Stereo compatible multi-channel audio coding
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United States of America Patent
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Mar 29, 2011
Grant Date -
Jun 22, 2006
app pub date -
Nov 23, 2005
filing date -
Nov 2, 2004
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Abstract
A parametric representation of a multi-channel audio signal having parameters suited to be used together with a monophonic downmix signal to calculate a reconstruction of the multi-channel audio signal can efficiently be derived in a stereo-backwards compatible way when a parameter combiner is used to generate the parametric representation by combining a one or more spatial parameters and a stereo parameter resulting in a parametric representation having a decoder usable stereo parameter and an information on the one or more spatial parameters that represents, together with the decoder usable stereo parameter, the one or more spatial parameters.
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