Robust noise estimation

Details Robust noise estimation Robust noise estimation

H - Electricity

04

B

H04B 17/00 (2006.01) H04B 15/00 (2006.01)

Patent

CA 2585325

An enhancement system improves the estimate of noise from a received signal. The system includes a spectrum monitor that divides a portion of the signal at more than one frequency resolution. Adaptation logic derives a noise adaptation factor of the received signal. A plurality of devices tracks the characteristics of an estimated noise in the received signal and modifies multiple noise adaptation rates. Weighting logic applies the modified noise adaptation rates derived from the signal divided at a first frequency resolution to the signal divided at a second frequency resolution.

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