Results

Simulations

Simulink

In order to listen to the effects, a short MATLAB script was written to load a clean guitar audio sample into the MATLAB workspace to be used by Simulink.

From there we could simulate the audio effects, save the resulting audio file, and listen to it.

load_audio.m

Distortion Circuit

Wah Circuit

multisim Scope outputs

Distortion Off

Distortion On

Prototypes

breadboard

Input Buffer and Active Filter

Veroboard

Distortion

Power and Controls

Input Buffer and Active Filter

Link