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The MPEG Surround Audio Coding Standard [Standards in a Nutshell]

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2 Author(s)
Hilpert, J. ; Dept. of Audio, Fraunhofer Inst. for Integrated Circuits, Erlangen ; Disch, S.

This article provides a compact overview of the history, technology, and performance of MPEG Surround. The technology of MPEG Surround is based on the spatial audio coding (SAC) principle: In the encoder, a mono- or stereophonic down- mix is generated from the multichannel input signal, and additional parametric side information is extracted to guide the subsequent up-mix procedure in the decoder.With Moving Pictures Expert Group (MPEG) Surround, a data-rate efficient coding scheme for high-quality multichannel sound using novel parametric coding techniques has been standardized.

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Signal Processing Magazine, IEEE  (Volume:26 ,  Issue: 1 )