Data processing: speech signal processing – linguistics – language – Speech signal processing – For storage or transmission
Reexamination Certificate
2011-08-09
2011-08-09
Rider, Justin W (Department: 2626)
Data processing: speech signal processing, linguistics, language
Speech signal processing
For storage or transmission
C704S241000, C704S250000
Reexamination Certificate
active
07996213
ABSTRACT:
A similarity degree estimation method is performed by two processes. In a first process, an inter-band correlation matrix is created from spectral data of an input voice such that the spectral data are divided into a plurality of discrete bands which are separated from each other with spaces therebetween along a frequency axis, a plurality of envelope components of the spectral data are obtained from the plurality of the discrete bands, and elements of the inter-band correlation matrix are correlation values between the respective envelope components of the input voice. In a second process, a degree of similarity is calculated between a pair of input voices to be compared with each other by using respective inter-band correlation matrices obtained for the pair of the input voices through the inter-band correlation matrix creation process.
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Kazama, M., et al., Talker Identification Using Narrow-Band Envelope Correlation Matrix, Institute of Electronics, Information and Communication Engineers, Mar. 2002.
Li, K.-P. and Hughes, G.W., Talker Differences as They Appear In Correlation Matrices of Continuous Speech Spectra, J. Acoust. Soc. Am., Apr. 1974, vol. 55—No. 4.
Goto Satoru
Kawahara Takehiko
Kazama Michiko
Tohyama Mikio
Yoshioka Yasuo
Morrison & Foerster / LLP
Rider Justin W
Yamaha Corporation
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