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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 18 of 18  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA, ASJ-H 2020-08-07
13:25
Online Online Suppression of multiple noises with different directions of arrival using instantaneous spectrum subtraction
Koki Takenaka, Kenji Ozawa (Grad School, Univ. of Yamanashi) EA2020-15
Studies on noise suppression using a microphone array and neural networks (NN) have been conducted. In this study, the o... [more] EA2020-15
pp.9-14
EA, ASJ-H 2019-08-09
11:00
Miyagi Tohoku Univ. Study on Noise Suppression by Differential-type Microphone Array and Machine Learning of 2D Spectrum
Koichiro Shiozawa, Kenji Ozawa (Univ. Yamanashi), Tomohiko Ise (AlpsAlpine) EA2019-31
This project aims to achieve noise suppression by processing of the output of a microphone array with an artificial neur... [more] EA2019-31
pp.53-58
EA, ASJ-H, EMM, IPSJ-MUS [detail] 2018-11-21
13:30
Ishikawa Hotel Koshuen A Study on Sound Source Separation Using Spatio-temporal Sound Pressure Distribution Images and Machine Learning
Koichiro Shiozawa, Kenji Ozawa (Univ. Yamanashi), Tomohiko Ise (Alpine) EA2018-67 EMM2018-67
Sound source separation using a microphone array is effective in various situations such as sound source separation in a... [more] EA2018-67 EMM2018-67
pp.25-30
EA, ASJ-H 2018-08-23
13:45
Miyagi Tohoku Gakuin Univ. Study on sound source separation by spectral subtraction based on instantaneous estimation of noise spectrum
Kenji Ozawa, Masanori Morise (Univ. of Yamanashi), Shuichi Sakamoto (Tohoku Univ.)
This project aims to achieve sound source separation based on the two-dimensional fast Fourier trans- form (2D FFT) of a... [more] EA2018-31
pp.19-24
EMM 2018-01-29
14:00
Miyagi Tohoku Univ. (Aobayama Campus) Study on restoration of a spatio-temporal sound pressure distribution image obtained with a microphone array
Kenji Ozawa, Masaaki Ito, Genya Shimizu, Eri Takizawa, Masanori Morise (Univ. Yamanashi), Shuichi Sakamoto (Tohoku Univ.) EMM2017-66
This project aims to achieve sound source separation by two-dimensional fast Fourier transform (2D-FFT) of a spatio-temp... [more] EMM2017-66
pp.1-6
EMM 2017-01-31
13:30
Miyagi Tohoku University (Miyagi) Study on the basic properties of a micro-spaced microphone array
Genya Shimizu, Kenji Ozawa, Masaaki Ito, Masanori Morise (Univ. Yamanashi), Shuichi Sakamoto (Tohoku Univ.) EMM2016-85
Microphone arrays have been used to separate sound sources to improve speech recognition in a noisy environment. We prop... [more] EMM2016-85
pp.67-72
EA, ASJ-H 2015-08-04
10:00
Miyagi Tohoku Univ., Research Inst. of Electrical Communication On Development of an Estimation Model for Instantaneous Presence in Audio-visual Content
Shota Tsukahara, Kenji Ozawa, Yuichiro Kinoshita, Masanori Morise (Univ. Yamanashi)
The sense of presence is often used to evaluate the performances of audio-visual (AV) content and systems. However, a pr... [more] EA2015-17
pp.41-46
SP 2014-11-14
09:00
Fukuoka Kyushu Univ. Chikushi Campus Influence of the phase of voiced sound in source-filter speech synthesis on nerve cell responses in the auditory cortex -- A study based on nerve cell responses in the primary auditory cortex of an awake cat --
Masanori Morise, Kaito Okubo, Sohei Chimoto, Yu Sato, Kenji Ozawa (Univ. of Yamanashi) SP2014-97
 [more] SP2014-97
pp.41-46
EA 2014-08-20
11:30
Miyagi Tohoku Gakuin Univ. Simulation of nerve cell responses in the primary auditory cortex of awake cats by an auditory functional model using GPGPU. -- Verification with tonic and phasic cell responses --
Kazuyuki Sano, Masanori Morise, Kenji Ozawa, Yu Sato, Sohei Chimoto (Univ. of Yamanashi) EA2014-22
 [more] EA2014-22
pp.59-64
SP 2014-01-23
15:30
Aichi Meijo Univ. Fundamental study of speaker identification by the peripheral auditory model and deep neural network
Masanori Morise, Kenji Ozawa (Univ. of Yamanashi) SP2013-97
 [more] SP2013-97
pp.7-12
SP 2014-01-24
14:30
Aichi Meijo Univ. A study of effective features for controlling the auditory impression based on voice morphing
Masanori Morise, Satoshi Tsuzuki (Univ. of Yamanashi), Hideki Banno (Meijo Univ.), Kenji Ozawa (Univ. of Yamanashi) SP2013-105
 [more] SP2013-105
pp.55-60
EA 2013-08-09
16:50
Miyagi Tohoku University A study on an estimation model of sound envelopment based on binaural information
Kazuki Watanabe (Univ. of Yamanashi), Ikuko Sawaya, Satoshi Oode (NHK), Kazuho Ono (NHK-ES), Akio Ando (NHK), Kenji Ozawa (Univ. of Yamanashi) EA2013-63
This study examined a computational model to estimate the sense of sound envelopment.
In our previous study,a model for... [more]
EA2013-63
pp.63-68
EA 2012-08-02
11:20
Miyagi Tohoku Gakuin University Modeling of the Effects of Audio Reproduction Methods on the Sense of Presence in Audio-Visual Content
Masashi Obinata, Kenji Ozawa, Yuichiro Kinoshita (Univ. of Yamanashi) EA2012-61
 [more] EA2012-61
pp.43-48
EA 2012-07-19
14:00
Hokkaido Health Sci. Univ. of Hokkaido Three-Dimensional Loudspeaker Arrangement for Creating Sound Envelopment
Satoshi Oode, Ikuko Sawaya, Kazuho Ono (NHK STRL), Kenji Ozawa (Univ. of Yamanashi) EA2012-46
The multichannel audio formats whose loudspeaker arrangements are vertically expanded to improve the spatial impression ... [more] EA2012-46
pp.7-12
EA 2011-08-09
17:00
Miyagi RIEC, Tohoku Univ. Estimation of a sound image flow using a moving image processing technique
Kodai Saito, Kenji Ozawa, Yuichiro Kinoshita (Univ. Yamanashi), Satoshi Oode, Akio Ando (NHK) EA2011-57
Movement of a sound image is an essential factor for perceiving the sense of presence from audio content. This study pro... [more] EA2011-57
pp.43-48
EA 2008-12-05
14:00
Fukushima   [Invited Talk] Basic Properties of Auditory Presence -- Content Presence vs. System Presence --
Kenji Ozawa (Univ. of Yamanashi) EA2008-115
The auditory presence of a reproduced sound depends on its content and the characteristics of the system used. In this s... [more] EA2008-115
pp.83-88
EA 2006-08-09
14:30
Miyagi   An effect of individualization of interaural level difference in sound localization
Kanji Watanabe, Kenji Aso, Kenji Ozawa (Univ. of Yamanashi), Yukio Iwaya, Yo-iti Suzuki (Tohoku Univ.)
Individualization of Head-Related Transfer Functions (HRTFs) is important for high-accuracy sound localization systems s... [more] EA2006-39
pp.29-34
EE 2005-09-09
15:45
Tokyo Kikai-Shinko-Kaikan Bldg. Electronic Choke Coil for Power Source/Load on Wire Communication System
Katsuaki Murata (Sojo Univ.), Kenji Ozawa, Nobuo Hamada (Ariake NCT), Yuusuke Honda (Buntoku High School)
Coaxial cable and twisted pair cable on wire communication system carry high frequency signals and DC power. Choke coils... [more] EE2005-36
pp.25-28
 Results 1 - 18 of 18  /   
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