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Overview - Chapter 3
Q20 Reference Manual 37
Triggered Panning with Doppler
This EQ Type creates the effect of audio moving back and forth between the left
and right outputs. The ÒtriggeredÓ part means that the effect only occurs when
triggered by one of a variety of sources, including: Audio (Left, Right or Both),
Advance Footswitch or Bypass Footswitch. Once the Panning effect is triggered, it
can sweep from either left to right or right to left (Retrigger Point), either once or
continuously (Sweeping Mode), depending on how you have the parameters set up.
Speed
Speed (Parameter mode, Page 1) controls the rate at which audio will be panned
between the two channels. It can be set between 0 and 99, with 99 being the fastest.
Doppler
Doppler (Parameter mode, Page 1) recreates the natural effect of pitch shifting
that occurs when an object approaches and then passes you (example: an ambulance
siren changing pitch as it races past you). It has a range of 0 (off) to 99 (maximum).
Distance
Distance (Parameter mode, Page 1) controls how far forward or back the panned
sound appears to be. At higher settings, the far L and R ends of the pan are not
audible.
Retrigger Point
Retrigger Point (Parameter mode, Page 2) determines on which channel (Left, Right
or Alternating Left/Right) the panning motion will begin.
¥ When set to LEFT or RIGHT, the Panning effect will begin on the selected
channel when triggered.
¥ When set to ALTERNATING L/R, the panning motion will alternate between
beginning on either the Left or Right channel when triggered.
Sweeping Mode
Sweeping Mode (Parameter mode, Page 3) determines whether the Panning effect
will occur only once, or continuously.
¥ When set to ONE CYCLE ONLY, the Panning effect (when triggered) will move
from one channel to the other and back, and then stops until it is triggered
again.
¥ When set to CONTINUOUS, the Panning effect (when triggered) will move
from one channel to the other and back again over and over, until it is triggered
again (at which point the cycle begins again).