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*Details: File format summary



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Name MPEG 1/2 Audio Layer 3
Other names MP3
Identifiers MIME:  audio/mpeg
PUID:  fmt/134
Apple Uniform Type Identifier:  public.mp3
Classification Audio
Description MP3 is a digital audio format, formally known as MPEG-1 Audio Layer III or MPEG-2 Audio Layer III. A third variant, known as MPEG 2.5, which supports lower bit rates implemented by the LAME MP3 encoder among others, but is not a recognised standard.
Orientation Text
Byte order  
Related file formats Has lower priority than Macromedia Flash (1)
Has lower priority than Macromedia Flash (2)
Has lower priority than Macromedia Flash (3)
Has lower priority than Macromedia Flash (4)
Has lower priority than Macromedia Flash (5)
Has lower priority than Macromedia Flash (6)
Has lower priority than Macromedia Flash (7)
Has lower priority than Macromedia FLV (1)
Has lower priority than AutoCAD Drawing (2007-2008)
Has lower priority than Tagged Image File Format  
Has lower priority than Audio Interchange File Format (1.2)
Has lower priority than Nullsoft Streaming Video  
Has lower priority than NCH Dictation Audio File  
Technical Environment  
Supported until  
Format Risk  
Developed by None.
Supported by None.
Source Digital Preservation Department / The National Archives
Source date 11 Mar 2005
Source description  
Last updated 20 Jan 2020
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