Communication apparatus for adjusting a voice signal
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United States of America Patent
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Jun 10, 2014
Grant Date -
Oct 1, 2009
app pub date -
Mar 23, 2009
filing date -
Mar 31, 2008
priority date (Note) -
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Abstract
A communication apparatus for adjusting a received voice signal in accordance with an ambient noise, the communication apparatus includes: a microphone for receiving an ambient noise and input voice and outputting a voice input signal corresponding to a level of the input voice and the ambient noise; a receiver for receiving the voice signal; a processer for extracting a voice component originated by a sender and an ambient noise component originated by the ambient noise, determining the ratio between the voice component and the ambient noise component, and adjusting the amplitude of the received voice signal in accordance with the ratio; and a speaker for outputting a reception voice corresponding to the adjusted reception voice signal.
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