What is the difference between .m4r and .ima?
- Extension
- .m4r
- .ima
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Apple Inc.
- IBM
- 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 headerless file of IMA ADPCM audio data. IMA ADPCM claims 16-bit precision packed into only 4 bits, but in fact sounds no better than .vox.
- MIME Type
- audio/x-m4r
- audio/x-adpcm
- Sample
- sample.ima
- Wikipedia
- .m4r on Wikipedia
- .ima on Wikipedia