Device for the processing of voice signals

Details Device for the processing of voice signals Device for the processing of voice signals

H - Electricity

04

B

179/2, 179/5

H04B 15/00 (2006.01) H03G 3/34 (2006.01)

Patent

CA 1160574

ABSTRACT OF THE DISCLOSURE A processing device transmits speech signals of constant amplitude during periods of voice activity and interrupts transmission outside these periods, so that noise is not transmitted. to this end the processing device comprises an amplitude-compressing device preceeded by a voice activity detector constituted by a delay line in series with an electronic switch and a speech - noise discriminator having a common input with the delay line for receiving the voice signals. The switch is controlled by the output signal of the discriminator in such a way that it only permits the passage of the voice signals corresponding to the periods of voice activity.

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