Kyushu Institute of Technology   Education Advancement Promotion Committee   Learning & Teaching Center  

Kyushu Institute of Technology   Organization for Promotion of Research and Open Innovation   IoT System Platform Research Center  

Kyushu Institute of Technology   School of Engineering  

Kyushu Institute of Technology   Faculty of Engineering  

Kyushu Institute of Technology   Graduate School of Engineering  

Kyushu Institute of Technology   Faculty of Engineering   Department of Electrical and Electronic Engineering   Professor  

2016.01   IEEE   United States

2013.09   産業応用工学会　査読委員   Japan

2013.05 - 2014.03   (社)電子情報通信学会　九州支部運営委員会   Japan

2013.03   The lnstitulte of lndustrial Applications]Engineers   United States

2013.03   産業応用工学会   Japan

2010.10   (社)電子情報技術産業協会（JEITA） 音声入出力方式標準化委員会   Japan

2009.05 - 2012.05   (社)電子情報通信学会　会誌編集委員会   Japan

2005.01 - 2010.03   (財)大阪科学技術センター 五感産業研究会   Japan

2004.01 - 2007.03   (社)電子情報技術産業協会（JEITA） 音声技術実用化推進専門委員会   Japan

2003.04 - 2010.09   (社)電子情報技術産業協会（JEITA） 音声入出力方式標準化委員会   Japan

2002.04   情報処理学会   Japan

2002.04 - 2004.03   情報処理学会　音声言語処理研究会   Japan

2002.04 - 2004.03   （財）日本規格協会（JAS）バイオメトリックス標準化調査研究委員会   Japan

1991.10   電子情報通信学会   Japan

1989.06   JAS   Japan

Study on Software Log Anomaly Detection System with Unsupervised Learning Algorithm Reviewed

Hirakawa R., Tominaga K., Nakatoh Y.

Advances in Intelligent Systems and Computing   1152 AISC   122 - 128   2020.01

Software Log Anomaly Detection Through One Class Clustering of Transformer Encoder Representation Reviewed

Hirakawa R., Tominaga K., Nakatoh Y.

Communications in Computer and Information Science   1224 CCIS   655 - 661   2020.01

Discussion on differences in frequency band required for horizontal sound localization by age Reviewed International journal

Okuno T., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

Study on watching system for door-to-door sales detection and risk determination Reviewed International journal

Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

Study on method of veering correction by vibration transmission in walking support for visually impaired people Reviewed International journal

Hirayama T., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

Study on evaluating risks of routes damages at Earthquakes for evacuation guidance system Reviewed International journal

Mihara Y., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

In load collapse prevention system Examination of the relationship between truck vibration and load inclination Reviewed International journal

Inoshita C., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

Examination of acoustic features for discriminating between real and loudspeaker speeches Reviewed International journal

Kinoshita Y., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

Enhancement of electrolarynx speech based on WaveRNN Reviewed International journal

Urabe E., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

ACM International Conference Proceeding Series   2019.05

Preliminary study of mobile device-based speech enhancement system using lip-reading Reviewed International journal

Matsunaga Y., Matsui K., Nakatoh Y., Kato Y., Lopez-Sanchez D., Rodriguez S., Corchado J.

Advances in Intelligent Systems and Computing   800   308 - 315   2019.01

Estimating Age-Dependent Degradation Using Nonverbal Feature Analysis of Daily Conversation Reviewed International journal

Kana N., Wakita Y., Nakatoh Y.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   11582 LNCS   222 - 231   2019.01

Potential for Estimating Age-Dependent Degradation using the Acoustic Characteristics of Daily Conversation Reviewed International journal

Wakita Y., Kondo S., Nakatoh Y.

2018 IEEE 7th Global Conference on Consumer Electronics, GCCE 2018   760 - 763   2018.12

音声スペクトルの時間変化強調による明瞭性改善手法の提案 Reviewed

川原　竣介、平川　凜、中藤　良久

産業応用工学会論文誌   6 ( 1 )   51 - 54   2018.03

Development of hands-free speech enhancement system for both EL-users and esophageal speech users Reviewed International journal

Matsunaga Y., Matsui K., Nakatoh Y., Kato Y.O.

Advances in Intelligent Systems and Computing   620   334 - 341   2018.01

Method for Improving Intelligibility of Elderly Speech Based on Formant Frequency Shift Reviewed

TANAKA YUTO, MIZUMACHI MITSUNORI, NAKATOH YOSHIHISA

Journal of the Institute of Industrial Applications Engineers ( The Institute of Industrial Applications Engineers )   5 ( 1 )   32 - 36   2017.01

Study on the improvement of intelligibility for elderly speech using formant frequency shift method Reviewed International journal

Tanaka Y., Mizumachi M., Nakatoh Y.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)   9811   683 - 690   2016.01

The Sound Quality Improvement by Removal Phonological for Singing System Based on LPC Residual Wave Reviewed

Himeno Takashi, Tanaka Yuto, Mizumachi Mitsunori, Matsui Kenji, Nakatoh Yoshihisa

The Japanese Journal of the Institute of Industrial Applications Engineers ( The Institute of Industrial Applications Engineers )   4 ( 1 )   19 - 25   2016.01

Singing System by Electric-Larynx Using LPC Residual Wave Reviewed International journal

3 ( 4 )   183 - 186   2015.12

Study of Hearing Aid System Adapted to Direction Inputted by User Reviewed

NOGUCHI TSUBASA, MIZUMACHI MITSUNORI, NAKATOH YOSHIHISA

Journal of the Institute of Industrial Applications Engineers   3 ( 2 )   72 - 79   2015.04

Development of Utterance Support System using Word Input Reviewed

Hamai Yuya, Mizumachi Mitsunori, Nakatoh Yoshihisa, Matsui Kenji

The Japanese Journal of the Institute of Industrial Applications Engineers   3 ( 1 )   10 - 17   2015.01

Study of Improvement of Intelligibility for Elderly Speech Based on Formant Frequency Shift Reviewed International journal

3 ( 3 )   57 - 65   2014.08

The Guidelines for Design of Voice Commands in Application Systems with Speech Recognition Reviewed

HANAZAWA Ken, NAKATOH Yoshihisa, NAKAJIMA Shinya

The Journal of the Institute of Electronics, Information, and Communication Engineers ( The Institute of Electronics, Information and Communication Engineers )   97 ( 7 )   582 - 587   2014.07

The guidelines for design of voice commands in application systems with speech recognition Reviewed International journal

97 ( 7 )   582 - 587   2014.01

Study of Utterance Support System using Word Input based on Word Prediction Reviewed

HAMAI YUYA, MIZUMACHI MITSUNORI, NAKATOH YOSHIHISA

Journal of the Institute of Industrial Applications Engineers   2 ( 1 )   13 - 18   2014.01

Speech enhancement by non-linear beamforming tolerant to misalignment of target source direction Reviewed

HAYASHI HIROAKI, MIZUMACHI MITSUNORI, NAKATOH YOSHIHISA

Journal of the Institute of Industrial Applications Engineers   1 ( 2 )   97 - 104   2013.10

Development of Hand Gesture Controlled Electrolarynx Reviewed

MATSUI KENJI, NAKATOH YOSHIHISA, KATO YUMIKO O.

Journal of the Institute of Industrial Applications Engineers   1 ( 2 )   48 - 51   2013.10

A low-bit-rate audio codec using mel-scaled linear predictive analysis Reviewed

Nakatoh Y., Matsumoto H.

Acoustical Science and Technology   28 ( 3 )   147 - 152   2007.05

Speech recognition interface system for digital TV control Reviewed

Nakatoh Y., Kuwano H., Kanamori T., Hoshimi M.

Acoustical Science and Technology   28 ( 3 )   165 - 171   2007.05

Generation of broadband speech from narrowband speech based on linear mapping Reviewed

Nakatoh Y., Tsushima M., Norimatsu T.

Electronics and Communications in Japan, Part II: Electronics (English translation of Denshi Tsushin Gakkai Ronbunshi)   85 ( 8 )   44 - 53   2002.08

Generation of Broadband Speech from Narrowband Speech Based on Linear Mapping Reviewed

NAKATOH Yoshihisa, TSUSHIMA Mineo, NORIMATSU Takeshi

The Transactions of the Institute of Electronics,Information and Communication Engineers. ( The Institute of Electronics, Information and Communication Engineers )   83 ( 11 )   2246 - 2254   2000.11

Estimation of Road Damage Contents for Earthquake Evacuation Guidance System Reviewed International journal

Yujiro Mihara, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

Proc. of 3rd International Conference on Communication and Computational Technologies (ICCCT 2021)   2021.02

Speech Enhancement System using SVM for Train Announcement Reviewed

Kinoshita Y., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2021-January   2021.01

Eye Fatigue Prediction System Using Blink Detection Based on Eye Image Reviewed

Kuwahara A., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2021-January   2021.01

Detecting System Alzheimer's Dementia by 1d CNN-LSTM in Japanese Speech Reviewed

Nishikawa K., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2021-January   2021.01

Blink detection using image processing to predict eye fatigue Reviewed

Kuwahara A., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Advances in Intelligent Systems and Computing   1253 AISC   362 - 368   2021.01

Effective speech features for distinguishing mild dementia patients from healthy person Reviewed International journal

Nishikawa K., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Advances in Intelligent Systems and Computing   1253 AISC   356 - 361   2021.01

Estimation of Road Damage for Earthquake Evacuation Guidance System Linked with SNS Reviewed International journal

Yujiro Mihara, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

Proc. of Congress on Intelligent Systems CIS 2020   2020.09

Software Log Anomaly Detection Method using HTM Algorithm Reviewed International journal

Rin Hirakawa, Keitaro Tominaga, Yoshihisa Nakatoh

Proc. of Congress on Intelligent Systems CIS 2020   2020.09

Study on Software Log Anomaly Detection System with Unsupervised Learning Algorithm Reviewed International journal

Rin Hirakawa, Keitaro Tominaga, Yoshihisa Nakatoh

Proc. of 2nd International Conference on Human Interaction and Emerging Technologies (IHIET-AI 2020)   2020.08

Speaker Verification Method Using Hierarchical Temporal Memory for Security System Reviewed International journal

Yuki Sakaguchi, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

Proc. of 2nd International Conference on Human Interaction and Emerging Technologies (IHIET 2020)   2020.08

Blink Detection Using Image Processing to Predict Eye Fatigue Reviewed International journal

Akihiro Kuwahara, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

Proc. of 2nd International Conference on Human Interaction and Emerging Technologies (IHIET 2020)   2020.08

Effective Speech Features for Distinguishing Mild Dementia Patients from Healthy Person Reviewed International journal

Kazu Nishikawa, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

Proc. of 2nd International Conference on Human Interaction and Emerging Technologies (IHIET 2020)   2020.08

Sitting posture discrimination, method for back pain prevention system Reviewed International journal

Joumori Daiki, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

Proc. of 2nd International Conference on Human Interaction and Emerging Technologies (IHIET 2020)   2020.08

Software Log Anomaly Detection Through One Class Clustering of Transformer Encoder Representation Reviewed International journal

Hirakawa Rin, Tominaga Keitaro, Nakatoh Yoshihisa

Communications in Computer and Information Science   1224 ( 1224 )   655 - 661   2020.07

Electrolarynx system using voice conversion based on WaveRNN Reviewed

Urabe E., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2020-January   2020.01

Study on mistype correction support using attention in Japanese input Reviewed

Komatsu R., Hirakawa R., Kawano H., Nakashi K., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2020-January   2020.01

Study on automatic defect report classification system with self attention visualization Reviewed

Hirakawa R., Tominaga K., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2020-January   2020.01

Defect Reports Classification with pre-trained BERT Reviewed International journal

Rin Hirakawa, Keitaro Tominaga, Yoshihisa Nakatoh

2019.09

Study on the classification of road damage during the earthquake using SNS information Reviewed International journal

Yujiro Mihara, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

2019.09

Analyze of Acoustic Features to separate Train Announcement Reviewed International journal

Yuto Kinoshita, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

2019.09

Analysis of Words Related to Mistypes Reviewed International journal

Ryuki Komatsu, Rin Hirakawa, Hideaki Kawano, Kenichi Nakashi, Yoshihisa Nakatoh

2019.09

Study on Door-to-door Sales Detection Method in Watching System for Seniors living alone Reviewed

Hirakawa R., Nakatoh Y.

2019 IEEE International Conference on Consumer Electronics, ICCE 2019   2019.03

Study on Mistype Classification in Japanese Input Using Machine Learning Reviewed International journal

Komatsu R., Nakatoh Y.

2019 IEEE International Conference on Consumer Electronics, ICCE 2019   2019.03

Changes in fundamental frequency and gesture of response corresponding to the understanding level of partner's talk Reviewed International journal

Natsumi K., Saitoh Y., Wakita Y., Nakatoh Y.

Proceedings - 2018 IEEE International Conference on Artificial Intelligence in Engineering and Technology, IICAIET 2018   83 - 86   2019.02

Analysis of Mistyping in Hardware Keyboard Reviewed

2018.09

Study on Visit Sales Detection Using Similarity of Paragraph Vector Reviewed

2018.09

Study of Volume Restriction Methods Based on the Melody Structure and Vocal of Music on Portable Music Player for Hearing Protection Reviewed

2018.09

Study on Wind Noise Reduction using Neural Network for Hearing Aid Reviewed

2018.09

Comparison of Subjective Evaluation and Adults Voice to Acoustic Features of Children Voice Reviewed

2018.09

Study of the smartphone operation support system for visually impaired people Reviewed International journal

Torigoe T., Nakatoh Y.

2018 IEEE International Conference on Consumer Electronics, ICCE 2018   2018-January   1 - 2   2018.03

Study on headphone hearing loss prevention methods based on the melody structure of music on portable music player Reviewed International journal

Okabe D., Nakatoh Y.

2018 IEEE International Conference on Consumer Electronics, ICCE 2018   2018-January   1 - 2   2018.03

Study on Children Voice Features Using Expression Words Reviewed

2017.09

Comparison of Non-verbal Feature of Free-conversation Speech between Elderly and Young Individuals Reviewed

2017.09

Study on Program Reading System for Visually Impaired Reviewed

2017.09

Study of Volume Restriction Methods Based on the Melody Structure of Music for Hearing Protection Reviewed

2017.09

Study of the smartphone operation support application for visually impaired Reviewed

2017.09

Analysis of Speech Depending on Age and Speaking Style by Using Acoustic Features Reviewed

2017.09

Speech Enhancement of Singing Support System for Lartngectomies Reviewed

2017.09

Development of handsfree speech enhancement system for laryngectomies Reviewed

2017.03

Study on Evaluation about Unpleasantness of Sounds in Everyday Life by Elderly People Reviewed

2016.09

Improvement of the Approach Vehicle Detection by the Supersonic Wave Reviewed

2016.09

Study on Impovement of Sound Localization for Dichotic-Listening Reviewed

2016.09

Improvement of MAEQ Method for Speech Enhancement in Noisy Environments Reviewed

2016.09

Study of Onomatopoeia Expression Caption on TV Contents Reviewed

2016.09

Study of Listening Training to Improve Auditory Ability for Elderly People Reviewed

2016.09

Study of volume limit for headphone hearing loss prevention on portable music player Reviewed

Higashi T., Tanaka Y., Nakatoh Y.

2016 IEEE International Conference on Consumer Electronics, ICCE 2016   397 - 398   2016.03

Detecting system of approaching vehicles using an ultrasonic wave Reviewed

Furuno Y., Tanaka Y., Nakatoh Y.

2016 IEEE International Conference on Consumer Electronics, ICCE 2016   393 - 394   2016.03

Improvement of Speech Intelligibility for Elderly People Based on Formant Frequency Shift Reviewed

2016.03

Development of Wearable Speech Enhancement System for Laryngectomees Reviewed

2016.03

Improvement of Word Intelligibitlity Based on ITD and ILD Control on Binaural Hearing Aids Reviewed

2016.03

Text-reading Support System for the Visually Impaired on Web Sites Reviewed

2016.03

Design of elder-friendly auditory signals for microwave ovens Reviewed International journal

Kadota N., Mizumachi M., Nakatoh Y.

2015 4th International Conference on Informatics, Electronics and Vision, ICIEV 2015   2015.11

Study of the Volume Limit for Hearing Protection in the Music Listening Reviewed

2015.09

Study of Word Intelligibility Based on Control of ITD or ILD on Binaural Hearing Reviewed

2015.09

Study of Text Reading Method Using Important Words on Web Sites forvisual impaired Reviewed

2015.09

Study of the approach vehicle detection by the supersonic wave Reviewed

2015.09

Singing System by Electric-Larynx Using LPC Residual Wave Reviewed

2015.09

Study of Improvement of Intelligibility Based on Formant Frequency Shift for Vowels of Elderly Speech Reviewed

157 - 160   2015.01

Study of Adaptive Beam Forming with Direction Selector of Target Sound by Hearing Aid User Reviewed

155 - 158   2014.09

Study of Improvement of Intelligibility for Elderly Speech Based on Formant Frequency Shift Reviewed

163 - 166   2014.09

Study of Natural-Voice-Like Vibration Sound for Electrolarynx Reviewed

159 - 162   2014.09

Study of Word Prediction for Utterance Support System Reviewed

57 - 60   2013.09

Development of Electrolarynx with Hands-Free Prosody Control Reviewed

274 - 277   2013.08

Investigation on Variation of the Initial Phonemes of Japanese Words Due to Aging Reviewed

57 - 60   2013.03

Preliminary Evaluation of Angry Voice in Automatic Speech Recognition Reviewed

57 - 60   2013.03

Noise Reduction by Non-Linear Beamforming Tolerant to Misalignment of Target Direction Reviewed

57 - 60   2013.03

A Preliminary User Interface Study of Speech Enhancement System Reviewed

57 - 60   2013.03

A study of asynchronous phenomenon in articulation for elderly people Reviewed

157 - 160   2011.01

Blind vehicle's sound detec ting technique for advanced safety-driving system Reviewed

Yoshizawa S., Nakatoh Y.

Digest of Technical Papers - IEEE International Conference on Consumer Electronics   2009.09

An adaptive MEL-LPC analysis for speech recognition Reviewed

Nakatoh Y., Nishizaki M., Yoshizawa S., Yamada M.

8th International Conference on Spoken Language Processing, ICSLP 2004   933 - 936   2004.01

A study of vocal tract length normalization with generation-dependent acoustic models Reviewed

Fujita K., Ono Y., Nakatoh Y.

6th International Conference on Spoken Language Processing, ICSLP 2000   2000.01

Improvement of intelligibility for elderly speech based on formant frequency shift

2014.09

Utterance Support System using Word Input based on Word Prediction

2014.09

Natural-Voice-Like Vibration Sound for Electrolarynx

2014.09

Relationship between Utterance Motion and Voice Intelligibility

2014.09

Adaptive Beamforming with Direction Selector of Target Sound by Hearing Aid User

2014.09

Walking Support with Sound for The Visually Impaired

2014.09

Word Intelligibility Improvement of Voice Addressing Public in Noisy Environments

2014.09

Application of Speech Technology to Support the Elderly and Disabled Invited

Nakato Yoshihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2013 ( 0 )   1 - 1   2013.01

Anomaly detection on software log based on Temporal Memory Reviewed

Hirakawa R., Uchida H., Nakano A., Tominaga K., Nakatoh Y.

Computers and Electrical Engineering   95   2021.10

Acoustic Features for discriminating between natural speech and train announcement

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu ( Committee of Joint Conference of Electrical, Electronics and Information Engineers in Kyushu )   2019 ( 0 )   257 - 257   2019.01

Relationship between truck vibration and load inclination in the transportation of trucks

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu ( Committee of Joint Conference of Electrical, Electronics and Information Engineers in Kyushu )   2019 ( 0 )   273 - 273   2019.01

Estimation of routes damages at Earthquake using SNS information

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu ( Committee of Joint Conference of Electrical, Electronics and Information Engineers in Kyushu )   2019 ( 0 )   277 - 277   2019.01

Quantitative evaluation of the effect of exercise on the autism spectrum disorder

KAWANO Hideaki, OTSUKI Takumi, NAKASHI Kenichi, NAKATOH Yoshihisa

Proceedings of the Annual Conference of Biomedical Fuzzy Systems Association ( Biomedical Fuzzy Systems Association )   32 ( 0 )   B3 - 3   2019.01

Estimating Age-Dependent Degradation using Nonverbal Feature Analysis of Daily Conversation Reviewed International journal

脇田 由実, 中藤 良久

Digital Human Modeling and Applications in Health, Safety, Ergonomics and Risk Management. Healthcare Applications   11582   222 - 231   2019.01

中国深センへの学生派遣プログラムの取り組み

楊 世淵, 中藤 良久, 近野 泰

教育ブレティン = Educational bulletin ( 九州工業大学 )   3 - 12   2018.01

Improvement Method of Speech Intelligibility by Enhancement of Spectral Variation Reviewed International journal

Kawahara Shunsuke, Hirakawa Rin, Nakatoh Yoshihisa

The Japanese Journal of the Institute of Industrial Applications Engineers ( The Institute of Industrial Applications Engineers )   6 ( 1 )   51 - 54   2018.01

Comparison of nonverbal feature of free conversation speech between elderly and young individuals Reviewed International journal

Wakita Yumi

Proceeding of the 5th IIAE International Conference on Intelligent Systems and Image Processing 2017   5   291 - 296   2017.01

The quality improvement of alternative vocalization singing method by sound pressure correction to the LPC residual wave

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu ( Committee of Joint Conference of Electrical, Electronics and Information Engineers in Kyushu )   2015 ( 0 )   55 - 55   2015.01

Aging effect on frequency characteristics of word utterances

OGATA Kazuto, MIZUMACHI Mitsunori, NAKATOH Yoshihisa

IEICE technical report. Welfare Information technology ( The Institute of Electronics, Information and Communication Engineers )   114 ( 261 )   49 - 54   2014.10

A-4-18 Improvement of intelligibility for elderly speech based on formant frequency shift

Tanaka Yuto, Igaue Hiroaki, Mizumachi Mitsunori, Nakatoh Yoshihisa, Matsui Kenji

Proceedings of the Society Conference of IEICE ( The Institute of Electronics, Information and Communication Engineers )   2014   2014.09

Improvement of Speech Intelligibility Using Acoustic Features for Elderly People

Igaue Hiroaki, Tanaka Yuto, Mizumachi Mitsunori, Nakato Yoshihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   20 - 21   2014.01

Study of Acoustic Characteristics to Detect Vehicle Approach for Elderly People Support

Furuno Yoshihiro, Mizumachi Mitsunori, Nakato Yoshihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   22 - 23   2014.01

Sound Quality Improvement of Singing Voice by Electro-Larynx

Himeno Takashi, Hei Takafumi, Tanaka Yuto, Mizumachi Mitsunori, Nakatoh Yoshihisa, Matsui Kenji

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   16 - 17   2014.01

Study of Text to Speech Based on the Extraction of Important Words for Visual Impaired Person

Misawa Takumi, Mizumachi Mitsunori, Nakatoh Yosihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   18 - 19   2014.01

Study of Auxiliary Sound Added Directivity to Improve Speech Intelligibility

Fujiwara Ryota, Mizumachi Mitsunori, Nakatoh Yoshihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   14 - 15   2014.01

Evaluation of Utterance Support System using Character Input in Actual Use

Hamai Yuya, Mizumachi Mitsunori, Nakatoh Yoshihisa, Matsui Kenji

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   38 - 39   2014.01

Study of Volume Limit for Hearing Protection in Portable Music Players

Higashi Teruhisa, Mizumachi Mitsunori, Nakatoh Yoshihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2014 ( 0 )   24 - 25   2014.01

K-064 Study of Character Input Using Word Prediction for Utterance Support

Hamai Yuya, Mizumachi Mitsunori, Nakatoh Yoshihisa, Matsui Kenji

( Forum on Information Technology ) 12 ( 3 )   701 - 704   2013.08

D-14-11 Development of Electrolarynx Using Motion Sensor

Matsui Kenji, Otsuki Yuma, Nakatoh Yoshihisa, Kato Yumiko

Proceedings of the IEICE General Conference ( The Institute of Electronics, Information and Communication Engineers )   2013 ( 1 )   2013.03

A-19-12 Preliminary Study of Character Input Using Word Prediction for Utterance Support

Hamai Yuya, Nakatoh Yoshihisa

Proceedings of the IEICE General Conference ( The Institute of Electronics, Information and Communication Engineers )   2013   2013.03

Preliminary Study of Speech Quality Improvement for Electronic Artificial Larynx

Record of Joint Conference of Electrical and Electronics Engineers in Kyushu ( Committee of Joint Conference of Electrical, Electronics and Information Engineers in Kyushu )   2013 ( 0 )   14 - 14   2013.01

Examination of Influence of Difference of Sound Source Waveform on Electric Laryngeal Sound

Hei Takafumi, Tanaka Hiroto, Mizumachi Mitsunori, Nakato Yoshihisa, Matsui Kenji

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2013 ( 0 )   24 - 25   2013.01

A Study on Word Spotting Speech Recognition Method for the Speech Including Japanese Surname

Tabata Ryuji, Mizumachi Mitsunori, Nakato Yoshihisa

Proceedings of IIAE Annual Conference ( The Institute of Industrial Applications Engineers )   2013 ( 0 )   22 - 23   2013.01

D-14-11 The Study of Relationship between Acoustic Property and Speech Recognition Rate for Elderly People

Ide Takahiro, Mizumachi Mitsunori, Nakatoh Yoshihisa

Proceedings of the IEICE General Conference ( The Institute of Electronics, Information and Communication Engineers )   2012 ( 1 )   2012.03

D-14-10 Analysis of initial phonemes of slowly speaking Japanese words uttered by elderly people

Yuda Yoshiaki, Mizumachi Mitsunori, Nakatoh Yoshihisa

Proceedings of the IEICE General Conference ( The Institute of Electronics, Information and Communication Engineers )   2012 ( 1 )   2012.03

Reduction of the Computational Load on Tied Full Covariance HMM

YAMADA Maki, ISHIDA Akira, NAKATOH Yoshihisa

2005 ( 1 )   135 - 136   2005.03

Difference in the achievement time by changing the system responses on the information retrieval task

INOUE Tsuyoshi, KONUMA Tomohiro, NISHIZAKI Makoto, NAKATOH Yoshihisa

2002 ( 1 )   215 - 216   2002.03

A Subtraction Method of Acoustic Distortion by Averaged Log Power Spectrum for Speech Recognition

NAKATOH Yoshihisa, FUJITA Keiko

2002 ( 1 )   183 - 184   2002.03

Phoneme recognition method based on two-class linear discriminators using various feature analyses

YOSHIZAWA Shinichi, WAKITA Yumi, YAMADA Maki, NAKATOH Yoshihisa

2000 ( 2 )   61 - 62   2000.09

A LPC Analysis Method with Adaptive Frequency Resolution for Speech Recognition

NAKATOH Yoshihisa, YOSHIZAWA Shinichi, YAMADA Maki

2000 ( 2 )   51 - 52   2000.09

Effectiveness of VTLN using Frequency Warping on Various Speaker Generations

ONO Y., FUJITA K., NAKATOH Y.

2000 ( 1 )   105 - 106   2000.03

An Evaluation of Mel-LPC Cepstrum in Noisy Speech Recognition.

NAKATOH Yoshihisa, MATSUMOTO Hiroshi

1999 ( 1 )   23 - 24   1999.03

Reduction of MDCT Coefficients for Audio Coding

LOW Heng, NAKATOH Yoshihisa, MATSUMOTO Hiroshi

1999 ( 1 )   219 - 220   1999.03

An evaluation of Mel-LPC cepstrum in speech recognition

FURUHATA Yoshinori, NAKATOH Yoshihisa, MATSUMOTO Hiroshi

1998 ( 2 )   5 - 6   1998.09

Reduction of Calculating Cost by Merging Density of CV, VC Acoustic Model

KATAYAMA Taro, NAKATOH Yoshihisa, SERIKAWA Mitsuhiko, NAKAHASHI Jun., YAGI Yoriko

1998 ( 2 )   83 - 84   1998.09

An Evaluation of Mel-LPC Analysis Method in Speech Recognition

NAKATOH Yoshihisa, MATSUMOTO Hiroshi

IEICE technical report. Speech ( The Institute of Electronics, Information and Communication Engineers )   98 ( 105 )   65 - 72   1998.06

An Improved Estimation Algorithm of Spectrum Envelope for Audio Coding

NAKATOH Yoshihisa, NORIMATSU Takeshi, LOW Ah Heng, MATSUMOTO Hiroshi

1998 ( 1 )   245 - 246   1998.03

AN EFFICIENT MEL-LPC ANALYSIS METHOD FOR SPEECH RECOGNITION Reviewed International journal

Matsumoto H., Nakatoh Y., Furuhata Y.

5th International Conference on Spoken Language Processing, ICSLP 1998   1998.01

Enhancement of Whisper Speech by Spectrum Conversion

NAKATOH Yoshihisa

1997 ( 1 )   301 - 302   1997.03

Recovery of Wideband Speech from Narrowband Speech Based on Piecewise Linear Mapping

NAKATOH Yoshihisa, TSUSHIMA Mineo, NORIMATSU Takeshi

95 ( 480 )   1 - 8   1996.01

A Comparative Study of Algorithms to Reconstruct Wideband Speech from Narrowband Speech

NAKATOH Yoshihisa, TSUSHIMA Mineo, NORIMATSU Takeshi

1995 ( 2 )   355 - 356   1995.09

A Study on Synthesis Method of Band Recovery Speech

TSUSHIMA Mineo, NAKATOH Yoshihisa, NORIMATSU Takeshi

1995 ( 1 )   249 - 250   1995.03

Unsupervised Speaker Adaptation of Continuous Density HMM in Phoneme Recognition

Nakato Yoshihisa, Matsumoto Hiroshi

Journal of the Faculty of Engineering,Shinshu University ( Shinshu University )   ( 75 )   p77 - 86   1995.02

Development of Speech Sensor System for Video Conferencing

Norimatsu Takeshi, Nakatoh Yoshihisa, Kitajima Katsumi

IEICE technical report. Ultrasonics ( The Institute of Electronics, Information and Communication Engineers )   93 ( 440 )   25 - 31   1994.01

連続分布HMMの教師なし話者適応化の検討

中藤良久

信学技報   90   79 - 86   1990.01

認知症高齢者に向けたバイノーラル録音によるヒーリング効果の予備検討

澤田知良，田中裕人，中藤良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

高齢者に対する聴能訓練による語音明瞭度改善効果の検討

浅山慎一郎，田中裕人，中藤良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

雑音環境下での音声補正による明瞭性改善方法の検討

高松 宏行, 田中 裕人, 中藤 良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

両耳分離補聴における音声到来方向感の検討

海老原和晃，田中裕人，中藤良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

TV映像におけるオノマトペ字幕の有用性の検討

小玉和貴,田中裕人,中藤良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

両耳受聴における時間差・音圧差の違いが単語了解度に与える影響の検討

藤原 良太, 田中 裕人, 中藤 良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

視覚障碍者のための重要単語を用いたWeb読み上げ方法の検討

三澤匠，田中裕人，中藤良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

超音波を用いた接近車両検出システムの検討

古野慎弥, 田中 裕人, 中藤 良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

パワー補正したLPC残差を用いる代替発声歌唱法の音質改良

姫野剛至、田中裕人、水町光徳、中藤良久、松井謙二

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

音楽聴取における聴力損失防止のための音量制限の検討

東 照久, 田中 裕人, 中藤 良久

日本音響学会九州支部第11回学生のための研究発表会  日本音響学会

聴能訓練が高齢者の語音明瞭度に与える影響の検討

浅山慎一郎，田中裕人，中藤良久

電気・情報関係学会九州支部第68回連合大会  電気・情報関係学会九州支部

パワー補正したLPC残差を用いる代替発声歌唱法の音質改善

姫野剛至、田中裕人、水町光徳、中藤良久、松井謙二

電気・情報関係学会九州支部第68回連合大会  電気・情報関係学会九州支部

両耳受聴における時間差・音圧差が単語了解度に与える影響の検討

藤原 良太, 田中 裕人, 中藤 良久

日本音響学会2015年秋季研究発表会  日本音響学会

ハンズフリー発声支援システムに関する基礎検討

木村 建太，松井 謙二，中藤 良久，加藤 弓子

日本音響学会2015年秋季研究発表会  日本音響学会

高齢者における聴能訓練による音声聞き取り改善効果の検討

浅山慎一郎，田中裕人，中藤良久

日本音響学会2015年秋季研究発表会  日本音響学会

音楽聴取における聴力保護のための音量制限の検討

東 照久, 田中 裕人, 中藤 良久

日本音響学会2015年秋季研究発表会  日本音響学会

TV映像におけるオノマトペ字幕付与に関する検討

小玉和貴,田中裕人,中藤良久

電子情報通信学会2015年ソサイエティ大会  電子情報通信学会

認知症高齢者に向けた立体音響によるヒーリング効果の予備検討

澤田知良,田中裕人,中藤良久

産業応用工学会全国大会2015  産業応用工学会

マスキングを用いた周囲騒音による不快感の軽減

桑山晃介, 田中裕人, 中藤良久

産業応用工学会全国大会2015  産業応用工学会

A-17-5 Study of the approach vehicle detection by the supersonic wave

Furuno Yoshihiro, Tanaka Yuto, Nakatoh Yoshihisa

Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference 

A-10-6 Study of acoustic information captions on TV contents

Kodama Kazuki, Tanaka Yuto, Nakatoh Yoshihisa

Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference 

A-10-5 Study of text reading method using important words on website for visual impaired person

Misawa Takumi, Tanaka Yuto, Nakatoh Yoshihisa

Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference 

D-14-6 Study of Installation Method of Speech Enhancement System

Kimura Kenta, Matsui Kenji, Nakatoh Yoshihisa, Kato Yumiko O.

Proceedings of the IEICE General Conference 

Study of Giving Onomatopoeia Captions on TV

Kodama Kazuki, Tanaka Yuto, Nakatoh Yoshihisa

Proceedings of IIAE Annual Conference 

Preliminary Study on Healing Effect by Binaural Sound for the Dementia Elderly Person

Sawada Kazuyoshi, Tanaka Yuto, Nakatoh Yoshihisa

Proceedings of IIAE Annual Conference 

A Study on Psychological Influence of Masking Sound for Ambient Noise

Kuwayama Kosuke, Tanaka Yuto, Nakatoh Yoshihisa

Proceedings of IIAE Annual Conference 

方向情報を付与した補助音声による音声明瞭性の改善

藤原 良太, 水町 光徳, 中藤 良久

産業応用工学会全国大会2014  産業応用工学会

音源波形の違いが電気喉頭音声に与える影響の検討

屏 貴文,田中 裕人,水町 光徳,中藤 良久,松井 謙二

産業応用工学会全国大会2013  産業応用工学会

高齢者音声の音響的特徴に基づいた明瞭性改善方法の検討

伊賀上 祐彰, 田中 裕人, 水町 光徳, 中藤 良久

産業応用工学会全国大会2014  産業応用工学会

文字入力を用いた発話支援システム実使用時の評価

濱井　裕也, 水町　光徳, 中藤　良久, 松井　謙二

産業応用工学会全国大会2014  産業応用工学会

携帯音楽プレーヤーにおける聴力保護のための音量制限の検討

東 照久, 水町 光徳, 中藤 良久

産業応用工学会全国大会2014  産業応用工学会

高齢者支援のための車両接近音の音響的特徴の解析

古野 慎弥, 水町 光徳, 中藤 良久

産業応用工学会全国大会2014  産業応用工学会

視覚障碍者のための重要単語抽出に基づくWeb ページ読み上げ方法の検討

三澤 匠, 水町 光徳, 中藤 良久

産業応用工学会全国大会2014  産業応用工学会

電気式人工喉頭を用いた歌声の音質改善

姫野 剛至, 屏 貴文, 田中 裕人, 水町 光徳, 中藤 良久, 松井 謙二

産業応用工学会全国大会2014  産業応用工学会

フォルマント周波数の補正に基づく高齢者音声の明瞭性改善

田中 裕人, 伊賀上 祐彰, 水町 光徳, 中藤 良久, 松井謙二

電子情報通信学会ソサイエティ大会2014  電子情報通信学会

音源波形の違いが電気喉頭音声に与える影響の検討

屏 貴文,田中 裕人,水町 光徳,中藤 良久,松井 謙二

産業応用工学会全国大会2014  産業応用工学会

電気喉頭音声の音質改善に関する予備検討

田中裕人,屏貴文,水町光徳,中藤良久

第66回電気関係学会九州支部連合大会 

フォルマント周波数の補正に基づく高齢者音声の明瞭性改善

田中裕人,伊賀上祐彰,水町光徳,中藤良久,松井譲二

電子情報通信学会ソサイエティ大会2014 

発話支援のための予測変換を用いた文字入力方法の検討

濱井　裕也, 水町　光徳, 中藤　良久, 松井　謙二

第１２回情報科学技術フォーラム  情報処理学会

ユーザーの指定する音源位置情報を用いた不要音除去の検討

)野口翼, 中藤良久, 水町光徳

日本音響学会2014年秋季研究発表会  日本音響学会

予測変換を用いた文字入力による発話支援システムの検討

濱井　裕也, 水町　光徳, 中藤　良久, 松井　謙二

日本音響学会2013年秋季研究発表会  日本音響学会

発話支援のための予測変換を用いた文字入力方法の予備検討

濱井　裕也, 中藤　良久

電子情報通信学会2013年総合大会  電子情報通信学会