Increased speed of processing of audio samples received over a serial communications link by use of channel map and steering table
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United States of America Patent
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Oct 4, 2011
Grant Date -
Nov 8, 2007
app pub date -
Apr 14, 2006
filing date -
Apr 14, 2006
priority date (Note) -
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Abstract
A method and apparatus for processing data samples utilizes a channel map populated by device descriptor, or by an application program interface. Packet processing code loops through all of the samples contained in a packet while incrementing through a channel map and steering table without having to look up a table to determine in what audio buffer the sample is to be stored or read. Additionally, the present invention utilizes a stride map, so the audio subsystem knows how many samples to skip in order to reach the next sample frame. The present invention can be used for handling received packets as well as forming packets to send over a bus.
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