Audio Interchange File Format
From Hydrogenaudio Knowledgebase
Audio Interchange File Format (AIFF) is an audio container format developed by Apple Computer for their Macintosh computers.
It is, in a sense, the Mac-world equivalent of the Miscrosoft WAV format.
It supports multichannel streams, high sampling rates and high bit depths. The amount of audio data it holds is limited to 2Gb.