Korg Pa4X User Manual page 558

544| Audio In/Out and the Voice Processor
Editing the Filter effect
While in the Voice Preset > Filter & Hard Tune
Filter effect.
This effect uses steep filters to emulate the sound of radios, phones and
devices that generally degrade the audio signal.
Choosing the Filter set
▪
Use the Set pop-up menu to choose settings for the Filter block.
The Routing and
Adjusting the level
▪
Use the Level
Gate Threshold
parameter to adjust the level for the Filter effect.
page, you can program the
parameters are not part of the set.