SMART MICROPHONE DEVICE
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United States of America Patent
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Issued Date -
Nov 20, 2014
app pub date -
Jul 23, 2013
filing date -
May 17, 2013
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Abstract
A smart microphone device is provided. The smart microphone device is coupled to a host, and includes: an analog microphone unit, receiving sounds; a voice detection unit, coupled to the analog microphone unit, detecting voices from the sounds; a speech detection unit, coupled to the voice detection unit, detecting a speech from the voices; and a channel select pin, coupled between the smart microphone device and the host, wherein an interrupt signal is sent from the smart microphone device to the host via the channel select pin to enable the host to operate in the normal mode when the speech detection unit detects the speech.
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