Resolution-independent dither sample insertion for audio transmissions
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United States of America Patent
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Nov 17, 2015
Grant Date -
Mar 5, 2015
app pub date -
Sep 13, 2013
filing date -
Aug 31, 2013
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Abstract
Methods, systems, and apparatuses are provided for resolution-independent dither sample insertion for audio transmissions. Audio transmitters transmit audio data streams to audio receivers. Data inactivity in the data stream triggers the audio receivers to enter power-saving/sleep modes in which synchronization with the audio transmitters is lost thus requiring time consuming resynchronization. Inactivity such as silence or zero-value data is detected in a data stream. Upon detection, a dither sample is inserted into the data stream and transmitted to the audio receiver to prevent the loss of synchronization. The dither sample may have a negative value and be formatted for resolution-independence with respect to the audio receiver.
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