Eliminating zipper noise
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When using an expression pedal or certain Controllers, it is possible to sometimes hear a rough transition. This choppy sound, or "zipper noise", is a result of discontinuities or jumps in the controller data, often resulting from the limited resolution in MIDI CC values. The Axe-Fx has easy fix for these issues. In the Modifier settings, there is a DAMPING parameter for smoothing input data. Setting it to 4 or 8 ms should smooth out most expression pedal issues without causing any response time lag.
