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Old 22nd November 2002
  #7
Gear Addict
 

pre-delay

Pre-delay on a reverb means that the processor holds the signal for a short period before generating the effect from it. So the effect waits a second before starting. (This is different from changing the length of the reverb, which is about decay time.) The pre-delay allows the ear to hear the original sound as separate from the reverb, so the reverb doesn't muddy up the sound as much, just provides a kind of padding behind it. Very useful. Try putting a reverb on a vocal with no pre-delay (set it to 0) and then add some (say, 60ms), and you'll hear the difference. You'll find you can use more reverb this way without cluttering the sound. (Not that I'm encouraging more reverb...)