A52 - Revision history

Sembiance: samples

2025-05-14T14:45:43Z

samples

← Older revision		Revision as of 07:45, 14 May 2025
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	* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf		* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf
	* Short description: http://focus.ti.com/lit/an/spra724/spra724.pdf		* Short description: http://focus.ti.com/lit/an/spra724/spra724.pdf
			* Samples: {{DexvertSamples\|audio/ac3}}

	==AC3==		==AC3==

2019-09-28T03:45:47Z

more recent spec

← Older revision		Revision as of 20:45, 27 September 2019
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	* Codec ID: 0x2000		* Codec ID: 0x2000
	* Specification for A/52 (~~revision B~~): ~~http~~://www.atsc.org/~~standards~~/~~a_52b~~.pdf ([[Mirrored Files\|mirrored]])		* Specification for A/52 (2018): https://www.atsc.org/wp-content/uploads/2015/03/A52-2018.pdf ([[Mirrored Files\|mirrored]])
	* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf		* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf
	* Short description: http://focus.ti.com/lit/an/spra724/spra724.pdf		* Short description: http://focus.ti.com/lit/an/spra724/spra724.pdf

2008-03-02T21:02:50Z

← Older revision		Revision as of 14:02, 2 March 2008
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	* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])		* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])
	* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf		* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf
			* Short description: http://focus.ti.com/lit/an/spra724/spra724.pdf

	==AC3==		==AC3==

2008-01-28T13:04:58Z

← Older revision		Revision as of 06:04, 28 January 2008
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	* Codec ID: 0x2000		* Codec ID: 0x2000
	* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])		* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])
			* Encoding / decoding Guidelines: http://www.dolby.com/assets/pdf/tech_library/46_DDEncodingGuidelines.pdf

	==AC3==		==AC3==
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	==EAC3==		==EAC3==
	ATSC A/52b is an extension to A/52a and was approved for the [[Blu-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.		ATSC A/52b is an extension to A/52a and was approved for the [[Blu-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. But that is not the case, you have to transcode somewhere in the middle of the decode process.

	~~==See also==~~
	* DTS (DTS Coherent Acoustics)

	[[Category: Audio Codecs]]		[[Category: Audio Codecs]]
	[[Category: MDCT Audio Codecs]]		[[Category: MDCT Audio Codecs]]
	[[Category: Multichannel Audio Codecs]]		[[Category: Multichannel Audio Codecs]]

2008-01-17T13:59:02Z

← Older revision		Revision as of 06:59, 17 January 2008
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	[[Category: Audio Codecs]]		[[Category: Audio Codecs]]
	[[Category: MDCT Audio Codecs]]		[[Category: MDCT Audio Codecs]]
			[[Category: Multichannel Audio Codecs]]

2008-01-07T13:39:16Z

EAC3: It's called Blu-ray Disc

← Older revision		Revision as of 06:39, 7 January 2008
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	==EAC3==		==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.		ATSC A/52b is an extension to A/52a and was approved for the [[Blu-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==		==See also==

2008-01-07T11:58:56Z

← Older revision		Revision as of 04:58, 7 January 2008
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	* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])		* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])

	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 AC3.		==AC3==
	ATSC A/52b is an extension to A/52a and was approved for the ~~Bluray~~ and HD-DVD standard. It is the same as Enhanced AC3 or EAC3 for short.		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 is also supposed to be backwards compatible with 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)

	[[Category: Audio Codecs]]		[[Category: Audio Codecs]]
	[[Category: MDCT Audio Codecs]]		[[Category: MDCT Audio Codecs]]

2007-10-25T02:31:18Z

note the mirror

← Older revision		Revision as of 19:31, 24 October 2007
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	* Codec ID: 0x2000		* Codec ID: 0x2000
	* Specification for A/52 (revision B): ~~[http://www.atsc.org/standards/a_52b.pdf~~ http://www.atsc.org/standards/a_52b.pdf]		* Specification for A/52 (revision B): http://www.atsc.org/standards/a_52b.pdf ([[Mirrored Files\|mirrored]])

	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 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 AC3.

2007-08-16T10:16:27Z

This is now implemented in FFmpeg.

← Older revision		Revision as of 03:16, 16 August 2007
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	[[Category: Audio Codecs]]		[[Category: Audio Codecs]]
	[[Category: MDCT Audio Codecs]]		[[Category: MDCT Audio Codecs]]
	~~[[Category: Formats missing in FFmpeg]]~~

2007-04-10T22:42:47Z

Add to formats missing in FFmpeg category.

← Older revision		Revision as of 15:42, 10 April 2007
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	[[Category: Audio Codecs]]		[[Category: Audio Codecs]]
	[[Category: MDCT Audio Codecs]]		[[Category: MDCT Audio Codecs]]
			[[Category: Formats missing in FFmpeg]]