Tetsuya Wakui
Canon Inc.
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Featured researches published by Tetsuya Wakui.
Journal of the Acoustical Society of America | 1998
Tetsuya Wakui
An audio processing apparatus is arranged to be capable of attenuating only an unnecessary wind noise without cutting off the low frequency part of sounds picked up. In the apparatus, a first low frequency band signal and a first high frequency band signal are extracted from a signal obtained by subtracting a delayed right-side audio signal from a received left-side audio signal. A second low frequency band signal and a second high frequency band signal are extracted from a signal obtained by subtracting a delayed left-side audio signal from a received right-side audio signal. An addition signal is formed by adding together the extracted first low frequency band signal and the extracted second low frequency band signal. The extracted first low frequency band signal and the addition signal are added together in an arbitrary variable addition ratio to obtain a first variable addition signal. The extracted second low frequency band signal and the addition signal are also added together in an arbitrary variable addition ratio to obtain a second variable addition signal. The extracted first high frequency band signal is outputted with the first variable addition signal added thereto, while the extracted second high frequency band signal is outputted with the second variable addition signal added thereto.
Archive | 1992
Tetsuya Wakui; Nobutoshi Takayama; Katsuji Yoshimura; Kenichi Nagasawa
Archive | 2008
Tetsuya Wakui
Archive | 1989
Tetsuya Wakui
Archive | 2002
Tetsuya Wakui
Archive | 1986
Tsutomu Fukatsu; Taizou Hori; Toshiyuki Masui; Takashi Kobayashi; Tetsuya Wakui; Koji Takahashi
Archive | 2006
Tetsuya Wakui
Archive | 1989
Tsutomu Fukatsu; Taizou Hori; Toshiyuki Masui; Takashi Kobayashi; Tetsuya Wakui; Koji Takahashi
Archive | 1989
Tetsuya Wakui
Archive | 1992
Koji Tajima; Tetsuya Wakui