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The discontinued HD DVD system directly supported E-AC-3. Blu-ray Disc offers E-AC-3 as an option to graft added channels onto an otherwise 5.1 AC-3 stream, as well as for delivery of secondary audio content (e.g. director's commentary) that is intended to be mixed with the primary audio soundtrack in the Blu-ray Disc player.
The audio data on a DVD movie can be Dolby Digital (AC-3), DTS, PCM, or MPEG-1 Audio Layer II (MP2) format. In countries using the PAL system standard DVD-Video releases must contain at least one audio track using the PCM, MP2, or AC-3 format, and all standard PAL players must support all three of these formats.
E-AC3. v. t. e. Dolby Digital Plus, also known as Enhanced AC-3 (and commonly abbreviated as DDP, DD+, E-AC-3 or EC-3), is a digital audio compression scheme developed by Dolby Labs for the transport and storage of multi-channel digital audio. It is a successor to Dolby Digital (AC-3), and has a number of improvements over that codec, including ...
v. t. e. HD DVD (short for High Density Digital Versatile Disc) [1] is an obsolete [2][3][4][5] high-density optical disc format for storing data and playback of high-definition video. [6] Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format, but lost to Blu-ray, supported by Sony and others.
Filename extension. .thd. Dolby TrueHD is a lossless, multi-channel audio codec developed by Dolby Laboratories for home video, used principally in Blu-ray Disc and compatible hardware. Dolby TrueHD, along with Dolby Digital Plus (E-AC-3) and Dolby AC-4, is one of the intended successors to the Dolby Digital (AC-3) lossy surround format.
For example, MP3 and AAC dominate the personal audio market in terms of market share, though many other formats are comparably well suited to fill this role from a purely technical standpoint. First public release date is first of either specification publishing or source releasing, or in the case of closed-specification, closed-source codecs ...
Some containers only support a restricted set of audio formats: DMF only supports MP3, AC-3, DTS and LPCM. EVO only supports MP3, AC-3, E-AC-3, DTS, MP2, MP1, DTS-HD, Dolby TrueHD, MLP and LPCM. F4V only supports AAC [g] and MP3. FLV only supports AAC, MP3, LPCM, A-law PCM, μ-law PCM, Speex, Asao and SWF ADPCM.
The LaserDisc (LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold and marketed as MCA DiscoVision (also known simply as "DiscoVision") in the United States in 1978. Its diameter typically spans 30 cm (12 in). Unlike most optical-disc standards, LaserDisc is not fully digital, and instead ...