LoopPI – A DIY Four-Track Audio Looper For Raspberry PI

LoopPI is a DIY, standalone four-track audio looper made for the Raspberry PI computer.

The Raspberry Pi is an inexpensive computer platform, designed for hacking and embedded use.

LoopPI, created by Szymon Kaliski, is standalone audio looper, made with Raspberry PI, with audio part in ChucK, and interface (8 hardware buttons and 8 potentiometers) in Node.js.

Each row of controls consists of two buttons and two potentiometeres. First button toggles recording on and off, second one clears the loop, first potentiometer controlls the loop volume, and second one controls feedback. Each loop is 8 seconds long, with independent volume and feedback controls.

Audio processing is written in ChucK (C-like language for audio), and interface (buttons, potentiometers and LCD) in Node.js.

Source code is available on GitHub.

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