Delay matching in audio/video systems
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United States of America Patent
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Oct 9, 2012
Grant Date -
Jul 28, 2011
app pub date -
Apr 5, 2011
filing date -
Jun 22, 2005
priority date (Note) -
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Abstract
An audio/video system comprises an audio signal processing path having an audio path delay and a video signal processing path having a video path delay. The audio path delay may be different from the video path delay. The audio path delay and/or the video path delay may change, for example because of replacement of a component within the audio signal processing path or the video signal processing path. Delay matching (synchronization) in the audio/video system comprises adjusting the audio path delay to be substantially equal to the video path delay. Matching the audio path delay to the video path delay generally includes adding delay to the signal processing path with the lesser delay.
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