Patent ID: 8914007
Filing Date: 2014-12-16
Classification: H04L,H04M

Abstract:
1. A method for a voice communication system, the method comprising: receiving, at a mobile terminal, a reference signal associated with downlink audio to be reproduced by an audio transducer of the mobile terminal and one or more other reference signals associated with downlink audio to be reproduced by respective audio transducers of one or more other mobile terminals; processing, with a processor, an echo signal from uplink audio due to the downlink audio reproduced by the audio transducer of the mobile terminal based upon the reference signal; and processing an echo signal from uplink audio due to the downlink audio reproduced by the respective audio transducers of the one or more other mobile terminals based upon the one or more other reference signals so as to at least partially attenuate echo signals from the uplink audio due to the downlink audio reproduced by the respective audio transducers of the one or more other mobile terminals.