Quantity   Component name
1 × atmega 328 Microcontroller with Arduino bootloader.
1 × speaker junkbox speaker.
1 × linux compile the crusher source code.
1 × an audio sample something you want to be played back through the microcontroller.
1 × audacity wave file editor for modifying your audio sample and export to 8-bit unsigned raw-headerless.
1 × HxD http://mh-nexus.de/en/hxd/ - hex editor to export audio sample to something my program can understand.
1 × youtube I have a full demonstration uploaded to youtube which explains all steps required.