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  2. AC3 - Wikipedia

    en.wikipedia.org/wiki/AC3

    About Wikipedia; Contact us; Contribute Help; Learn to edit; Community portal; Recent changes; ... (35414) 1998 AC3, a minor planet; AC-3, an IEC utilization category;

  3. Dolby Digital - Wikipedia

    en.wikipedia.org/wiki/Dolby_Digital

    public.ac3-audio [17] The former Dolby Digital logo, entitled "Aurora", that was sometimes shown at the start of broadcasts, feature films, and video games The old Dolby Digital logo Dolby AC-3 (a backronym for Audio Codec 3, Advanced Codec 3, or Acoustic Coder 3), also known as ATSC A/52 (name of the standard) [ 18 ] or simply Dolby Digital ...

  4. List of codecs - Wikipedia

    en.wikipedia.org/wiki/List_of_codecs

    Dolby Digital (AC3, ATSC A/52, ETSI TS 102 366) FFmpeg; liba52 (decoder only) Dolby Digital Plus (E-AC-3, ATSC A/52:2012 Annex E, ETSI TS 102 366 Annex E) FFmpeg; DTS Coherent Acoustics (DTS, Digital Theatre System Coherent Acoustics, ETSI TS 102 114) FFmpeg; libdca (decoder only) Dolby AC-4 (ETSI TS 103 190) Impala Blackbird audio codec; ITU ...

  5. 5.1 surround sound - Wikipedia

    en.wikipedia.org/wiki/5.1_surround_sound

    5.1 digital surround, in the forms of Dolby Digital AC-3 and DTS, started appearing on several mid-1990s LaserDisc releases, among the earliest being Clear and Present Danger and Jurassic Park (the latter having both AC3 and DTS versions). Many DVD releases have Dolby Digital tracks up to 5.1 channels, due to the implementation of Dolby Digital ...

  6. Pirated movie release types - Wikipedia

    en.wikipedia.org/wiki/Pirated_movie_release_types

    The result of this process is an almost retail DVD quality surround sound audio track which is included in the movie release. Releases of this type are normally tagged AC3.5.1.HQ and details about what was done to the audio track as well as the video are present in the release notes accompanying the pirated movie. [17]

  7. Dolby Digital Plus - Wikipedia

    en.wikipedia.org/wiki/Dolby_Digital_Plus

    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.

  8. Utilization categories - Wikipedia

    en.wikipedia.org/wiki/Utilization_categories

    Usually utilization category is mentioned in most of the switch gear, with the above contactor stating to be used under AC1 - resistive load & AC3 for motor usage. In electrical engineering utilization categories are defined by IEC standards [1] and indicate the type of electrical load and duty cycle of the loads to ease selection of contactors ...

  9. Comparison of audio coding formats - Wikipedia

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

    The 'Music' category is merely a guideline on commercialized uses of a particular format, not a technical assessment of its capabilities. 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.