Chapter 3 - Overview

Trigger Source

Trigger Source (Parameter mode, Page 4) determines what will trigger the Panning effect. This can be set to: Audio Left, Audio Right, Audio L & R, Advance Footswitch or Bypass Footswitch.

¥When set to AUDIO LEFT, AUDIO RIGHT or AUDIO L & R, the Panning effect will be triggered whenever an audio level greater than -12 dB is sensed at the selected input(s).

¥When set to either ADVANCE FOOTSWITCH or BYPASS FOOTSWITCH, the selected footswitch will not perform its normal function (that of advancing to the next Program or bypassing effects, respectively). Instead, the Panning effect will be triggered when the selected footswitch is pressed.

Phase Inverter

The Phase Inverter effect serves only one function: it shifts the phase of the audio being fed into its input by 180°. Phase inverting has many useful applications, one of which is used to record additional tracks on a multi-track recorder in order to simulate a surround effect. The Phase Inverter has only one parameter: Output Phase. When the Output Phase is set to INVERTED, the phase of the audio is shifted 180°. When set to NON-INVERTED, the audio is left unchanged.

This can be useful for a varity of sound design applications. Try creating your own feedback loop in a delay (by making a route which feeds back into the delayÕs input) and inserting this phase inverter. Or try flipping the signal out of phase before sending it through a chorus or flange for a thinner sound. The Phase Inverter can also be useful in video post production as a quick and dirty surround panner.

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Q20 Reference Manual