Method and apparatus for automatically controlling gain based on sensitivity of microphone in electronic device
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United States of America Patent
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Nov 14, 2017
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Feb 23, 2015
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Feb 21, 2014
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Abstract
The present disclosure relates to a method and an apparatus for automatically controlling a gain in an electronic device based on a sensitivity of microphone. The method according to an embodiment of the present disclosure includes outputting a reference audio to a speaker and obtaining a sound signal output by the speaker through a microphone, comparing a parameter of the obtained sound signal with a stored parameter, and adjusting a gain of the microphone based on a result of the comparing.
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