DSPi: a fully featured audio DSP firmware for the Raspberry Pi Pico (RP2040) and Pico 2 (RP2350)

Weeb Labs has published DSPi on GitHub, a firmware that turns a Raspberry Pi Pico or Pico 2 into a USB sound card with an onboard DSP engine. It handles room correction, active crossovers, parametric EQ, time alignment, loudness compensation, and headphone crossfeed. Both chips run at a fixed 307.2…

hardware

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