E-Mu ESI-32 Operation Manual page 127

Zero X Threshold
Ignored
-30dB
-96dB
Selected
Slope of
Wave
+ -
-30dB
-96dB
Adjust the zero crossing threshold according to the type of wave you are processing. A setting of -96
dB is most sensitive and can be used for finding the start point of a sound. Settings closer to -30 dB
are less sensitive and suited for finding zero-crossings in complex waves.
(Set at -30 dB)
Slope of
Wave
+ -
Ignored
Selected
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Digital Processing