A52
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- Codec ID: 0x2000
- Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf (mirrored)
AC3
ATSC A/52a is a standard for lossy encoding of audio in digital television broadcasting in the United States. It is the same as Dolby Digital AC3.
EAC3
ATSC A/52b is an extension to A/52a and was approved for the Blue-ray and HD DVD standard. It is the same as Enhanced AC3 or EAC3 for short. EAC3 is also supposed to be backwards compatible with AC3.
See also
- DTS (DTS Coherent Acoustics)