Digital signal processing method, learning method,...

Details Digital signal processing method, learning method,... Digital signal processing method, learning method,...

2001-07-31

2008-08-12

Dorvil, Richemond (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S216000, C704S217000

Reexamination Certificate

active

07412384

ABSTRACT:
A digital signal processing method and learning method and devices therefor, and a program storage medium which are capable of further improving the waveform reproducibility of a digital signal. Self correlation coefficients are calculated by cutting parts out of the digital signal by multiple windows having different sizes, and the parts are classified based on the calculation results of the self correlation coefficients. Then, the digital signal is converted by the prediction method corresponding to the classified class, so that the conversion further suitable for the features of the digital signal can be conducted.

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