Freescale Semiconductor,inc.

David B Melles

Lucio F C Pessoa

Roman A Dyba

Lucio F Pessoa

Methods and corresponding systems for suppressing noise in an input signal include setting a minimum overall gain in a noise reduction processor for processing a first frame of data associated with the input signal. In response to a new minimum overall gain being set, the minimum overall gain in the noise reduction processor is replaced with the new minimum overall gain, and a second frame of data associated with the input signal is processed to suppress noise using the new minimum overall gain. The new minimum overall gain can be a function of the input signal or an output signal of the noise reduction processor. The new minimum overall gain can correspond to a difference between an estimated signal-to-noise ratio (SNR) improvement that is calculated using time-domain data and a target SNR improvement.

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Austin, TX, United States of America

David B Melles