An audio effect that can be used to adjust the intensity of stereo panning. An audio effect that can be used to adjust the intensity of stereo panning. $DOCS_URL/tutorials/audio/audio_buses.html Values greater than 1.0 increase intensity of any panning on audio passing through this effect, whereas values less than 1.0 will decrease the panning intensity. A value of 0.0 will downmix audio to mono.