THE SUB-BAND SOUND WAVE RAY-SPACE REPRESENTATION(International Workshop on Advanced Image Technology 2006)
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概要
- 論文の詳細を見る
3D sound wave representation theory without sound source localization and is proposed in this paper based on the ray-space representation of light rays which is independent of object's specifications, and sub-band signal processing of sound waves. An array of beam-formed dynamic microphone-arrays (MAs), are set and active microphones with correct interval for the given frequency layer captures a multi frequency layer sound-image (SImage) by scanning the viewing range of a camera in the same location, containing blocks of sound wave with a certain duration, and generates a multi frequency layered sound wave ray-space. The geometry compensation is done using the corresponding images in the location of each MA or SImages or their combination, for each frequency layer. Sound of an SImage is generated by averaging the sound wave in each block. After combining each layer sound in frequency domain and inverse transformation to time domain, the desired sound is generated.
- 社団法人電子情報通信学会の論文
- 2006-01-03
著者
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Hirano Yasushi
Information Technology Center, Nagoya University
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Tehrani Mehrdad
Information Technology Center Nagoya University
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Fujii Toshiaki
Graduate School Of Engineering Nagoya University
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Takeda Kazuya
Graduate School Of Information Science Nagoya University
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Mase Kenji
Department Of System And Social Informatics Nagoya University
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Mase Kenji
Information Technology Center Nagoya University
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Kajita Shoji
Information Technology Center, Nagoya University
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Kajita Shoji
Department Of System And Social Informatics Nagoya University
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Tehrani Mehrdad
Graduate School Of Engineering Nagoya University
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Fujii Toshiaki
Graduate School Of Bioresource And Bioenvironmental Sciences Kyushu Unviersity
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Hirano Yasushi
Department Of System And Social Informatics Nagoya University
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Hirano Yasushi
Information Technology Center Nagoya University
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Takeda Kazuya
Graduate School Of Information Science At Nagoya University
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Takeda Kazuya
Graduate School of Engineering, Nagoya University:Center for Integrated Acoustic Information Research, Nagoya University
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TAKEDA Kazuya
Graduate School of Engineering, Nagoya University
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