- Extension
- .m4r
- .amw
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Apple Inc.
- Ahead Software
- 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.
- AMV (Actions Media Video) is a proprietary video file format, produced for MP4 players, as well as S1 MP3 players with video playback. There are two different versions of this format: an older one for Actions chips, and a newer one for ALi’s M5661 chip, sometimes called ALIAVI.
- MIME Type
- audio/x-m4r
- video/x-amv
