M4R to M4A

Convert M4R to M4A - online and free - this page also contains information on the M4R and M4A file extensions.

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File extension	.m4r
Category	Music File
Description	The 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	*M4R to M4A* - Convert file now View other music file formats
Technical Details	M4R 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

File extension	.m4a
Category	Music File
Description	M4A files are a type of audio file developed and popularised by Apple. Since 2007, music purchased through the iTunes store has been in m4a format, therefore accounting for over 15 billions files worldwide. MP4 and M4A files are often confused, and the two are quite similar, being both based on the MPEG-4 codec. However, M4A is a file comprising solely of audio, whereas MP4 may also contain video.
Actions	Convert M4A file View other music file formats
Technical Details	M4A files are superior to MP3 in terms of the scale of compression and audio quality. The M4A file uses Apple's codec and resides within the MPEG-4 container. The main benefit of M4A is that files are compressed but are lossless. This means they can be decoded back to the original quality they were at the point of compression. Another benefit of M4A files are that do not carry any Digital Rights Management (DRM) protection associated with other files meaning they are less restricted.
Associated programs	Apple QuickTime Player Apple iTunes Microsoft Windows Media Player
Developed by	Apple
MIME type	audio/mp4a-latm
Useful links	Detailed guide to M4A More detail on the MPEG4 format Convert M4A file

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

M4R to M4A - Convert file now