- Extension
- .m4r
- .cdda
- Format
- Binary
- Binary
- Category
- Audio
- Audio
- Developer
- Apple Inc.
- Sony
- 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 CDDA (CD Digital Audio File) is a type of audio file extracted directly from an audio CD. This format is also known as CD-DA, which stands for Compact Disc Digital Audio. It is a standard format for audio CDs established by Philips and Sony in the Red Book specification. CDDA files represent uncompressed digital audio data in a linear PCM (Pulse Code Modulation) format.
- MIME Type
- audio/x-m4r
- audio/x-cdda
