Audio - Adafruit Fork
Adafruit SAMD51 port of Teensy Audio Library - Flexible, High Quality Audio Processing. A toolkit for building streaming audio projects, featuring Polyphonic Playback, Recording, Synthesis, Analysis, Effects, Filtering, Mixing, Multiple Simultaneous Inputs & Outputs, Flexible Internal Signal Routing, Automatic Streaming 16 bits, 44.1 kHz as the Arduino Sketch Runs.