Hitoshi Ohmuro

According to our database, Hitoshi Ohmuro authored at least 30 papers between 1993 and 2017.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2017

Informative Acoustic Feature Selection to Maximize Mutual Information for Collecting Target Sources.

Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Hitoshi Ohmuro

IEEE ACM Trans. Audio Speech Lang. Process., 2017

Noise suppressing microphone array for highly noisy environments using power spectrum density estimation in beamspace.

Shoichiro Saito, Kazunori Kobayashi, Tomoko Kawase, Hitoshi Ohmuro

Proceedings of the IEEE International Conference on Consumer Electronics, 2017

2016

Integrated approach of feature extraction and sound source enhancement based on maximization of mutual information.

Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Hitoshi Ohmuro

Proceedings of the 2016 IEEE International Conference on Acoustics, 2016

2015

Low-complexity dereverberation for hands-free audio conferencing unit.

Masahiro Fukui, Kazunori Kobayashi, Suehiro Shimauchi, Yusuke Hioka, Hitoshi Ohmuro

IEEE Trans. Consumer Electron., 2015

Informative acoustic feature selection on microphone array wiener filtering for collecting target source on sports ground.

Yuma Koizumi, Kenta Niwa, Yusuke Hioka, Kazunori Kobayashi, Hitoshi Ohmuro

Proceedings of the 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2015

Wiener filter design by estimating sensitivities between distributed asynchronous microphones and sound sources.

Tatsuya Kako, Kenta Niwa, Kazunori Kobayashi, Hitoshi Ohmuro

Proceedings of the 2015 IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2015

Hands-free audio conferencing unit with low-complexity dereverberation.

Masahiro Fukui, Kazunori Kobayashi, Suehiro Shimauchi, Yusuke Hioka, Hitoshi Ohmuro

Proceedings of the IEEE International Conference on Consumer Electronics, 2015

2014

Acoustic echo canceller software for voip hands-free application on smartphone and tablet devices.

Masahiro Fukui, Suehiro Shimauchi, Kazunori Kobayashi, Yusuke Hioka, Hitoshi Ohmuro

IEEE Trans. Consumer Electron., 2014

Adaptive Spectral Masking of AVQ Coding and Sparseness Detection for ITU-T G.711.1 Annex D and G.722 Annex B Standards.

Masahiro Fukui, Shigeaki Sasaki, Yusuke Hiwasaki, Kimitaka Tsutsumi, Sachiko Kurihara, Hitoshi Ohmuro, Yoichi Haneda

IEICE Trans. Inf. Syst., 2014

STSP: Space-time stretched pulse for measuring spatio-temporal impulse response.

Shoichi Koyama, Prakhar Srivastava, Ken'ichi Furuya, Suehiro Shimauchi, Hitoshi Ohmuro

Proceedings of the 14th International Workshop on Acoustic Signal Enhancement, 2014

Wave-domain canceling of residual echo with subspace tracking.

Satoru Emura, Hitoshi Ohmuro

Proceedings of the 14th International Workshop on Acoustic Signal Enhancement, 2014

Accurate adaptive filtering in square-root Hann windowed short-time fourier transform domain.

Suehiro Shimauchi, Hitoshi Ohmuro

Proceedings of the IEEE International Conference on Acoustics, 2014

Sparse sound field representation in recording and reproduction for reducing spatial aliasing artifacts.

Shoichi Koyama, Suehiro Shimauchi, Hitoshi Ohmuro

Proceedings of the IEEE International Conference on Acoustics, 2014

2013

Wave-domain echo-path model with aliasing for echo cancellation.

Satoru Emura, Yusuke Hiwasaki, Hitoshi Ohmuro

Proceedings of the IEEE Workshop on Applications of Signal Processing to Audio and Acoustics, 2013

Acoustic scene analysis based on latent acoustic topic and event allocation.

Keisuke Imoto, Yasunori Ohishi, Hisashi Uematsu, Hitoshi Ohmuro

Proceedings of the IEEE International Workshop on Machine Learning for Signal Processing, 2013

User activity estimation method based on probabilistic generative model of acoustic event sequence with user activity and its subordinate categories.

Keisuke Imoto, Suehiro Shimauchi, Hisashi Uematsu, Hitoshi Ohmuro

Proceedings of the 14th Annual Conference of the International Speech Communication Association, 2013

Adaptive filtering exploiting band-limited property of sound field in the wave domain.

Satoru Emura, Yusuke Hiwasaki, Hitoshi Ohmuro

Proceedings of the IEEE International Conference on Acoustics, 2013

Acoustic echo reduction robust against echo-path change with instant echo-power-level adjustment.

Masahiro Fukui, Suehiro Shimauchi, Yusuke Hioka, Hitoshi Ohmuro, Yoichi Haneda

Proceedings of the 21st European Signal Processing Conference, 2013

2009

RTP Payload Format for mU-law EMbedded Codec for Low-delay IP Communication (UEMCLIP) Speech Codec.

Yusuke Hiwasaki, Hitoshi Ohmuro

RFC, October, 2009

ITU-T G.711.1: extending G.711 to higher-quality wideband speech.

Yusuke Hiwasaki, Hitoshi Ohmuro

IEEE Commun. Mag., 2009

2008

A wideband speech and audio coding candidate for ITU-T G.711WBE standardization.

Yusuke Hiwasaki, Takeshi Mori, Shigeaki Sasaki, Hitoshi Ohmuro, Akitoshi Kataoka

Proceedings of the IEEE International Conference on Acoustics, 2008

G.711.1: A wideband extension to ITU-T G.711.

Yusuke Hiwasaki, Shigeaki Sasaki, Hitoshi Ohmuro, Takeshi Mori, Jongmo Seong, Mi Suk Lee, Balázs Kövesi, Stéphane Ragot, Jean-Luc Garcia, Claude Marro, Lei Miao, Jianfeng Xu, Vladimir Malenovsky, Jimmy Lapierre, Roch Lefebvre

Proceedings of the 2008 16th European Signal Processing Conference, 2008

2006

A G.711 Embedded Wideband Speech Coding for VoIP Conferences.

Yusuke Hiwasaki, Hitoshi Ohmuro, Takeshi Mori, Sachiko Kurihara, Akitoshi Kataoka

IEICE Trans. Inf. Syst., 2006

2002

A 5-kHz-bandwidth low-bit-rate speech coder: Bandwidth, noisiness, and opinion scores.

Noboru Harada, Hitoshi Ohmuro, Kazunori Mano

Syst. Comput. Jpn., 2002

1996

Dual-Pulse CS-CELP: a toll-quality low-complexity speech coder at 7.8 kbit/s.

Hitoshi Ohmuro, Jotaro Ikedo, Takehiro Moriya, Akitoshi Kataoka, Shinji Hayashi, Kazunori Mano

Proceedings of the 1996 IEEE International Conference on Acoustics, 1996

1995

Design of a Pitch Synchronous Innovation CELP Coder for Mobile Communications.

Kazunori Mano, Takehiro Moriya, Satoshi Miki, Hitoshi Ohmuro, Kazunaga Ikeda, Jotaro Ikedo

IEEE J. Sel. Areas Commun., 1995

1994

Variable bit-rate speech coding based on PSI-CELP.

Hitoshi Ohmuro, Kazunori Mano, Takehiro Moriya

Proceedings of the 3rd International Conference on Spoken Language Processing, 1994

A pitch synchronous innovation CELP (PSI-CELP) coder for 2-4 kbit/s.

Satoshi Miki, Kazunori Mano, Takehiro Moriya, Kumiko Oguchi, Hitoshi Ohmuro

Proceedings of ICASSP '94: IEEE International Conference on Acoustics, 1994

1993

Training method of the excitation codebook for CELP.

Takehiro Moriya, Satoshi Miki, Kazunori Mano, Hitoshi Ohmuro

Proceedings of the Third European Conference on Speech Communication and Technology, 1993

Pitch synchronous innovation CELP (PSI-CELP).

Satoshi Miki, Kazunori Mano, Hitoshi Ohmuro, Takehiro Moriya

Proceedings of the Third European Conference on Speech Communication and Technology, 1993