We're always interested in technology that will allow us to enjoy better sound at lower bandwidths. Operating on top of any core audio codec such as AAC, HE-AAC and MPEG-1 Layer II, MPEG Surround provides an unrivaled set of features including full backward compatibility to stereo equipment, subjective audio quality substantially better than matrixed surround formats, a wide scalability in terms of bit rate used for describing the surround image, compatibility with matrixed surround stereo signals (optional), virtualized binaural multi-channel sound reproduction capability for stereo headphones.
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