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  2. 5.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/5.1_surround_sound

    Many DVD releases have Dolby Digital tracks up to 5.1 channels, due to the implementation of Dolby Digital in the development of the DVD format. In addition, some DVDs have DTS tracks, with most being 5.1 channel mixes (a few releases, however, have 6.1 "matrixed" or even discrete 6.1 tracks).

  3. Surround sound - Wikipedia

    en.wikipedia.org/wiki/Surround_sound

    16.2 channel surround sound. Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the listener (surround channels).

  4. Matrix decoder - Wikipedia

    en.wikipedia.org/wiki/Matrix_decoder

    Dolby Stereo and Dolby Surround are also known as Dolby MP, Dolby SVA and Pro Logic. Dolby SVA matrix is the original name of the Dolby Stereo 4:2:4 encoding matrix. The term "Dolby Surround" refers to both the encoding and decoding in the home environment, while in the theater it is known "Dolby Stereo", "Dolby Motion Picture matrix" or "Dolby ...

  5. Dolby TrueHD - Wikipedia

    en.wikipedia.org/wiki/Dolby_TrueHD

    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.

  6. Dolby E - Wikipedia

    en.wikipedia.org/wiki/Dolby_E

    Dolby E logo. Dolby E is a lossy audio compression and decoding technology developed by Dolby Laboratories that allows 6 to 8 channels of audio to be compressed into an AES3 digital audio stream that can be stored as a standard stereo pair of digital audio tracks. Up to six channels, such as a 5.1 mix, can be recorded as 16-bit Dolby E data.

  7. Comparison of audio coding formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_audio_coding...

    Dolby Laboratories: 1992 ATSC A52:2018 Free DVD players, digital television, Camcorder: FFmpeg, liba52 (decoding only), Aften (encoding only), libavc (2.0 channels max) Theatrical movie presentation, Digital TV service & home-video (personal recorders, DVD, etc.) No No No No ? AC-4: Dolby Laboratories: 2014 ATSC A342:2022-03 Non-free

  8. Dolby Pro Logic - Wikipedia

    en.wikipedia.org/wiki/Dolby_Pro_Logic

    The Dolby Pro Logic IIx system, available since 2003, can take two-channel stereo, Dolby Surround (sometimes called Dolby Stereo Surround) and Dolby Digital 5.1 source material and up-convert it to 6.1 or 7.1 channel surround sound.

  9. Lennon Legend: The Very Best of John Lennon (video)

    en.wikipedia.org/wiki/Lennon_Legend:_The_Very...

    Lennon Legend: The Very Best of John Lennon is a DVD that was released in November 2003, as a companion to the 1997 album of the same name.It features a series of remastered, remixed, and new videos with Dolby Digital 5.1 Surround Sound audio mixes.