{TAIL ~ The present invention} relates to multi channel audio coding and transmission, and in particular to techniques to encode {HEAD ~ multi channel audio} in a manner that is fully backwards compatible with stereo devices and formats, allowing for an efficient coding of multi channel audio 
{ TAIL ~ The present invention } relates to multi channel audio coding and transmission , and in particular to techniques to encode { HEAD ~ multi channel audio } in a manner that is fully backwards compatible with stereo devices and formats , allowing for an efficient coding of multi channel audio
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