NOISE CANCELLATION CIRCUIT FOR ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Apr 23, 2009
app pub date -
Oct 23, 2007
filing date -
Oct 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A noise cancellation circuit for an electronic device includes a first input configured to receive an audio signal from a microphone included in the electronic device, and a second input configured to receive an accelerometer output signal from an accelerometer included in the electronic device. In addition, the noise cancellation circuit includes a comparison circuit for subtracting at least a part of the accelerometer output signal from the audio signal, and an output for outputting a result of the comparison circuit.
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