai, Motoyuki Suzuki, Shozo Makino

Proceedings of Japan-China Joint Conference on Acoustics　2007/06

Application of Multiple Description (MD) scalar quantization to speech codec Peer-reviewed

Ho seok Wey, Ryouichi Nishimura, Akinori Ito, Maori Kobayashi, Yoiti Suzuki

Proceedings of Japan-China Joint Conference on Acoustics　2007/06

A new segment quantization using Lempel-Ziv algorithm and its application to quantization of line spectral frequencies Peer-reviewed

Minoru Kohata, Motoyuki Suzuki, Akinori Ito, Shozo Makino

IEEE TRANSACTIONS ON COMMUNICATIONS　55　(4)　661-664　2007/04

DOI： 10.1109/TCOMM.2007.894090 　

ISSN： 0090-6778

HMnetのパス接続確率を利用した音素認識の検討

本間大輔, 大河雄一, 鈴木基之, 伊藤彰則, 牧野正三

日本音響学会2007年春季研究発表会講演論文集　53-54　2007/03

Music information retrieval from a singing voice using lyrics and melody information Peer-reviewed

Motoyuki Suzuki, Toru Hosoya, Akinori Ito

Eurasip Journal on Advances in Signal Processing　2007　2007

DOI： 10.1155/2007/38727 　

ISSN： 1110-8657 1687-0433

Automatic evaluation system of English prosody for Japanese learner's speech Peer-reviewed

Motoyuki Suzuki, Tatsuki Konno, Akinori Ito, Shozo Makino

IMSCI '07: INTERNATIONAL MULTI-CONFERENCE ON SOCIETY, CYBERNETICS AND INFORMATICS, VOL 1, PROCEEDINGS　48-53　2007

Increasing correlation using a few bits for multiple description coding Invited Peer-reviewed

Akinori Ito, Shozo Makino

2007 THIRD INTERNATIONAL CONFERENCE ON INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING, VOL II, PROCEEDINGS　259-262　2007

DOI： 10.1109/IIHMSP.2007.4457700 　

Music information retrieval from a singing voice using lyrics and melody information Peer-reviewed

Motoyuki Suzuki, Toru Hosoya, Akinori Ito, Shozo Makino

EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING　2007

DOI： 10.1155/2007/38727 　

ISSN： 1687-6180

Pronunciation error detection for computer-assisted language learning system based on error rule clustering using a decision tree Peer-reviewed

Akinori Ito, Yen-Ling Lim, Motoyuki Suzuki, Shozo Makino

Acoustical Science and Technology　28　(2)　131-133　2007

DOI： 10.1250/ast.28.131 　

ISSN： 1346-3969 1347-5177

A Phoneme Duration Model Considering Speaking-rate and Linguistic Features for Speech Recognition Peer-reviewed

大河雄一, 伊藤彰則, 鈴木基之, 牧野正三

Journal of Information Processing Society Japan　47　(12)　3380-3391　2006/12

Music Information Retrieval from a Singing Voice Based on Verification of Recognized Hypotheses Peer-reviewed

Motoyuki Suzuki, Toru Hosoya, Akinori Ito, Shozo Makino

Proceedings of 11th International Conference on Music Information Retrieval　168-171　2006/10

発話速度と言語的特徴の影響を考慮した持続時間モデルを用いた音声認識に関する研究

大河雄一, 伊藤彰則, 鈴木基之, 牧野正三

東北大学電気通信研究所 音響工学研究会 344-1　2006/08

A New Segment Quantization of LSP Parameters with Lempel-Ziv Algorithm Peer-reviewed

Minoru Kohata, Motoyuki Suzuki, Akinori Ito, Shozo Makino

IEICE Transaction on Information and Systems　J89-D　(7)　1504-1513　2006/07

ISSN： 1880-4535

Evaluation of multiple PLSA adaptation based on separation of topic and style words Invited Peer-reviewed

Akinori Ito, Naoto Kuriyama, Motoyuki Suzuki, Shozo Makino

Proceedings of 9th Western-Pacific Acoustic Conference　2006/06

Packet loss concealment of audio stream based on multiple description by spectrum striping Invited Peer-reviewed

Motoyuki Suzuki, Toshiyuki Sakai, Jie Liu, Akinori Ito, Shozo Makino

Proceedings of 9th Western-Pacific Acoustic Conference　2006/06

An effective music information retrieval method using three-dimensional continuous DP Peer-reviewed

SP Heo, M Suzuki, A Ito, S Makino

IEEE TRANSACTIONS ON MULTIMEDIA　8　(3)　633-639　2006/06

DOI： 10.1109/TMM.2006.870717 　

ISSN： 1520-9210

音素持続時間予測モデルを用いたリスコアリングによる自然発話音声認識

大河雄一, 伊藤彰則, 鈴木基之, 牧野正三

日本音響学会2006年春季研究発表会講演論文集　1207-1208　2006/03

Generating search query in unsupervised language model adaptaion using www

Kajiura, Yasutomo, Suzuki, Motoyuki, Ito, Akinori, Makino, Shozo

The Journal of the Acoustical Society of America　120　(5)　3043-3044　2006

A grammatical error detection method for dialogue-based CALL system

Kweon Oh-pyo, Ito Akinori, Suzuki Motoyuki, Makino Shozo

Information and Media Technologies　1　(1)　391-410　2006

DOI： 10.11185/imt.1.391 　

Unsupervised language model adaptation based on automatic text collection from WWW Peer-reviewed

Motoyuki Suzuki, Yasutomo Kajiura, Akinori Ito, Shozo Makino

INTERSPEECH 2006 AND 9TH INTERNATIONAL CONFERENCE ON SPOKEN LANGUAGE PROCESSING, VOLS 1-5　2202-2205　2006

A User Simulator based on VoiceXML for evaluation of spoken dialog systems Peer-reviewed

Akinori Ito, Keisuke Shimada, Motoyuki Suzuki, Shozo Makino

INTERSPEECH 2006 AND 9TH INTERNATIONAL CONFERENCE ON SPOKEN LANGUAGE PROCESSING, VOLS 1-5　1045-1048　2006

Multiple description coding of an audio stream by optimum recovery transform Invited Peer-reviewed

Akinori Ito, Shozo Makino

IIH-MSP: 2006 INTERNATIONAL CONFERENCE ON INTELLIGENT INFORMATION HIDING AND MULTIMEDIA SIGNAL PROCESSING, PROCEEDINGS　19-+　2006

DOI： 10.1109/IIH-MSP.2006.265110 　

Automatic detection of English mispronunciation using speaker adaptation and automatic assessment of English Intonation and rhythm Peer-reviewed

Akinori Ito, Tadao Nagasawa, Hirokazu Ogasawara, Motoyuki Suzuki, Shozo Makino

Educational Technology Research　29　(1)　13-23　2006

DOI： 10.15077/etr.KJ00004963297 　

ISSN： 0387-7434

Pronunciation Error Detection Method Based on Error Rule Clustering Using a Decision Tree Peer-reviewed

Akinori Ito, Yenling Lim, Motoyuki Suzuki, Shozo Makino

Proceeding of European Conference on Speech Communication and Technology　173-176　2005/09

Construction Method of Acoustic Models Dealing with Various Background Noises Based on Combination of HMMs Peer-reviewed

Motoyuki Suzuki, Yusuke Kato, Akinori Ito, Shozo Makino

Proceeding of European Conference on Speech Communication and Technology　973-976　2005/09

nternal Noise Suppression for Speech Recognition by Small Robots Peer-reviewed

Akinori Ito, Takashi Kanayama, Motoyuki Suzuki, Shozo Makino

Proceeding of European Conference on Speech Communication and Technology　2685-2688　2005/09

Lyrics Recognition From A Singing Voice Based On Finite State Automaton For Music Information Retrieval Peer-reviewed

Toru Hosoya, Motoyuki Suzuki, Akinori Ito, Shozo Makino

Proceedings of the 6th International Conference on Music Information Retrieval　532-535　2005/09

A Grammatical Error Detection Method for Dialogue-based CALL system Peer-reviewed

Oh-Pyo Kweon, Akinori Ito, Motoyuki Suzuki, Shozo Makino

Journal of Natural Language Processing　12　(4)　137-156　2005/08

DOI： 10.5715/jnlp.12.4_137 　

ISSN： 1340-7619

Fast optimization of language model weight and insertion penalty from n-best candidates Peer-reviewed

Akinori Ito, Masaki Kohda, Shozo Makino

Acoustical Science and Technology　26　(4)　384-387　2005/07

DOI： 10.1250/ast.26.384 　

ISSN： 1346-3969

A new design concept of robotic interface for the improvement of user familiarity Peer-reviewed

Y Hiroi, E Nakano, T Takahashi, A Ito, K Kotani, N Takatsu

ICMIT 2005: CONTROL SYSTEMS AND ROBOTICS, PTS 1 AND 2　6042　(604230)　1-4　2005

DOI： 10.1117/12.664685 　

ISSN： 0277-786X

Smile and laughter recognition using speech processing and face recognition from conversation video Peer-reviewed

A Ito, XY Wang, M Suzuki, S Makino

2005 INTERNATIONAL CONFERENCE ON CYBERWORLDS, PROCEEDINGS　437-444　2005

DOI： 10.1109/CW.2005.82 　

Noise Adaptive Spoken Dialog System based on Selection of Multiple Dialog Strategies Peer-reviewed

Akinori Ito, Takanobu Oba, Takashi Konashi, Motoyuki Suzuki, Shozo Makino

Proceedings of International Conference on Spoken Language Processing　1　193-196　2004/10

A Japanese dialogue-based CALL system with mispronunciation and grammar error detection Peer-reviewed

Oh Pyo Kweon, Akinori Ito, Motoyuki Suzuki, Shozo Makino

Proceedings of International Conference on Spoken Language Processing　3　1833-1836　2004/10

Speaker Adaptation Method for CALL Systems Using Bilingual Speakers' Utterances Peer-reviewed

Motoyuki Suzuki, Hirokazu Ogasawara, Akinori Ito, Yuichi Ohkawa, Shozo Makino

Proceedings of International Conference on Spoken Language Processing　4　2929-2932　2004/10

Comparison of Features for DP-matching based Query-by-humming System Peer-reviewed

Akinori Ito, Sung-Phil Heo, Motoyuki Suzuki, Shozo Makino

Proceedings of the 5th International Conference on Music Information Retrieval　297-302　2004/10

A spoken dialog system based on automatic grammar generation and template-based weighting for autonomous mobile robots Peer-reviewed

Takashi KONASHI, Motoyuki SUZUKI, Akinori ITO, Shozo MAKINO

Proceedings of International Conference on Spoken Language Processing　1　189-192　2004/10

再学習とモデル選択の反復によるマルチパス音響モデルの最適化

大河雄一, 伊藤彰則, 鈴木基之, 牧野正三

日本音響学会2004年秋季研究発表会講演論文集 I　77-78　2004/09

A dialogue-based CALL system for Japanese conversation Peer-reviewed

Oh-Pyo Kweon, Akinori Ito, Motoyuki Suzuki, Shozo Makino

Proceedings of the 18th International Congress on Acoustics　3　2015-2018　2004/04

Language modeling using stochastic switching N-gram Peer-reviewed

NAGANO, Takeshi, SUZUKI, Motoyuki, ITO, Akinori, MAKINO, Shozo

training　5　(3years)　1991-1993　2004/04

Language Modeling by an Ergodic HMM based on an N-gram Peer-reviewed

Takeshi Nagano, Motoyuki Suzuki, Akinori Ito, Shozo Makino, Masaharu Katoh, Masaki Kohda

Proceedings of the 18th International Congress on Acoustics　5　3701-3704　2004/04

オールスターモデル選択法による自然発話音声音響モデル学習の検討

大河雄一, 伊藤彰則, 鈴木基之, 牧野正三

日本音響学会2004年春季研究発表会講演論文集 I　101-102　2004/03

SATを用いた二言語混合音響モデルの話者適応

小笠原洋一, 伊藤彰則, 鈴木基之, 牧野正三, 大河雄一

日本音響学会2004年春季研究発表会講演論文集 I　179-180　2004/03

An evaluation method of Japanese pronunciation for Korean native speakers Peer-reviewed

Oh Pyo Kweon, Motoyuki Suzuki, Akinori Ito, Shozo Makino

Educational Technology Research　27　(1)　1-8　2004/01

DOI： 10.15077/etr.KJ00003899214 　

ISSN： 0387-7434

A Patient Care Service Robot System Based on a State Transition Architecture Peer-reviewed

Yutaka Hiroi, Eiji Nakano, Takayuki Takahashi, Shozo Makino, Akinori Ito, Koji Kotani, Nobuo Takatsu, Tadahiro Ohmi

Proceedings of the 2nd International Conference on Mechatronics and Information Technology　231-236　2003/12

自然発話音声認識のための高精度な音響モデル学習法の検討

大河雄一, 鈴木基之, 伊藤彰則, 牧野正三

東北大学電気通信研究所 音響工学研究会327-1　2003/11

Three dimensional continuous DP algorithm for multiple pitch candidates in music information retrieval system Peer-reviewed

Heo, Sungphil, Suzuki, Motoyuki, Ito, Akinori, Makino, Shozo

Proceedings of 4th International Symposium on Music Information Retrieval　235-236　2003/10

学習話者の異なる複数言語の音響モデルの話者適応の検討

小笠原洋一, 鈴木基之, 伊藤彰則, 牧野正三, 大河雄一

日本音響学会 2003年秋季研究発表会講演論文集 I　109-110　2003/09

Multiple pitch candidates based music information retrieval method for query-by-humming Peer-reviewed

Heo, Sung-Phil, Suzuki, M., Ito, A., Makino, S., Chung, HY

Proc. AMR　189-200　2003/09

マルチパス音響モデルによる自然発話音声の認識に関する研究

大河雄一, 吉田明弘, 鈴木基之, 伊藤彰則, 牧野正三

東北大学電気通信研究所 音響工学研究会 325-1　2003/07

Analysis of pronunciation errors in Japanese speech uttered by Korean towards development of Japanese CALL system Peer-reviewed

KWEON, OH

Proc. of O-COCOSDA 2003　185-192　2003/06

A Portable spoken dialog system for autonomous robots Peer-reviewed

Takashi Konashi, Motoyuki Suzuki, Akinori Ito, Shozo Makino

Proceeding of 1st International Workshop on Language Understanding and Agents for Real-world Interaction　79-84　2003/05

Construction and evaluation of language models based on stochastic context-free grammar for speech recognition

Chiori Hori, Masaharu Katoh, Akinori Ito, Masaki Kohda

Systems and Computers in Japan　33　(13)　48-59　2002/11/30

DOI： 10.1002/scj.1172 　

ISSN： 0882-1666

適応学習における話者適応法の比較

大河雄一, 鈴木基之, 伊藤彰則, 牧野正三

日本音響学会 2002年秋季研究発表会講演論文集 I　113-114　2002/09

A Metric based on Likelihood Difference for N-gram Language Model Evaluation Peer-reviewed

Akinori Ito, Masaki Kohda

IPSJ Journal　43　(7)　2055-2064　2002/07

Construction and evaluation of language models based on stochastic context-free grammar for speech recognition Peer-reviewed

Chiori Hori, Masaharu Katoh, Akinori Ito, Masaki Kohda

IEICE Trans.(D-II)　J83-D-II　(11)　2407-2417　2000/11

Evaluation of Task Adaptation Using N-gram Count Mixture Peer-reviewed

Akinori Ito, Masaki Kohda

IEICE Trans.(D-II)　J83-D-II　(11)　2418-2427　2000/11

Language modeling by stochastic dependency grammar for Japanese speech recognition Peer-reviewed

Akinori Ito, Chiori Hori, Masaharu Katoh, Masaki Kohda

Proceeding of International Conference on Spoken Language Processing　2000/10

Free Software Toolkit for Japanese large vocabulary continuous speech recognition Peer-reviewed

Tatsuya Kawahara, Akinobu Lee, Tetsunori Kobayashi, Kazuya Takeda, Nobuaki Minematsu, Shigaki Sagayama, Katsunobu Itoh, Akinori Ito, Mikio Yamamoto, Atsushi Yamada, Takehito Utsuro, Kiyohiro Shikano

Proceeding of International Conference on Spoken Language Processing　476-479　2000/10

Overview of Japanese Dictation Toolkit

Kawaharay, Tatsuya, Lee, Akinobu, Kobayashi, Tetsunori, Takeda, Kazuya, Minematsu, Nobuaki, Sagayama, Shigeki and ETL, Katsunobu Itou, Ito, Akinori, Yamamoto, Mikio, Yamada, Atsushi

2000

A new metric for stochastic language model evaluation Peer-reviewed

Akinori Ito, Masaki Kohda

Proceeding of European Conference on Speech Communication and Technology　4　1591-1594　1999/09

A Study on a Phoneme-graph-based Hypothesis Restriction for Large Vocabulary Continuous Speech Recognition Peer-reviewed

Takaaki Hori, Masaharu Katoh, Akinori Ito, Masaki Kohda

IPSJ Journal　40　(4)　1365-1373　1999/04

A Study on a State Clustering-Based Topology Design Method for HM-Nets Peer-reviewed

Takaaki Hori, Masaharu Katoh, Akinori Ito, Masaki Kohda

IEICE Trans.(D-II)　J81-D-II　(10)　2239-2248　1998/10

ISSN： 0915-1923

Evaluation of Japanese Dictation ToolKit-1997 version-

Kawahara,Tatsuya, Lee,Akinobu, Kobayashi,Tetsunori, Takeda,Kazuya, Minematsu,Nobuaki, Ito,Katsunobu, Ito,Akinori, Yamamoto,Mikio, Yamada,Atsushi, Utsuro,Takehito, Shikano,Kiyohiro

IPSJ SIG Notes　98　(49)　91-96　1998/05

ISSN： 0919-6072

A study on HM-Nets using decision tree-based successive state splitting Peer-reviewed

Takaaki Hori, Masaharu Katoh, Akinori Ito, Masaki Kohda

Proceeding of IEEE International Conference on Speech Processing　1　383-387　1998/05

Common Platform of Japanese Large Vocabulary Continuous Speech Recognizer Assessment -- Proposal and Initial Results -- Peer-reviewed

T.Kawahara, A.Lee, T.Kobayashi, K.Takeda, N.Minematsu, K.Itou, A.Ito, M.Yamamoto, A.Yamada, T.Utsuro, K.Shikano

Proc. Oriental-COCOSDA Workshop　117-122　1998

A Study on HM-Nets Using Phonetic Decision Tree-Based Successive State Splitting Peer-reviewed

Takaaki Hori, Masaharu Katoh, Akinori Ito, Masaki Kohda

IEICE Trans.(D-II)　J80-D-II　(10)　2645-2654　1997/10

ISSN： 0915-1923

N-gram language model adaptation using small corpus for spoken dialog recognition Peer-reviewed

Akinori Ito, Hideyuki Saitoh, Masaharu Katoh, Masaki Kohda

Proceeding of European Conference on Speech Processing　2735-2738　1997/09

Language Modeling by Kana and Kanji String N-gram Peer-reviewed

Akinori Ito, Masaki Kohda

IEICE Trans.(D-II)　J79-D-II　(12)　2062-2069　1996/12

The performance prediction on sentence recognition using a finite state word automaton Peer-reviewed

T Otsuki, A Ito, S Makino, T Ohtomo

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E79D　(1)　47-53　1996/01

ISSN： 0916-8532

Language modeling by string pattern N-gram for Japanese speech recognition Peer-reviewed

A Ito, M Kohda

ICSLP 96 - FOURTH INTERNATIONAL CONFERENCE ON SPOKEN LANGUAGE PROCESSING, PROCEEDINGS, VOLS 1-4　490-493　1996

A NEW HMNET CONSTRUCTION ALGORITHM REQUIRING NO CONTEXTUAL FACTORS Peer-reviewed

M SUZUKI, S MAKINO, A ITO, H ASO, H SHIMODAIRA

IEICE TRANSACTIONS ON INFORMATION AND SYSTEMS　E78D　(6)　662-668　1995/06

ISSN： 0916-8532

Word Pre-Selection Using Extended Redundant Hash Addressing Method for Continuous Speech Recognition Peer-reviewed

Akinori Ito, Shozo Makino

IEICE Trans.(D-II)　J78-D-II　(3)　400-408　1995/03

Performance Prediction of Word Recognition Using the Probability of Word Occurrence Peer-reviewed

Takashi Otsuki, Akinori Ito, Shozo Makino, Teruhiko Otomo

IEICE Trans.(A)　J77-A　(2)　274-281　1994/02

ISSN： 0913-5707

A continuous speech recognition system using a modified LVQ2 method and a dependency grammar with semantic constraints Peer-reviewed

Shozo Makino, Akinori Ito, Mitsuru Endo, Ken'iti Kido

J. Pattern Recognition and Artificial Intelligence　8　(1)　197-213　1994/01

DOI： 10.1142/S0218001494000097 　

THE PERFORMANCE PREDICTION METHOD ON SENTENCE RECOGNITION SYSTEM USING A FINITE STATE AUTOMATON Peer-reviewed

T OTSUKI, A ITO, S MAKINO, T OTOMO

ICASSP-94 - PROCEEDINGS, VOL 1　397-400　1994

A Fast Word Pre-Selection Based on Speech Fragments for Continuous Speech Recognition

Akinori Ito, Shozo Makino

Proceeding of International Workshop on Speech Processing　107-112　1993/11

Performance Prediction of Word Recognition Using the Transition Information between Phonemes or between Characters Peer-reviewed

Takashi Otsuki, Akinori Ito, Shozo Makino, Toshio Sone

IEICE Trans.(D-II)　J76-D-Ii　(6)　1090-1096　1993/06

ISSN： 0915-1923

Speech to Text Conversion System Based on Phoneme Recognition Peer-reviewed

Shozo Makino, Akinori Ito, Mitsuru Endo, Ken'ichi Kido

The Annals of Applied Information Sciences　18　(1-2)　51-66　1993/03

A NEW WORD PRESELECTION METHOD BASED ON AN EXTENDED REDUNDANT HASH ADDRESSING FOR CONTINUOUS SPEECH RECOGNITION Peer-reviewed

A ITO, S MAKINO

ICASSP-93 : 1993 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, VOLS 1-5　B299-B302　1993

Word pre-selection using a redundant hash addressing method for continuous speech recognition Peer-reviewed

Akinori Ito, Shozo Makino

Proceeding of the International Conference on Spoken Language Processing　309-312　1992/10

A Functional Word Prediction CYK Method for Parsing Spoken Japanese Sentences Peer-reviewed

Akinori Ito, Shozo Makino, Ken'iti Kido

IEICE Trans.(D-II)　J74-D-II　(9)　1147-1155　1991/09

ISSN： 0915-1923

A JAPANESE TEXT DICTATION SYSTEM BASED ON PHONEME RECOGNITION AND A DEPENDENCY GRAMMAR Peer-reviewed

S MAKINO, A ITO, M ENDO, K KIDO

IEICE TRANSACTIONS ON COMMUNICATIONS ELECTRONICS INFORMATION AND SYSTEMS　74　(7)　1773-1782　1991/07

ISSN： 0917-1673

Parsing of spoken Japanese sentences using the functional word prediction CYK algorithm Peer-reviewed

Akinori Ito, Shozo Makino, Ken'iti Kido

Proc. Korea-Japan Joint Symposium on Acoustics　218-221　1991/07

A JAPANESE TEXT DICTATION SYSTEM BASED ON PHONEME RECOGNITION AND A DEPENDENCY GRAMMAR Peer-reviewed

S MAKINO, A ITO, M ENDO, K KIDO

ICASSP 91, VOLS 1-5　273-276　1991

A Japanese Text Dictation System Based on Phoneme Recognition Using a Modified LVQ2 Method Peer-reviewed

Shozo Makino, Akinori Ito, Mitsuru Endo, Ken'iti Kido

Proceeding of the International Conference on Spoken Language Processing　241-244　1990/11

Computerized System for Recording and Analysis of the Circadian Biological Activity Peer-reviewed

Kunio Isono, Yoshiharu Oda, Akinori Ito, Satoshi Hongo, Masao Miyauchi, Atsushi Harada, Shouichi Musashi, Yasuo Tsukahara

The Annals of Applied Information Sciences　15　(1)　155-166　1990/03

Linguistic Processing in Japanese Dictation System Peer-reviewed

Shozo Makino, Akinori Ito, Mitsuru Endo, Ken'iti Kido

Preprints of The Third Symposium on Advanced Man-Machine Interface Through Spoken Language　25-1-25-10　1989/12

Bunsetsu-spotting Based Linguistic Processing for a Japanese Dictation System Peer-reviewed

Shozo Makino, Akinori Ito, Yoichi Ogawa, Michio Okada, Ken'iti Kido

Preprints of The Second Symposium on Advanced Man-Machine Interface Through Spoken Language　29-1-29-10　1988/11

`Bunsetsu' Spotting-based Japanese Continuous Speech Recognition Peer-reviewed

Michio Okada, Hiroshi Matsuo, Akinori Ito, Yoiti Ogawa, Shozo Makino, Ken'iti Kido

Trans. IEEJ(C)　108-C　(10)　826-833　1988/10

DOI： 10.1541/ieejeiss1987.108.10_826 　

Japanese Conjugate Word Spotting in Continuous Speech Using a Syntactic Driven Continuous DP Matching Algorithm Peer-reviewed

Michio Okada, Akinori Ito, Shozo Makino, Ken'iti Kido

IEICE Trans.(D)　70　(12)　p2479-2490　1987/12

ISSN： 0913-5731