Signal processing device

Details Signal processing device Signal processing device

H - Electricity

04

B

354/50, 340/72

H04B 15/00 (2006.01) G10L 21/02 (2006.01)

Patent

CA 2034354

Frequency analysis means inputs therein a signal containing noise to perform frequency analysis; signal detection means detects a signal portion from the frequency-analyzed signal; noise prediction means inputs therein the frequency-analyzed signal to predict a noise portion of the signal on the basis of past information; cancel means subtracts the predicted noise from said frequency-analyzed signal; and band composition means performs band composition on the noise-canceled signal.

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