Tyler Worman over at MAKE wrote up this great tutorial on building a three-switch effects looper for the BeagleBone Black.
Many artists will use looping stations to slowly build up an entire song in real-time as they play, recording one track at a time. There are plenty of great examples of this on YouTube. This project will show you how to use a BeagleBone Black, sound card, Python, and Pure Data to build an audio looping station for use with instruments. This looping station will allow you to build a loop, alter tempo, and adjust the loop as it plays. You’ll also lay the groundwork for building very complex synthesizers and effects pedals using the BeagleBone and Pure Data.
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