Introducing Pedalboard: Spotify’s Audio Effects Library for Python

This post introduces Pedalboard, a new Python audio effects library. It details its architecture built on JUCE, its ability to load VST3/AU plugins, and its performance advantages over existing Python libraries. The post highlights its use cases in ML data augmentation, automating content creation, and enabling creative audio manipulation for artists and producers. It also mentions its cross-platform compatibility (macOS, Windows, Linux) and its internal use at Spotify for processing millions of hours of audio.