MULTIPLE MICROPHONE SUPPORT FOR EARBUD HEADSETS
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United States of America Patent
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Issued Date -
Feb 7, 2013
app pub date -
Jul 27, 2012
filing date -
Aug 4, 2011
priority date (Note) -
Abandoned
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Abstract
A system for improved audio in a headset comprising a first headset microphone generating a first signal. A second headset microphone generating a second signal. A multiplexer coupled to the first headset microphone and the second headset microphone for multiplexing the first signal and the second signal. A power extractor for extracting power for use by one or more of the multiplexer, the first headset microphone and the second headset microphone. A demultiplexer for extracting the first signal and the second signal. A signal processor for generating a noise reduced microphone signal. An audio subsystem for receiving the noise reduced microphone signal and for generating speaker signals for a first headphone speaker and a second headphone speaker.
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