Signal Processing Research Group | NTT Communication Science Laboratories | NTT R&D Website
Digital Signal Processing technology, we are researching speech recognition technology, acoustic signal
https://www.rd.ntt/e/cs/team_project/media/signal/
Tomohiro Nakatani | NTT R&D Website
/center/dept Audio and speech signal processing for capturing and recognition of human conversations The
https://www.rd.ntt/e/organization/researcher/superior/s_012.html
信号処理研究グループ|NTTコミュニケーション科学基礎研究所|NTT R&D Website
Boeddeker & Tsubasa Ochiai (2024). Microphone Array Signal Processing and Deep Learning for Speech
https://www.rd.ntt/cs/team_project/media/signal/
Media Information Laboratory | NTT Communication Science Laboratories | NTT R&D Website
). Microphone Array Signal Processing and Deep Learning for Speech Enhancement: Combining model-based and data
https://www.rd.ntt/e/cs/team_project/media/
Speech information processing | NTT R&D Website
processing technology handles speech as signal data for analysis and processing, such as recognition and
https://www.rd.ntt/e/hil/category/voice/
Speech and Audio Signal Modeling | NTT Communication Science Laboratories | NTT R&D Website
speech signal processing problems, including speech analysis, synthesis, modification, coding, and
https://www.rd.ntt/e/cs/team_project/media/recognition/research_media03.html
Marc Delcroix | NTT R&D Website
Communication Science LaboratoriesMore researchers belonging to the lab/center/dept Speech signal processing for
https://www.rd.ntt/e/organization/researcher/special/s_033.html
0085.pdf
,” IEEE Trans. Acoustics, Speech and Signal Processing, vol. 27, pp. 113–120, 1979. [2] M. Berouti, R
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0085.pdf
メディア情報研究部|NTTコミュニケーション科学基礎研究所|NTT R&D Website
Boeddeker & Tsubasa Ochiai (2024). Microphone Array Signal Processing and Deep Learning for Speech
https://www.rd.ntt/cs/team_project/media/
中谷 智広 | NTT R&D Website
Workshop on Acoustic Signal Enhancement (IWAENC) Best Paper Award 2017年 前島密賞 2015年 IEEE Automatic Speech
https://www.rd.ntt/organization/researcher/superior/s_012.html
Hirokazu Kameoka | NTT R&D Website
Award Finalist at 2005 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP
https://www.rd.ntt/e/organization/researcher/superior/s_025.html
音声情報処理 | NTT R&D Website
-based ASR" , In Proc. International Conference on Acoustics, Speech, and Signal Processing (ICASSP
https://www.rd.ntt/hil/category/voice/
Computational Modeling Research Group | NTT Communication Science Laboratories | NTT R&D Website
TO ASSESS SUBJECTIVE IMPRESSIONS CONVEYED THROUGH SPEECH. European Signal Processing Conference
https://www.rd.ntt/e/cs/team_project/media/computational_modeling/
NTT Communication Science Laboratories Open House 2013 Speech separation with collaborative recorders - Probabilistic fusion of different recording devices -
Acoustic, Speech and Signal Processing (ICASSP), (to appear), 2013. M. Souden, K. Kinoshita, M. Delcroix, T
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/media5/index_en.html
Recognition Research Group | NTT Communication Science Laboratories | NTT R&D Website
on Acoustics, Speech and Signal Processing (ICASSP). Seoul, Korea. Takuhiro kaneko (2024). Improving
https://www.rd.ntt/e/cs/team_project/media/recognition/
poster_en17.pdf
Conference on Acoustic, Speech and Signal Processing (ICASSP), 2013. [2] M. Souden, K. Kinoshita, T. Nakatani
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/media5/poster_en17.pdf
事象モデリング研究グループ|NTTコミュニケーション科学基礎研究所|NTT R&D Website
). LEARNING TO ASSESS SUBJECTIVE IMPRESSIONS CONVEYED THROUGH SPEECH. European Signal Processing Conference
https://www.rd.ntt/cs/team_project/media/computational_modeling/
Abstracts of plenary talks
dissemination of mobile communications, speech processing systems must be made robust with respect to
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/plenary_abst.html
poster_en_21.pdf
our speech processing technologies developed for conversational speech recognition. Specifically, our
https://www.rd.ntt/cs/event/openhouse/2017/exhibition/21/poster_en_21.pdf
NTT Communication Science Laboratories Open House 2013
modeling approach to speech and audio signal processing - Hirokazu Kameoka, Media Information Laboratory
https://www.rd.ntt/cs/event/openhouse/2013/talk/research4/index_en.html
AI Hears Your Voice as if It Were Right Next to You-Audio Processing Framework for Separating Distant Sounds with Close-microphone Quality | NTT R&D Website
-microphone quality speech and noise must satisfy. It can then enable overall optimum processing by optimizing
https://www.rd.ntt/e/research/JN202208_19141.html
Listening to human speech in noisy reverberant environments | NTT Communication Science Laboratories | NTT R&D Website
Information Laboratory Signal Processing Research Group Listening to human speech in noisy reverberant
https://www.rd.ntt/e/cs/team_project/media/signal/research_media06.html
F04_leaf_e.pdf
Background The signal processing that separates and extracts the voice of a target speaker from an
https://www.rd.ntt/forum/2023/doc/F04_leaf_e.pdf
Speech Recognition for Computers | NTT Communication Science Laboratories | NTT R&D Website
Processing Research Group Signal Processing Research Group > Speech Recognition for Computers Speech
https://www.rd.ntt/e/cs/team_project/media/signal/research_media05.html
kalman.dvi
corrupted speech signal with an additive noise is the only information available for processing. Kalman
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0012.pdf
Kenta Niwa | NTT R&D Website
International Conference on Acoustics, Speech and Signal Processing (ICASSP 2019), pp. 4609-4613, 2019. Kenta
https://www.rd.ntt/e/organization/researcher/special/s_061.html
WPE speech dereverberation
reverberation for automatic speech recognition," IEEE Signal Processing Magazine, vol. 29, no. 6, pp. 114-126
https://www.rd.ntt/cs/team_project/media/signal/wpe/references.html
Hiroshi Sawada | NTT R&D Website
accumulated according to real-world phenomena. In this page Awards 2022 IEEE Signal Processing Society
https://www.rd.ntt/e/organization/researcher/superior/s_007.html
"Speech Enhancement based on Linear Prediction Error Signals and Spectral Subtraction"
., “Enhancement of Reverberant Speech Using LP Residual Signal”, IEEE Trans, on Speech and Audio Processing, Vol
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0077.pdf
0037.pdf
ABSTRACT A speech enhancement scheme is presented integrating spatial and temporal signal processing
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0037.pdf
0064.pdf
International Confer- ence on Acoustics, Speech and Signal Processing (ICASSP), Orlando, FL, USA, May 2002, vol
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0064.pdf
0055.pdf
assumption, in accordance with the Central Limit Theorem (CLT), that the gaussianity of mixed speech signal
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0055.pdf
Media Information Laboratory Past news | NTT Communication Science Laboratories | NTT R&D Website
: A case study of far-field automatic speech recognition” has been published in IEEE Signal Processing
https://www.rd.ntt/e/cs/team_project/media/past_news.html
0009.pdf
Advanced Brain Signal Processing, BSI RIKEN, 2-1, Hirosawa, Wakoh-City, Saitama 351-0198, Japan
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0009.pdf
NTT Communication Science Laboratories Open House 2017
Exhibition Program 21 Turn-taking matters in conversation recognition Robust speech processing using speakers
https://www.rd.ntt/cs/event/openhouse/2017/exhibition/21/index_en.html
main.dvi
Masahiro FURUKAWA, Yusuke HIOKA, Takuro EMA and Nozomu HAMADA Signal Processing Lab., School of Integrated
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0045.pdf
NTT Communication Science Laboratories Open House 2019
Acoustics, Speech, and Signal Processing (ICASSP), 2019. Poster Please click the icon to open the full-size
https://www.rd.ntt/cs/event/openhouse/2019/exhibition16/index_en.html
0005.pdf
to speech,” IEEE Trans. Signal Processing, vol. 49, no. 8, pp. 1614–1626, August 2001. [3] B. Widrow
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0005.pdf
0001.pdf
ON THE APPLICATION OF THE UNSCENTED KALMAN FILTER TO SPEECH PROCESSING Sharon Gannot Faculty of
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0001.pdf
Marc Delcroix | NTT R&D Website
Acoustics, Speech, and Signal Processing (ICASSP'18), April 2018. Delcroix, M., Hikichi, T. and Miyoshi, M
https://www.rd.ntt/organization/researcher/special/s_033.html
0082.pdf
,” IEEE Trans. Acous- tics, Speech and Signal Processing, vol. 28, pp. 137–145, December 1980. [2] Y
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0082.pdf
poster_en_17.pdf
intelligible native-like speech. We take a signal processing-based approach using our recently developed model
https://www.rd.ntt/cs/event/openhouse/2017/exhibition/17/poster_en_17.pdf
スライド 1
Acoustics, Speech, and Signal Processing (ICASSP), 2019. Speech Recognition Semi-supervised training method
https://www.rd.ntt/cs/event/openhouse/2019/download/16_c_en.pdf
メディア認識研究グループ|NTTコミュニケーション科学基礎研究所|NTT R&D Website
Conference on Acoustics, Speech and Signal Processing (ICASSP). Seoul, Korea. Takuhiro kaneko (2024
https://www.rd.ntt/cs/team_project/media/recognition/
丹羽 健太 | NTT R&D Website
Splitting", In Proceeding of IEEE International Conference on Acoustics, Speech and Signal Processing
https://www.rd.ntt/organization/researcher/special/s_061.html
スライド 1
Proc. IEEE International Conference on Acoustics, Speech & Signal Processing (ICASSP), pp. 5064-5068
https://www.rd.ntt/cs/event/openhouse/2019/download/17_c_en.pdf
澤田 宏 | NTT R&D Website
します。 目次 表彰 2022年 IEEE Signal Processing Society Distinguished Lecturer 2021年 APSIPA Sadaoki Furui Prize
https://www.rd.ntt/organization/researcher/superior/s_007.html
WPE speech dereverberation
speech recognition to prevent the prediction filter from distorting your target signal or amplifying
https://www.rd.ntt/cs/team_project/media/signal/wpe/config.html
NTT Communication Science Laboratories Open House 2019
Conference on Acoustics, Speech & Signal Processing (ICASSP), pp. 5064-5068, 2018. [2] T. von Neuman, K
https://www.rd.ntt/cs/event/openhouse/2019/exhibition17/index_en.html
メディア情報研究部 過去のニュース|NTTコミュニケーション科学基礎研究所|NTT R&D Website
speech enhancement with self-supervised representation space loss」が、論文誌Frontiers in Signal Processingに掲載
https://www.rd.ntt/cs/team_project/media/past_news.html
main.dvi
Acoustics, Speech and Signal Processing, Vol.33, No.4, pp.823-831, 1985. [3] M. Omologo and P. Svaizer, “Use
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0021.pdf
Biomedical Informatics Research Group | NTT Communication Science Laboratories | NTT R&D Website
Audio, Speech, and Language Processing (IEEE/ACM TASLP), 32, 2391-2406. Peer-reviewed Conference Papers
https://www.rd.ntt/e/cs/team_project/media/biomedical_informatics/
0008.pdf
Advanced Brain Signal Processing, BSI RIKEN, 2-1, Hirosawa, Wakoh-City, Saitama 351-0198, Japan� Department
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0008.pdf
NTT Communication Science Laboratories Open House 2016
and signal processing that are making speech recognition leap forward - Takuya Yoshioka, Media
https://www.rd.ntt/cs/event/openhouse/2016/talk/research1/index_en.html
poster_en18.pdf
simple processing layers. Using these technologies, we are investigating a robust speech recognizer that
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/media6/poster_en18.pdf
iwaenc2003-3.dvi
detecting time regions in which signal-to-reverberation ratios become small, and attenu- ating speech
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0049.pdf
雑音・残響の中で聞き取る―超高品質音声強調|NTTコミュニケーション科学基礎研究所|NTT R&D Website
-Function-Based Independent Vector Extraction," IEEE Transactions on Signal Processing, vol. 69, pp. 3252
https://www.rd.ntt/cs/team_project/media/signal/research_signal01.html
0074.pdf
sources of specific local noise. 2.1. Signal predictability for speech enhancement The significant
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0074.pdf
Main Topics | NTT Communication Science Laboratories | NTT R&D Website
. Buru-Navi Sports Brain Science Media Information Science Media Search Speech and Audio Signal Modeling
https://www.rd.ntt/e/cs/research_topic/
program_for_web.pdf
procedure to reduce microphone sensitivity to speech plosives via physically-informed signal processing
https://www.rd.ntt/cs/team_project/icl/signal/waspaa2007/program_for_web.pdf
D:\Tagungen\IWAENC_2003\submission\mein_paper.dvi
TELEPHONE SPEECH Ulrich Kornagel Signal Theory, Institute for Communication Technology Darmstadt University
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0009.pdf
亀岡 弘和 | NTT R&D Website
Acoustics, Speech and Signal Processing (ICASSP2005) 2005 第20回 電気通信普及財団 テレコムシステム技術学生賞 2005 情報処理学会 平成17年度 山下
https://www.rd.ntt/organization/researcher/superior/s_025.html
ica_v11.dvi
in advanced statistics and signal processing, and it ap- plies to major fields such as audio
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0118.pdf
0059.pdf
WHITENING PROCESSING FOR BLIND SEPARATION OF SPEECH SIGNALS Yunxin Zhao, Rong Hu, and Satoshi
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0059.pdf
Dr.Takehiro Moriya | NTT R&D Website
Laboratories Research subject:Speech/audio signal processing and coding FellowMore Fellows Basic ResearchMore
https://www.rd.ntt/e/organization/researcher/fellow/f_002.html
0047.pdf
Technology, Department of Telecommunications and Signal Processing, 372 25 Ronneby, Sweden ABSTRACT A novel
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0047.pdf
NTT コミュニケーション科学基礎研究所 オープンハウス2013 録音機器を協調させて目的音声を聞き分けます ~録音ノードからの仮説統合に基づく音声強調~
Signal Processing (ICASSP), (to appear), 2013. M. Souden, K. Kinoshita, M. Delcroix, T. Nakatani
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/media5/
スライド 1
Speaker Beam,” in Proc. of 2018 IEEE International Conference on Acoustics, Speech, and Signal Processing
https://www.rd.ntt/cs/event/openhouse/2018/exhibition/16/poster_en_16.pdf
0039.pdf
. PROBLEM FORMULATION 2.1. LP residual processing - single microphone We consider a clean speech signal, s(n
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0039.pdf
Developing AI that Pays Attention to Who You Want to Listen to: Deep-learning-based Selective Hearing with SpeakerBeam|NTT R&D Website
. It has been the goal of speech-processing researchers to reproduce a human’s selective hearing
https://www.rd.ntt/e/research/JN202107_14481.html
poster_en19.pdf
process,” in Proc. 38th International Conference on Acoustics, Speech, and Signal Processing (ICASSP
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/media7/poster_en19.pdf
proc_toc.pdf
by Shoji Makino and Masato Miyoshi IEEE Japan Council IEEE Kansai Section IEEE Signal Processing
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/proc_toc.pdf
0020.pdf
processing, when the speech signal is corrupted by additive background noise. Spec- tral subtraction [1]-[5
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0020.pdf
IWAENC 2003 Online Proceedings
Rainer Martin, pp.1-6, [PDF] [T-2] The Automatic DJ: An Appealing and Instructive Signal Processing
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/index.htm
0008.pdf
spectral amplitude estima- tor,” IEEE Trans. Acoustics, Speech and Signal Processing, vol. 32, pp. 1109
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0008.pdf
paper_new4.dvi
digital signal processing algo- rithms on a General Purpose Personal Computer (GP-PC) based on the Windows
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0015.pdf
IWAENC03
workshop includes signal processing for speech enhance- ment like through the control of acoustic echo and
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/figure/cfp2003.pdf
IWAENC2003 Program
-03] On the Application of the Unscented Kalman Filter to Speech Processing Sharon Gannot
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/preliminaryprogram.html
生体情報処理研究グループ|NTTコミュニケーション科学基礎研究所|NTT R&D Website
Acoustics, Speech and Signal Processing (ICASSP). Seoul, Korea. Kunio Kashino, Akisato Kimura & Shoji
https://www.rd.ntt/cs/team_project/media/biomedical_informatics/
NTT Communication Science Laboratories Open House 2014
utilized in actual market, and how we expect them to open up new vistas for audio signal processing. Photos
https://www.rd.ntt/cs/event/openhouse/2014/talk/research2/index_en.html
0043.pdf
. The SNRs are calculated un- der the assumption that the speech signal of the undesired speaker is
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0043.pdf
paper.dvi
Reduction,” Proc. IEEE Intl. Conference on Acoustics, Speech, and Signal Processing, pp. 3043-3046, May 1995
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0016.pdf
Microsoft Word - IWANNCE33_final.doc
with Application to Speech Analysis”, IEEE Trans. Signal Processing, vol. 41, pp. 3024–3051, Oct. 1993
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0033.pdf
スライド 1
-robust speech coding,” Proc. IEEE International Conference on Acoustics, Speech and Signal Processing
https://www.rd.ntt/cs/event/openhouse/2020/download/c_16_en.pdf
Microsoft Word - ica_new.doc
on Oral Air Flow During Phonation”, IEEE Trans. on Acoustics, Speech, and Signal Processing, Vol.ASSP
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0182.pdf
スライド 1
change their response. Tsubasa Ochiai Email: cs-openhouse-ml@hco.ntt.co.jp Signal Processing Research
https://www.rd.ntt/cs/event/openhouse/2020/download/c_17_en.pdf
NTT Communication Science Laboratories Open House 2019
Proc. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP2018), April 2018
https://www.rd.ntt/cs/event/openhouse/2019/exhibition20/index_en.html
NTT Communication Science Laboratories Open House 2020
speaker extraction in speech mixtures,” IEEE Journal of Selected Topics in Signal Processing, 2019. Poster
https://www.rd.ntt/cs/event/openhouse/2020/exhibition17/index_en.html
0065.pdf
respect to the microphone signal. The signal processing itself is distributed between dedicated hardware
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0065.pdf
Iwaenc03.dvi
the cancella- tion of the speech signal at the output of the ANC. 2.3. Two-stage adaptive beamformer
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0040.pdf
0067.pdf
convolutive mixtures of speech. Such frequency-appropriate processing is im- possible in time- and frequency
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0067.pdf
Microsoft Word - 3E3495A9-54B4-18FBD3.doc
Microsoft Word - 3E3495A9-54B4-18FBD3.doc A FIXED-POINT ICA ALGORITHM FOR CONVOLUTED SPEECH SIGNAL
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/cdrom/data/0082.pdf
IWAENC, Brandstaetter Kettler.doc
echo below the perception threshold. Additional signal processing (non-linear processor, NLP) is
https://www.rd.ntt/cs/team_project/icl/signal/iwaenc03/cdrom/data/0014.pdf
Science and Technology Are the Collective Wisdom of Our Predecessors. It Is Our Mission-the Researchers of Today-to Make Them Even Better | NTT R&D Website
international conferences, such as International Conference on Acoustics, Speech, and Signal Processing (ICASSP
https://www.rd.ntt/e/research/JN202305_21819.html
NTT Communication Science Laboratories Open House 2020
. IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2018. Poster Please
https://www.rd.ntt/cs/event/openhouse/2020/exhibition16/index_en.html
スライド 1
Acoustics, Speech and Signal Processing (ICASSP 2018), April 2018. [2] A. Ogawa, M. Delcroix, S. Karita, T
https://www.rd.ntt/cs/event/openhouse/2018/exhibition/17/poster_en_17.pdf
NTT Communication Science Laboratories Open House 2019
Acoustics, Speech and Signal Processing (ICASSP 2018), April 2018. [2] Shota Ikawa, Kunio Kashino, “Acoustic
https://www.rd.ntt/cs/event/openhouse/2019/exhibition21/index_en.html
ICA2003 Home
, especially in communication, speech, biomedical signal processing, image processing, data mining, finance
https://www.rd.ntt/cs/team_project/icl/signal/ica2003/home.html
poster_en25.pdf
, Speech, and Signal Processing (ICASSP), 2010. [2] S. Hiroya, T. Kitamura, “Generation of a vocal-tract
https://www.rd.ntt/cs/event/openhouse/2013/exhibition/human4/poster_en25.pdf
NTT Communication Science Laboratories Open House 2017
conversion system that can convert non-native speech into intelligible native-like speech. We take a signal
https://www.rd.ntt/cs/event/openhouse/2017/exhibition/17/index_en.html