AIFF

format for storing high quality music and audio samples using an 8-bit monaural format (developed by Apple Computer, standard format for Macintosh and Silicon Graphics systems)

Audio Interchange File Format (AIFF) is an audio file format standard used for storing sound data for personal computers and other electronic audio devices. The format was co-developed by Apple Computer in 1988 [1] based on Electronic Arts Interchange File Format (IFF, widely used on Amiga systems) and is most commonly used on Apple Macintosh computer systems. AIFF is also used by Silicon Graphics Incorporated.
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AIFF extension, extension used to identify a certain type of sound file

Audio IFF