- Extension
- .m4r
- .3gp
- Format
- Binary
- Binary
- Category
- Audio
- Video
- Developer
- Apple Inc.
- Third Generation Partnership Project
- 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.
- A 3GP file is a multimedia file saved in an audio and video container format developed by the 3rd Generation Partnership Project (3GPP). It stores video and audio streams that are transmitted between 3G mobile phones and over the Internet.
- MIME Type
- audio/x-m4r
- video/3gpp
