Method of coding a source audio signal, corresponding coding device, decoding method and device, signal, computer program products
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United States of America Patent
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Jul 17, 2012
Grant Date -
Mar 26, 2009
app pub date -
Mar 12, 2007
filing date -
Mar 13, 2006
priority date (Note) -
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Abstract
A method is provided for coding a source audio signal. The method includes the following steps: coding a quantization profile of coefficients representative of at least one transform of the source audio signal, according to at least to distinct coding techniques, delivering at least two sets of data representative of a quantization profile; selecting one of the sets of data representative of a quantization profile, as a function of a predetermined selection criterion; transmitting and/or storing the set of data representative of a selected quantization profile and an indicator representative of the corresponding coding technique.
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