- Extension
- .m4r
- .mpeg-2
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Apple Inc.
- Motion Pictures Expert Group
- Description
- M4R is an iTunes ringtone file that stores mono channel audio. They are identical to the M4A format files only that they are correctly used for ringtones.
- Video file encoded with the MPEG-2 codec, which is mainly used for over-the-air, satellite, and cable digital TV signals and DVD video; uses lossy compression for audio and video to significantly reduce the size of the video data; not as efficient as the H.264 format.
- MIME Type
- audio/x-m4r
- video/mpeg
