Apparatus and method of processing an audio signal
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United States of America Patent
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Aug 12, 2008
Grant Date -
Jan 11, 2007
app pub date -
Jul 7, 2006
filing date -
Jul 11, 2005
priority date (Note) -
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Abstract
In one embodiment, a block of audio data is partitioned into N sub-blocks, and a plurality of code parameters s(0), s(1), . . . s(N-1) are determined. The N sub-blocks are entropy encoded using a plurality of entropy codes defined by the plurality of code parameters, and the code parameters are transmitted. The code parameters may be transmitted by directly transmitting s(0) representing the code parameter of the first sub-block, and transmitting a difference s(i)-s(i-1) for i=1, . . . N-1, s(i) representing the code parameter of an i.sub.th sub-block following the first sub-block.
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