Audio/MIDI multitrack recording software
MultitrackStudio
Manual : Auto Wah

Auto Wah

The Auto Wah is a resonant low pass filter.Its cut off frequency goes up if the signal level goes up and vice versa.

Auto Wah window
Auto Wah window

The Frequency knob sets the lower limit for the filter frequency. Range sets the difference between the highest and lowest filter frequency. Sensitivity determines how much the filter frequency changes in response to a certain input level. The Attack and Release knobs determine how fast the filter frequency responds to level changes.