Video game controller with noise canceling logic
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United States of America Patent
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Jun 28, 2011
Grant Date -
Oct 13, 2005
app pub date -
Apr 7, 2004
filing date -
Apr 7, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method for reducing noise disturbance associated with an audio signal received through a microphone is provided. The method initiates with magnifying a noise disturbance of the audio signal relative to a remaining component of the audio signal. Then, a sampling rate of the audio signal is decreased. Next, an even order derivative is applied to the audio signal having the decreased sampling rate to define a detection signal. Then, the noise disturbance of the audio signal is adjusted according to a statistical average of the detection signal. A system capable of canceling disturbances associated with an audio signal, a video game controller, and an integrated circuit for reducing noise disturbances associated with an audio signal are included.
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