• Most objects in Max that play audio files usually reference data that has been loaded into RAM via a buffer~ object. sfplay~ is unique in that it streams audio directly off your hard drive.
• You may prefer to use sfplay~ for large audio files that you don't want to load into memory, or for playback functions that don't require extensive playback manipulation.
• sfplay~ does supports variable speed playback, sample accurate cue looping and triggering, signal outputs for playback position, and correct playback of files with sampling rates different than the current sampling rate.
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