• standardised as one of the three audio codecs of MPEG-1 alongside MPEG-1 Audio Layer I (MP1) and MPEG-1 Audio Layer III (MP3). The MP2 abbreviation is...
    31 KB (3,736 words) - 20:36, 5 May 2025
  • MPEG-1 Audio Layer I, commonly abbreviated to MP1, is a lossy audio codec and one of three audio formats included in the MPEG-1 standard. For files only...
    5 KB (545 words) - 20:45, 17 April 2025
  • MPEG-1 is a standard for lossy compression of video and audio. It is designed to compress VHS-quality raw digital video and CD audio down to about 1.5 Mbit/s...
    90 KB (10,881 words) - 21:28, 23 March 2025
  • Thumbnail for MP3
    MP3 (redirect from MPEG-1 Audio Layer 3)
    MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany...
    108 KB (11,633 words) - 05:49, 11 May 2025
  • Thumbnail for MPEG-2
    MPEG Multichannel or MPEG-2 BC (backwards-compatible). MPEG-2 Part 3 also defines additional bit rates and sampling rates for MPEG-1 Audio Layers I,...
    37 KB (3,582 words) - 07:11, 20 April 2025
  • Thumbnail for MP4 file format
    MP3, MPEG-1 Audio Layer II (MP2), MPEG-1 Audio Layer I (MP1), CELP, HVXC (speech), TwinVQ, Text To Speech Interface (TTSI) and Structured Audio Orchestra...
    22 KB (1,972 words) - 03:08, 17 May 2025
  • used in MPEG-1 Audio Layer I and II, Musepack (which was based on MPEG-1 layer II), in MPEG-1 Layer III with an additional MDCT, in MPEG-4 AAC-SSR for...
    3 KB (392 words) - 13:05, 23 August 2023
  • may refer to: Pancreatic stellate cell (PaSC) PASC audio compression, a version of MPEG-1 Audio Layer I Post-acute sequelae of COVID-19 or post-acute sequelae...
    585 bytes (110 words) - 01:34, 27 August 2024
  • MPEG-H 3D Audio, specified as ISO/IEC 23008-3 (MPEG-H Part 3), is an audio coding standard developed by the ISO/IEC Moving Picture Experts Group (MPEG)...
    12 KB (1,203 words) - 14:17, 8 August 2024
  • MPEG-1 Audio Layer I, MPEG-1 Audio Layer II and MPEG-1 Audio Layer III (the first version of MP3). The MPEG-2 Part 3 should not be confused with MPEG-2...
    3 KB (346 words) - 21:05, 18 January 2022
  • object layers: the video object layer that provides full MPEG-4 functionality, and a reduced functionality video object layer, the video object layer with...
    20 KB (1,374 words) - 14:04, 6 January 2025
  • format and which video and audio compression formats are allowed. The coded video and audio inside a video file container (i.e. not headers, footers, and...
    9 KB (440 words) - 04:39, 24 March 2025
  • by the MPEG communication protocol is usually the output of an audio encoder or video encoder. An ES contains only one kind of data (e.g. audio, video...
    3 KB (223 words) - 22:04, 25 April 2024
  • MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was...
    46 KB (3,044 words) - 13:37, 8 May 2025
  • Thumbnail for Digital Compact Cassette
    Digital Compact Cassette (category Audio storage)
    discovered that the PASC files are simply MPEG-1 Audio Layer I files that use an under-documented padding feature of the MPEG standard to make all frames the same...
    30 KB (4,371 words) - 05:23, 29 April 2025
  • Thumbnail for Opus (audio format)
    audio/ogg; codecs=opus, and for Ogg Opus files the .opus filename extension is recommended. Opus streams are also supported in Matroska, WebM, MPEG-TS...
    73 KB (6,905 words) - 15:59, 7 May 2025
  • Thumbnail for Advanced Audio Coding
    part of the MPEG-2 specification but later improved under MPEG-4. AAC was designed to be the successor of the MP3 format (MPEG-2 Audio Layer III) and generally...
    71 KB (7,825 words) - 04:22, 7 May 2025
  • Thumbnail for Moving Picture Experts Group
    (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding of audio...
    35 KB (3,630 words) - 14:36, 25 January 2025
  • Thumbnail for Super Audio CD
    SACD contains a Compact Disc Digital Audio (CDDA) layer and can also be played on a standard CD player. The Super Audio CD format was introduced in 1999,...
    34 KB (3,502 words) - 15:53, 8 May 2025
  • Thumbnail for Audio file format
    Monkey's Audio (filename extension .ape), WavPack (filename extension .wv), TTA, ATRAC Advanced Lossless, ALAC, MPEG-4 SLS, MPEG-4 ALS, MPEG-4 DST, Windows...
    17 KB (913 words) - 19:28, 17 April 2025
  • Thumbnail for Digital Audio Broadcasting
    There was also a demonstration at the 1991 NAB Show in the USA. The MPEG-1 Audio Layer II ("MP2") codec was created as part of this project. DAB was the...
    98 KB (10,492 words) - 09:34, 24 April 2025
  • Thumbnail for Advanced Video Coding
    substantially lower bit rates than previous standards (i.e., half or less the bit rate of MPEG-2, H.263, or MPEG-4 Part 2), without increasing the complexity of...
    89 KB (9,792 words) - 18:02, 17 May 2025
  • Coding (HEVC), also known as H.265 and MPEG-H Part 2, is a video compression standard designed as part of the MPEG-H project as a successor to the widely...
    155 KB (16,601 words) - 18:05, 17 May 2025
  • Thumbnail for FFmpeg
    FFmpeg (section Audio)
    [original research] Patents for many older codecs, including AC3 and all MPEG-1 and MPEG-2 codecs, have expired.[citation needed] FFmpeg is licensed under the...
    66 KB (4,112 words) - 00:41, 8 April 2025
  • MPEG Multichannel, also known as MPEG-2 Backwards Compatible, or MPEG-2 BC, is an extension to the MPEG-1 Layer II audio compression specification, as...
    7 KB (652 words) - 00:55, 27 November 2023
  • Thumbnail for OSI model
    related streams of data, such as an audio and a video stream in a web-conferencing application. Therefore, the session layer is commonly implemented explicitly...
    54 KB (5,624 words) - 15:00, 1 May 2025
  • MPEG Surround (ISO/IEC 23003-1 or MPEG-D Part 1), also known as Spatial Audio Coding (SAC), is a lossy compression format for surround sound that provides...
    18 KB (1,889 words) - 20:06, 11 March 2025
  • VOB (redirect from Audio Title Set)
    the MPEG program stream, a VOB file can contain H.262/MPEG-2 Part 2 or MPEG-1 Part 2 video, MPEG-1 Audio Layer II or MPEG-2 Audio Layer II audio, but...
    9 KB (1,058 words) - 01:45, 15 May 2025
  • 1998). "MPEG Audio Frame Header". Retrieved 2009-07-11. ISO/IEC JTC1/SC29/WG11 - Audio Subgroup. "MPEG Audio FAQ Version 9, MPEG-1 and MPEG-2 BC". Retrieved...
    69 KB (1,410 words) - 01:20, 8 March 2025
  • Thumbnail for Ogg
    Ogg (redirect from Audio/ogg)
    for audio, video, text (such as subtitles), and metadata. In the Ogg multimedia framework, Theora provides a lossy video layer. The audio layer is most...
    34 KB (3,518 words) - 23:59, 23 April 2025