Factorization of overlapping tranforms into two block transforms
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United States of America Patent
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May 21, 2013
Grant Date -
Dec 3, 2009
app pub date -
May 30, 2008
filing date -
May 30, 2008
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Abstract
An audio encoder/decoder uses a combination of an overlap windowing transform and block transform that have reversible implementations to provide a reversible, integer-integer form of a lapped transform. The reversible lapped transform permits both lossy and lossless transform domain coding of an audio signal having variable subframe sizes.
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