Patent ID: 9237225
Filing Date: 2016-01-12
CPC Classification: G10L,H04B,H04M

Claim Text:
1. A computer-implemented method comprising: receiving, by a dynamic pre-conditioning module that is communicatively coupled between a fixed pre-conditioning module and an echo cancelling module in a send path of a mobile communications device, an input audio signal from the fixed pre-conditioning module; preconditioning, by the dynamic pre-conditioning module, the initial input audio based on one or more initial pre-conditioning parameters; providing, by the dynamic pre-conditioning module, the preconditioned, initial input audio signal to the echo cancelling module; receiving, by the dynamic pre-conditioning module, a subsequent input audio signal from the fixed pre-conditioning module; receiving, by the dynamic pre-conditioning module, a feedback signal from the echo cancelling module to which the pre-conditioned, initial audio signal was provided; determining, by the dynamic pre-conditioning module, one or more characteristics of the feedback signal from the echo cancelling module to which the preconditioned, initial audio signal was provided; selecting, by the dynamic pre-conditioning module, one or more adjusted pre-conditioning parameters based on the one or more characteristics of the feedback signal; pre-conditioning, by the dynamic pre-conditioning module, the subsequent input audio signal based on the one or more adjusted preconditioning parameters; and providing, by the dynamic pre-conditioning module, the pre-conditioned, subsequent input audio signal to the echo cancelling module.