Art

J-GLOBAL ID：202002250963137088   Reference number：20A0750227

Estimation of direct sound by temporal and spatial extraction of interchannel coherent component

チャネル間コヒーレント成分の時間的および空間的抽出による直接音の推定

Author (3)： Hashimoto Yuta (Oriental Land Co., Ltd.) ,  Goto Yasuto (Graduate School of Science and Engineering for Education, University of Toyama) ,  Ando Akio (Graduate School of Science and Engineering for Research, University of Toyama)
Material： Acoustical Science and Technology (Web)  (Acoust Sci Technol (Web))
Volume： 41  Issue： 1  Page： 449-450(J-STAGE)  Publication year： 2020 
JST Material Number： U0399A  ISSN： 1347-5177  Document type： Article
Article type： 短報  Country of issue： Japan (JPN)  Language： ENGLISH (EN)

Thesaurus term： correlation ,  coherence ,  least squares method ,  band pass filter ,  *speech signal ,  frequency dependence
Semi thesaurus term： *space correlation ,  time correlation ,  *audio signal ,  noise source ,  *TDOA ,  time shift

Author keywords (4)： Spatial correlation ,  Temporal correlation ,  Coherency ,  Least squares method

JST classification (2)： Acoustic signal processing  (BB03050C) ,  Speach processing  (JE05000E)

Reference (3)：

• 1) Y. Hashimoto, H. Tanaka and A. Ando, ``Extraction of interchannel coherent component from 3D multichannel audio,'' Proc. 142th AES Convention, Paper no. 9796 (2017).
• 2) J. P. Princen and A. B. Bradley, ``Analysis/synthesis filter bank design based on time domain aliasing cancellation,'' IEEE Trans. Acoust. Speech Signal Process., ASSP34, 1153-1161 (1986).
• 3) ISO/IEC JTC1/SC29/WG11 standard, ``Text of ISO/IEC 13818-7:2005 (MPEG-2 AAC 4th edition),'' ISO/IEC JTC1/SC29/WG11, N7126 (2005).

Terms in the title (3)： チャネル ,  コヒーレント ,  推定