Patent Document ID: 9343073
Application ID: 12860428
Patent Status: 1

Claim One:
1. A method for reducing noise within an acoustic signal, the method comprising: receiving a first acoustic signal and a second acoustic signal via a receiver, the first acoustic signal representing at least one captured sound; determining an energy level of an echo component in the first acoustic signal, the echo component comprising the second acoustic signal reflected via an echo path; deriving an echo modification for a plurality of first acoustic sub-band signals representing the first acoustic signal, the derived echo modification based on the determined energy level of the echo component in the first acoustic signal; identifying speech/noise dominated first acoustic sub-band signals from the plurality of first acoustic sub-band signals using the derived echo modification, such that the identified speech/noise dominated first acoustic sub-band signals are not dominated by echo; determining an energy level of a noise component for each of the identified speech/noise dominated first acoustic sub-band signals; deriving a noise modification for the each of the speech/noise dominated first acoustic sub-band signals not being dominated by echo based on the determined energy level of the noise component; applying the noise modifications to the first acoustic signal to reduce the energy level of the noise component and form a noise reduced signal; and applying the echo modification to the noise reduced signal to reduce the energy level of the echo component.