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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.
It allows information such as the title, artist, album, track number, and other information about the file to be stored in the file itself. The ID3v1 series, in particular, stores genre as an 8-bit number (therefore ranging from 0 to 255, with the latter having the meaning of "undefined" or "not set"), allowing each file to have at most one ...
YouTube originally offered videos at only one quality level, displayed at a resolution of 320×240 pixels using the Sorenson Spark codec (a variant of H.263), [29] [30] with mono MP3 audio. [31] In June 2007, YouTube added an option to watch videos in 3GP format on mobile phones. [32]
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Encoder: codify video files in H.264 format and audio in AAC, MP3, AC-3 or EC-3. [10] This is encapsulated by MPEG-2 Transport Stream or MPEG-4_Part_14 to carry it. Segmenter: divides the stream into fragments of equal length. It also creates an index file that contains references of the fragmented files, saved as .m3u8. Distributor
Most media players, such as Winamp, can easily create custom playlists from one's media library. For example, in a software MP3 player for Windows, Android, or macOS, the desired tunes are typically dragged and dropped from the user's music library into the player's "edit or create playlist" window and saved. The idea of automatically ...
XML Shareable Playlist Format (XSPF), pronounced spiff, [1] is an XML-based playlist format for digital media, sponsored by the Xiph.Org Foundation.. XSPF is a file format for sharing the kind of playlist that can be played on a personal computer or portable device.
Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.