What is the difference between .m4r and .htk?
- Extension
- .m4r
- .htk
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Apple Inc.
- Cambridge University's Speech 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.
- Single channel 16-bit PCM format used by HTK, a toolkit for building Hidden Markov Model speech processing tools.
- MIME Type
- audio/x-m4r
- application/x-htk