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*Details: File format summary

   
 

 

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Summary

Name MPEG 1/2 Audio Layer 3
Version  
Other names MP3
Identifiers MIME:  audio/mpeg
PUID:  fmt/134
Apple Uniform Type Identifier:  public.mp3
Family  
Classification Audio
Disclosure  
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 Acrobat PDF 1.0 - Portable Document Format (1.0)
Has lower priority than Acrobat PDF 1.1 - Portable Document Format (1.1)
Has lower priority than Acrobat PDF 1.2 - Portable Document Format (1.2)
Has lower priority than Acrobat PDF 1.3 - Portable Document Format (1.3)
Has lower priority than Acrobat PDF 1.4 - Portable Document Format (1.4)
Has lower priority than Acrobat PDF 1.5 - Portable Document Format (1.5)
Has lower priority than PCX (5)
Has lower priority than Acrobat PDF 1.6 - Portable Document Format (1.6)
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 Acrobat PDF 1.7 - Portable Document Format (1.7)
Has lower priority than Tagged Image File Format  
Has lower priority than Audio Interchange File Format (1.2)
Has lower priority than Matroska (1-4)
Has lower priority than Nullsoft Streaming Video  
Has lower priority than NCH Dictation Audio File  
Has lower priority than STOS Memory Bank  
Has lower priority than multiArtist File  
Has lower priority than MAKIchan Graphics File  
Has lower priority than Beam Software SIFF File  
Has lower priority than Spectrum 512 Compressed | Spectrum 512 Smooshed  
Has lower priority than Spectrum 512 Uncompressed | Spectrum 512 Uncompressed Enhanced  
Has lower priority than XL-Paint  
Has lower priority than Persuasion Mac Document (2.1)
Has lower priority than Pablo Paint Raster Image  
Technical Environment  
Released  
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
Note  
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