How to create an auto-scratch / noise Instrument Rack in Ableton Live
Scratchy for Ableton is an Instrument Rack based on the standalone Scratchy instrument and is used to create scratch-like rhythmic sounds.
It’s basically white noise (generated by Operator) fed through a gate, low pass filter, LFO and various effects. The timing on the filter / LFO can be changed to create rhythmic variations which, when fed through the gate, create something akin to scratching.
Scratchy does not require Max for Live as it’s created using just standard Ableton instruments and effects.
Here’s how to make it: