MP3 to M4R Converter

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MP3 Details

MPEG-1 or MPEG-2 Audio Layer III, more commonly referred to as MP3, is an audio coding format for digital audio which uses a form of lossy data compression. It is a common audio format for consumer audio streaming or storage, as well as a de facto standard of digital audio compression for the transfer and playback of music on most digital audio players. MP3 is an audio-specific format that was designed by the Moving Picture Experts Group (MPEG) as part of its MPEG-1 standard and later extended in the MPEG-2 standard. The first MPEG subgroup Audio group was formed by several teams of engineers at Fraunhofer IIS, University of Hannover, AT&T-Bell Labs, Thomson-Brandt, CCETT, and others.

Developed by

Moving Picture Experts Group

Associated programs

RealOne
WinAmp
Windows Media Player
iTunes

MIME type

audio/mpeg

M4R Details

The M4R file type is primarily associated with 'iPhone' by Apple Inc.. This is basically a renamed AAC (M4A) file.

Developed by

Apple

Associated programs

Apple QuickTime Player
Apple iTunes

MIME type

audio/aac

Top 5 M4R Conversions

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