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Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 30  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
EA 2018-12-13
13:50
Fukuoka kyushu Univ. Arrangement of control points by genetic algorithm for multiple sound zone generation using multi-point control method
Daisuke Shinjo, Kazuya Yasueda, Akitoshi Kataoka (Ryukoku Univ.)
We consider that the reproduction area and the suppression area are formed at the same time by using multi-point control... [more] EA2018-83
pp.15-20
SIP, EA, SP, MI
(Joint) [detail]
2018-03-19
13:00
Okinawa   [Poster Presentation] The sound spot reproduction by recomposing decomposed signals using multiple loudspeaker arrays
Kazuya Yasueda, Daisuke Shinjo, Akitoshi Kataoka (Ryukoku Univ.)
We propose the sound spot reproduction method that is recomposing sub-signals decomposed input signal on the target spac... [more] EA2017-119 SIP2017-128 SP2017-102
pp.107-110
SP, SIP, EA 2017-03-02
14:40
Okinawa Okinawa Industry Support Center Multiple sound zone generation by using multi-point control method in real environment
Kazuya Yasueda, Daishuke Shinjo, Akitoshi Kataoka (Ryukoku Univ.)
We propose the sound reproduction method that reproducing difference speech in multiple zone by using the sound reproduc... [more] EA2016-143 SIP2016-198 SP2016-138
pp.339-344
EA, EMM 2016-11-18
14:45
Oita Compal Hall (Oita) Speech enhancement in the specific area using information of sound source position
Takuto Yoshimizu, Akitoshi Kataoka (Ryukoku Univ.)
As technology to emphasize the desired signal while to adapt to the noise environment, the beamformer using a microphone... [more] EA2016-65 EMM2016-71
pp.101-106
EA, EMM 2015-11-13
14:00
Kumamoto Kumamoto Univ. Spatial post-filter estimation in environment of multiple noise with different spatial characteristics.
Mizuki Ohno, Akitoshi Kataoka (Ryukoku Univ.)
Beamformer and Wiener post-filter has been proposed as array signal processing technique to emphasize the target signal ... [more] EA2015-37 EMM2015-58
pp.75-80
EA 2015-07-03
10:30
Tokyo The Univ. of Electro-Communications, 80th Anniversary Memorial Hall Diffuse Noise Suppression by Spatial Cross Spectrum Estimation Considering the Overlap of Beam
Mizuki Ohno, Akitoshi Kataoka (Ryukoku Univ.)
As diffuse noise suppression method using a microphone array, the suppression technique using both the beamformer and th... [more] EA2015-3
pp.11-16
EA 2014-12-12
15:40
Ishikawa Satellite Plaza of Kanazawa University [Poster Presentation] A Study on Masking Method in the Outside of the Target Direction by Environmental Sound by Using the Multipoint Control Method
Kazuya Yasueda, Akitoshi Kataoka (Ryukoku Univ.)
The multipoint control method was proposed for sound reproduction to any direction. Although this method can reduce soun... [more] EA2014-45
pp.31-36
EA 2013-03-12
14:30
Saitama KDDI R&D Laboratories Sound reproduction in the limited area using multi point control method and residual decomposition method
Kazuya Yasueda, Akitoshi Kataoka (Ryukoku Univ.)
Multipoint control method is method of playing sound in any direction. Although this method can reduce the sound pressur... [more] EA2012-147
pp.37-42
EA, US
(Joint)
2012-01-26
11:30
Osaka Kansai Univ. Low-articulation of speech outside the target direction by using multi-point control method
Koichi Nomura, Akitoshi Kataoka (Ryukoku Univ.)
Multipoint control method is method of playing sound in any direction.
Although this method can reduce the sound pressu... [more]
EA2011-106
pp.13-18
EA 2010-03-26
13:00
Tokyo   Sound Source Localization with the weighted correlation by using Directional/Diffusive noise
Hironao Nakamura, Akitoshi Kataoka (Ryukoku Univ.)
In this paper, we study sound source localization by using microphone pair under the noisy environment. The proposed met... [more] EA2009-115
pp.1-6
EA 2008-06-27
10:00
Akita Akita Prefectural University Emphasis of sounds in a specific 2-dimentional area using estimated positions of sound sources
Yusuke Hioka (NTT), Kazunori Kobayashi (NTT-AT), Ken'ichi Furuya, Yoichi Haneda (NTT), Akitoshi Kataoka (Ryukoku Univ.)
A method for extracting sound signal from a particular area which is surrounded by multiple ambient noise sources is pro... [more] EA2008-27
pp.7-12
SIP, EA 2008-05-30
11:50
Osaka Kansai Univ. Stereo echo cancellation using MS stereo signals for input signals
Akira Nakagawa, Yoichi Haneda (NTT), Akitoshi Kataoka (Ryukoku Univ.)
The convergence speed of stereo echo cancellation is slower than that of monaural echo cancellation because of the stron... [more] EA2008-22 SIP2008-31
pp.27-32
EA 2008-04-25
14:15
Tokyo National Institute of Information and Communication Technology Combination of dereverberation and noise reduction using noise-constrained inverse filter
Ken'ichi Furuya, Akitoshi Kataoka (NTT)
 [more] EA2008-3
pp.11-16
WIT 2008-03-23
16:10
Fukuoka Kitakyushu Science and Research Park Analysis of Mental Workload of Hearing-Impaired People When Using aAutomatic Speech Recognition for Information Assurance System
Shuhei Orita, Masahide Mizushima, Ken'ichi Furuya, Akitoshi Kataoka (NTT)
 [more] WIT2007-108
pp.103-108
EA 2008-03-07
17:10
Tokyo NTT Musashino R&D Center Noise Power Estimation Based on Noise Ratio in Signal and Its Noise Reduction Performance
Masahiro Fukui, Suehiro Shimauchi, Akira Nakagawa, Yoichi Haneda, Akitoshi Kataoka (NTT Cyber Space Lab.)
Noise power estimation for noisy speech signals is required for noise reduction systems. This paper presents a robust no... [more] EA2007-126
pp.85-90
WIT, TL, SP 2008-01-24
13:00
Shimane Shimane Univ. Evaluation of Mental Workload of Speakers and Menders When Using an Information Assurance System by Automatic Speech Recognition
Masahide Mizushima, Shuhei Orita, Hirokazu Masataki, Ken'ichi Furuya, Akitoshi Kataoka (NTT)
We are developing an automatic speech recognition system used for information assurance at meetings for hearing impaired... [more] TL2007-60 SP2007-155 WIT2007-60
pp.31-36
EA 2007-12-07
11:30
Tokyo NHK Science & Technical Research Laboratories Accurate sound source localization using multiple small microphone arrays and ultrasonic distance measurement
Kazunori Kobayashi, Ken'ichi Furuya, Yoichi Haneda, Akitoshi Kataoka (NTT)
Automatic camera steering systems by using microphone array are used in video conferencing systems. However, detecting t... [more] EA2007-88
pp.13-18
EA 2007-07-27
13:30
Kanagawa   Howling Canceller Based on Sparseness of Speech for Hands-Free System
Kazunori Kobayashi, Ken'ichi Furuya, Yoichi Haneda, Akitoshi Kataoka (NTT)
In hands-free communication system, a voice switch is used for howling cancellation. However, the quality of duplex comm... [more] EA2007-35
pp.1-6
EA 2007-06-29
13:15
Hokkaido Hokkaido Univ. Factor analysis of dereverberated speech quality
Ken'ichi Furuya, Akitoshi Kataoka (NTT)
 [more] EA2007-29
pp.13-18
WIT 2007-03-23
10:45
Aichi Chukyo Univ Speaker's behavior to an automatic speech recognition system used for information assurance at meetings
Masahide Mizushima, Shuhei Orita, Hirokazu Masataki, Ken'ichi Furuya, Akitoshi Kataoka (NTT)
 [more] WIT2006-108
pp.21-26
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