SYSTEM AND METHOD FOR FREQUENCY TO PHASE BALANCING FOR TIMBRE-ACCURATE LOW BIT RATE AUDIO ENCODING
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United States of America Patent
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Issued Date -
Sep 23, 2010
app pub date -
Mar 18, 2009
filing date -
Mar 18, 2009
priority date (Note) -
Abandoned
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Abstract
Embodiments of a system and method for encoding audio data have been described. In one embodiment, the method includes transforming frequency domain data in a plurality of signal windows of an audio dataset from a cosine/sine format to a magnitude/cosine/sine format. The magnitude/cosine/sine format disproportionately represents a magnitude of the frequency domain data over a phase of the frequency domain data. The above transformation may be a pre-processing stage of vector quantization usable to produce a codebook.
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