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M4R File

This page contains information on the M4R file extension (MPEG-4 Audio Layer), a popular music file format

File extension.m4r
CategoryMusic File
DescriptionThe M4R is an iPhone ringtone file that is essentially a renamed AAC (m4a) file. Not all iTunes Music Store songs can be used to create M4R ringtones. In order to create an M4R ring tone from an iTunes song, the song must allow for M4R ringtone creation. An M4R ring tone is automatically transferred to a user's iPhone when the iPhone is synced with the user's computer.
Actions Convert M4R file
View other music file formats
Technical DetailsM4R is essentially a renamed AAC (M4A) file - it is similar to MP3 but compresses the digital audio files further. It is part of the MPEG-4 standard and is specified in the ISO/IEC standard 14496-3. It is a lossy algorithm much like AAC and MP3. M4R supports auditory masking - essentially discarding data with minimal loss of quality.
Associated programs Apple QuickTime Player
Apple iTunes
Developed by Apple
MIME type  audio/aac
Useful links Larger guide to M4R
More detail on the MPEG4 format
Convert M4R file
 

Convert M4R file

Using Zamzar it is possible to convert M4R files to a variety of other formats:

m4r to aac (Advanced Audio Coding File)
m4r to ac3 (AC3 Audio File)
m4r to flac (Free Lossless Audio Codec)
m4r to m4a (Compressed video file)
m4r to mp3 (Compressed audio file)
m4r to mp4 (MPEG-4 Video File)
m4r to ogg (Ogg Vorbis Compressed Audio File)
m4r to wav (Windows audio file)
m4r to wma (Windows Media Audio)

Convert M4R file