Title:
音源分離装置、音源分離プログラム及び音源分離方法
Document Type and Number:
Japanese Patent JP4496186
Kind Code:
B2
Abstract:
A sound source separation apparatus, includes: a plurality of sound input means into which a plurality of mixed sound signals in which sound source signals from a plurality of sound sources superimpose each other are input; first sound source separating means for separating and extracting SIMO signals corresponding to at least one sound source signal from the plurality of mixed sound signals by means of a sound source separation process of a blind source separation system based on an independent component analysis method; intermediate processing executing means for obtaining a plurality of intermediately processed signals by carrying out a predetermined intermediate processing including one of a selection process and a synthesizing process to a plurality of specified signals which is at least a part of the SIMO signals, for each of frequency components divided into a plurality; and second sound source separating means for obtaining separation signals corresponding to the sound source signals by applying a binary masking process to the plurality of intermediately processed signals or a part of the SIMO signals and the plurality of intermediately processed signals.
Inventors:
Takayuki Hikata
Takashi Morita
Hiroshi Saruwatari
Yasumitsu Mori
Takashi Morita
Hiroshi Saruwatari
Yasumitsu Mori
Application Number:
JP2006241861A
Publication Date:
July 07, 2010
Filing Date:
September 06, 2006
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
Nara Institute of Science and Technology
Nara Institute of Science and Technology
International Classes:
G10L21/0308; G10L21/0272; G10L21/028
Domestic Patent References:
| JP2005031169A | ||||
| JP2005091560A | ||||
| JP2001051689A |
Foreign References:
| WO2005024788A1 |
Other References:
森康充他,”SIMOモデルに基づくICAとバイナリ・マスク処理を組み合わせたブラインド音源分離”,電子情報通信学会技術研究報告,Vol.104,No.497,EA2004-115(2004-12),pp.71-76
森康充他,”SIMO-ICAとバイナリマスク処理を組み合わせた2段型リアルタイムブラインド音源分離”,人工知能学会研究会資料,SIG-Challenge-0522-4(2005-10),pp.23-28
森康充他,”SIMO-ICAとバイナリマスク処理を組み合わせた2段型リアルタイムブラインド音源分離”,人工知能学会研究会資料,SIG-Challenge-0522-4(2005-10),pp.23-28
Attorney, Agent or Firm:
Takeo Honjo