Adaptive weiner filtering using a dynamic suppression factor

Details Adaptive weiner filtering using a dynamic suppression factor Adaptive weiner filtering using a dynamic suppression factor

1995-04-19

1998-01-06

MacDonald, Allen R.

395 236, 395 237, G10L 302

Patent

active

057063958

ABSTRACT:
An acoustic noise suppression filter including attenuation filtering with a noise suppression factor depending upon the ratio of estimated noise energy of a frame divided by estimated signal energy.

REFERENCES:
Deller et al., "Discrete-Time Processing of Speech Signals," Prentice-Hall, Inc., pp. 506-528, 1987.
Arslan et al., "New Methods for Adaptive Noise Suppression," ICASSP '95: Acoustics, Speech & Signal Processing Conference, pp. 812-815, May 1995.

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