Patent ID: 8208654
Filing Date: 2012-06-26
Classification: G10K,H04H,H04R

Abstract:
1. A noise canceling wireless audio distribution system, comprising: a selection switch for selecting a speaker audio channel, from a plurality of audio channels, to be played on a plurality of speakers in a vehicle; a wireless transmitter for transmitting an uncompressed serial digital bitstream on a single communication channel, the uncompressed serial digital bitstream including at least a subset of the plurality of audio channels combined with digital control codes; a wireless receiver responsive to the uncompressed serial digital bitstream for selecting, and playing on a headset associated with the wireless receiver, a headset audio channel from the plurality of audio channels; and a noise cancellation processor in the headset, for canceling noise related to the playing of the speaker audio channel on the speakers while the headset audio channel is played on the headset in accordance with the control codes in the uncompressed serial digital bitstream, by subtracting speaker anti-noise signals related to the wirelessly received speaker audio channel from the headset audio channel being played.