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AC3 (or AC-3) is Dolby Digital's third generation audio codec, which supports up to 5.1 channel surround sound. This means 5 channels of full sound, with an extra channel for sound enhancements; the subwoofer. It is also known as an ATSC standard, named A52 revision B.



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Edited June 9, 2006 8:06 pm by tarazed.ligo.caltech.edu (diff)