Phil Schatzmann

Arduino Audio Tools: Supporting ALAC - Phil Schatzmann Overview I am currently supporting quite an extensive list of audio codecs as part of my Arduino Audio Tools Library. I thought that I covered all available open source implementations. However last w...

I have added support for the Apple Lossless Audio Codec (ALAC): to my Arduino AudioTools project.
www.pschatzmann.ch/home/2025/06...

SD Read and Write Speeds on an ESP32 - Phil Schatzmann I did not find any comprehensive overview of the expected read on write speeds of the different Arduino SD APIs that are provided to access the SD drive. I also expected to see a difference Read more…

I was missing a compahensive overview of the SD read and write speeds using an Arduino ESP32. So I decided to measure and publish this data: www.pschatzmann.ch/home/2025/03...

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GitHub - pschatzmann/arduino-snapclient: Snapcast client for Arduino Snapcast client for Arduino. Contribute to pschatzmann/arduino-snapclient development by creating an account on GitHub.

I was wondering if the RP2040 can be used with my Arduino Snapclient Library: github.com/pschatzmann/....

I was stuggeling quite a bit and the audio was just auwful. The solution was to split up the Wifi and the audio decoding to the different cores.

The example can be found in the project.

GitHub - pschatzmann/adpcm: Lean ADPCM codec implementation from FFMpeg Lean ADPCM codec implementation from FFMpeg. Contribute to pschatzmann/adpcm development by creating an account on GitHub.

I released a new version of my microcontroller fiendly adpcm library.

I redesigned it to be a pure header-only C++ library and resolved some issues with stereo.

Further information can be found in github.com/pschatzmann/...

I finally managed to implement a Rasperry Pico USB audio speaker using my extended TinyUSB and AudioTools libraries.

Further information can be found in my blog: www.pschatzmann.ch/home/2025/01...