Voice signal processing device

Details Voice signal processing device Voice signal processing device

G - Physics

10

L

354/49

G10L 11/02 (2006.01)

Patent

CA 2034333

Cepstrum calculating means obtains a cepstrum of a voice signal and mean-value calculation means makes equal the cepstrum output. Threshold setting means sets a voice detection threshold level on the basis of the cepstrum mean-value output. A cepstrum addition section adds cepstrum value exceeding the cepstrum mean-value. A comparator compares the cepstrum output from the cepstrum addition section with the threshold output signal from the threshold setting means, thereby to output voice-detected signal.

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