Grain Freeze is a manual scanning granular synthesizer/sample player based on the “really useful granulator.”
There are two pages, accessed by the Aux button. Each parameter has knob control.
The bottom row of the keys access what buffer for the granulator to use. Samples need be named as “0.wav” incrementally to “13.wav” in the root folder to be loaded.
The first C# key turns the granulator on or off.
Please see the Youtube video for a run through of features: https://youtu.be/5v5gZW2_Ux0
Source pure data patch from the “really useful plugins” website: https://reallyusefulplugins.tumblr.com/richsynthesis