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US07769593B2 Method and apparatus for active noise cancellation 有权
主动噪声消除的方法和装置

Method and apparatus for active noise cancellation
Abstract:
In one embodiment, the present invention is a method and apparatus for active noise cancellation. In one embodiment, a method for recognizing user speech in an audio signal received by a media system (where the audio signal includes user speech and ambient audio output produced by the media system and/or other devices) includes canceling portions of the audio signal associated with the ambient audio output and applying speech recognition processing to an uncancelled remainder of the audio signal.
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