CPC H04R 5/027 (2013.01) [G10L 19/167 (2013.01); G10L 21/0216 (2013.01); H04R 3/005 (2013.01); H04R 3/04 (2013.01); H04R 5/033 (2013.01); H04R 5/04 (2013.01); G10L 2021/02082 (2013.01); G10L 2021/02166 (2013.01); H04R 2420/07 (2013.01)] | 20 Claims |
1. A method performed by an audio device, comprising:
sensing sound in a physical environment using a plurality of microphones to generate a plurality of microphone signals;
extracting clean speech from at least a portion of the plurality of microphone signals;
extracting ambience from at least a portion of the plurality of microphone signals; and
encoding, in a bit stream, the clean speech and the ambience by a) compressing the clean speech into an encoded speech signal at a first bit rate, and b) compressing the ambience into an encoded ambience signal at a second bit rate that is lower than the first bit rate.
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