Speech recognition method using time-frequency masking...

Details Speech recognition method using time-frequency masking... Speech recognition method using time-frequency masking...

G - Physics

10

L

G10L 15/00 (2006.01) G10L 15/02 (2006.01) G10L 9/06 (1990.01)

Patent

CA 2098629

A speech recognition method in which input speech signals are converted to digital signals and then time sequentially converted to cepstrum coefficients or logarithmic spectra. Dynamic spectrum time sequence is obtained by time frequency filtering of cepstrum coefficients, or masked spectrum time sequence is obtained by time frequency masking of the logarithmic vector time sequence. Based on the dynamic cepstrum time sequence or masked spectrum time sequence obtained in this manner, speech is recognized.

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