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Approximating Negentropy of Time-Frequency Series of Speech for Fixed Point ICA by Negentropy Maximization
http://hdl.handle.net/10061/8205
http://hdl.handle.net/10061/8205f0617d43-2481-4bc0-aa17-5a2bf39e4ab9
名前 / ファイル | ライセンス | アクション |
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fulltext (349.4 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2012-08-22 | |||||
タイトル | ||||||
タイトル | Approximating Negentropy of Time-Frequency Series of Speech for Fixed Point ICA by Negentropy Maximization | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
著者 |
Rajkishore, Prasad
× Rajkishore, Prasad× Saruwatari, Hiroshi× Shikano, Kiyohiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper presents study on the approximation of negentropy of Time-Frequency Series of Speech (TFSS) using generalized Higher Order Statistics (HOS) of the non-quadratic non-linear functions in light of their efficient usability in the frequency domain blind signal separation algorithms for the separation of convolutive mixture of speech. We also propose a new nonlinear function based on the statistical modeling of TFSS by exponential power functions. The results of standard error and bias, estimated using sequential delete-one Jackknifing method, in the approximation of negentropy of TFSS by different nonlinear functions along with their signal separation performances show the superlative power of the exponential power based nonlinear function. | |||||
書誌情報 |
p. 225-228, 発行日 2005-09 |
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会議情報 | ||||||
会議名 | IWAENC2005: International Workshop on Acoustic Echo and Noise Control | |||||
開催期間 | September 12-15, 2005 | |||||
開催地 | Eindhoven | |||||
開催国 | NLD | |||||
著者版フラグ | ||||||
出版タイプ | VoR |