OGG to M4R

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

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File extension	.ogg
Category	Music File
Description	The .ogg file format is a type of audio file that makes use of open source Ogg Vorbis compression. It is supported by devices such as Archos and Samsung but is not supported by Apple iOS devices. The .ogg format has been utilised for the provision of streaming audio. The file format is unlikely at present to take a dominant share of the digital music market due to the synonymous nature of MP3 with digital audio.
Actions	*OGG to M4R* - Convert file now View other music file formats
Technical Details	The .ogg format is actually a container that potentially allows for different streams of audio, video and metadata. Ogg Vorbis is the compression format. It provides medium to high quality audio at between 16 and 128 kbps/channel and is better quality sound than mp3. The OGG file type is a lossy codec which means that data is discarded as part of the compression technique, resulting in a smaller file size. Ogg files are optimised for music files, but will still be of acceptable quality for speech only files.
Associated programs	Apple QuickTime Player Real Player Windows Media Player
Developed by	Xiph.Org Foundation
MIME type	audio/ogg application/ogg
Useful links	Ogg Vorbis Documentation Convert OGG file

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	Convert M4R file 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

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