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  2. MP4 file format - Wikipedia

    en.wikipedia.org/wiki/MP4_file_format

    MPEG-4 Part 14, or MP4, is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet. The only filename extension for MPEG-4 Part 14 files as defined by the ...

  3. MP3 - Wikipedia

    en.wikipedia.org/wiki/MP3

    An MP3 coded with MPEG-2 results in half of the bandwidth reproduction of MPEG-1 appropriate for piano and singing. A third generation of "MP3" style data streams (files) extended the MPEG-2 ideas and implementation but was named MPEG-2.5 audio since MPEG-3 already had a different meaning. This extension was developed at Fraunhofer IIS, the ...

  4. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    mp3 MPEG-1 Layer 3 file without an ID3 tag or with an ID3v1 tag (which is appended at the end of the file) 49 44 33: ID3: 0 mp3 MP3 file with an ID3v2 container 42 4D: BM: 0 bmp dib BMP file, a bitmap format used mostly in the Windows world 43 44 30 30 31: CD001: 0x8001 0x8801 0x9001 iso ISO9660 CD/DVD image file [40] 43 44 30 30 31: CD001 ...

  5. ISO base media file format - Wikipedia

    en.wikipedia.org/wiki/ISO_base_media_file_format

    The MP4 file format known as "version 1" was published in 2001 as ISO/IEC 14496-1:2001, as revision of the MPEG-4 Part 1: Systems. [14] [15] [16] In 2003, the first version of the MP4 file format was revised and replaced by MPEG-4 Part 14: MP4 file format (ISO/IEC 14496-14:2003), commonly known as MPEG-4 file format "version 2". [17]

  6. M3U - Wikipedia

    en.wikipedia.org/wiki/M3U

    There is no formal specification for the M3U format; it is a de facto standard.. An M3U file is a plain text file that specifies the locations of one or more media files. The file is saved with the "m3u" filename extension if the text is encoded in the local system's default non-Unicode encoding (e.g., a Windows codepage), or with the "m3u8" extension if the text is UTF-8 encoded.

  7. Portable media player - Wikipedia

    en.wikipedia.org/wiki/Portable_media_player

    The name MP4 player was a marketing term for inexpensive portable media players, usually from little-known or generic device manufacturers. [50] The name itself is a misnomer, since most MP4 players through 2007 were incompatible with the MPEG-4 Part 14 or the .mp4 container format. Instead, the term refers to their ability to play more file ...