What is the difference between .m4r and .gsrt?
- Extension
- .m4r
- .gsrt
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Apple Inc.
- Grandstream
- 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.
- Grandstream ring-tone files. Whilst this file format can contain A-Law, μ-law, GSM, G.722, G.723, G.726, G.728, or iLBC encoded audio, SoX supports reading and writing only A-Law and μ-law.
- MIME Type
- audio/x-m4r
- audio/x-gsrt
- Wikipedia
- .m4r on Wikipedia