NAISTAR
Advanced Search
Japanese | English

naistar (NAIST Academic Repository) >
学術リポジトリ naistar / NAIST Academic Repository naistar >
国際会議発表論文 / Proceedings >
情報科学研究科 / Graduate School of Information Science >

Please use this identifier to cite or link to this item: http://hdl.handle.net/10061/8019

Title: Blind Detection of CLT Disobeying Frequency Bind for Audio Source Separation by Fixed-Point ICA
Authors: Raj Kishore Prasad
Hiroshi Saruwatari
Kiyohiro Shikano
Issue Date: Apr-2004
Start page: IV3151
End page: IV3154
Abstract: This paper peeps into the problem of disobeyance of Central Limit Theorem (CLT) by the Time-Frequency Series of the Speech (TFSS) data. For the blind separation algorithms, based on the non-gaussianization of mixed signal e.g. signal separation by negentropy or kurtosis maximization, such behavior by TFSS is problematic in the sense that it is against the working spirit of algorithm. The detection of such CLT failure bin is important. This paper describes (explores) such failure in depth and prescribes a blind method, based on the statistics TFSS that can detect 70-75% of the CLT disobeying frequency bins. The proposed method is blind in the sense that it relies only on the statistics of observed data.
Description: ICA2004: 18th International Congress on Acoustics, April 4-9, 2004, Kyoto, Japan.
URI: http://hdl.handle.net/10061/8019
Text Version: Publisher
Appears in Collections:情報科学研究科 / Graduate School of Information Science

Files in This Item:

File SizeFormat
ICA_2004_IV3151.pdf602.28 kBAdobe PDFView/Open

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Copyright (c) 2007-2012 Nara Institute of Science and Technology All Rights Reserved.
DSpace Software Copyright © 2002-2010  Duraspace - Feedback