Raspberry Pi Pico 2 - hands on with audio application - ported Organ and FM synthesizer from ESP32

Just got my hands on the Raspberry Pi Pico 2 with the RP2350 microcontroller.
It has dual Cortex-M33 cores running at 150MHz with 520KB of on-chip SRAM.
For a test drive, I ported two of my projects:
— a basic Organ
and an FM Synthesizer
that I originally had running on an ESP32.

The audio you hear is straight from the RP2350’s filtered PWM output.
It’s a bit distorted, and I had to filter out some high-frequency noise in post,
but I’m pretty happy with how it turned out

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ESP32 FM Synthesizer:    • ESP32 Synthesizer - FM Synth MIDI module, ...  
Organ on 6 different platforms:    • Synthesizer library (organ) on 6 different...  

Projects can be found on GitHub: https://github.com/marcel-licence
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Intro: (0:00)
Setup: (1:29)
FM synthesizer with different presets: (01:54)
Organ with two manuals: (03:16)
FM synthesizer with different algorithms: (06:24)