What is the difference between .m4r and .sndt?
- Extension
 - .m4r
 - .sndt
 
- Format
 - Binary
 - Binary
 
- Category
 - Audio
 - Audio
 
- Developer
 - Apple Inc.
 - NeXT
 
- 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.
 - ND is a file extension for a sound file used with a variety of platforms. SND stands for SouND. SND files may contain audio data specific to a Macintosh sound resource (from Mac OS Classic), an AKAI MPC audio sample, a generic Amiga sound, or other audio file. SND files can often be opened by Apple’s Quicktime Player.
 
- MIME Type
 - audio/x-m4r
 - audio/basic
 
- Wikipedia
 - .m4r on Wikipedia