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MCh audio (MCh)

Within the Super Audio CD (SACD) standard file structure, the .mch extension is assigned to multi-channel digital audio track container files ("TRACK001.mch," etc.) located in the "MC_AUDIO" directory. SACD is an advanced audio-only media format developed by Sony and Philips and based on the Direct Stream Digital (DSD) encoding. SACD disks contain both multi-channel (up to 6) and conventional stereo tracks (.2ch). Both .2ch and .mch files can be played by several multimedia players, like foobar2000 (with additional libraries).