S/PDIF receiver library for Raspberry Pi Pico series

ESP32 Webradio with access to DLNA media servers

A low-cost USB audio interface with S/PDIF optical output, based on the Cmedia CM108 ASIC.

Software Dolby Digital Live / DTS Connect-style encoder for Windows: a virtual 5.1 audio device that encodes any multichannel PCM to AC3 (Dolby Digital) in real time and streams it over S/PDIF (Toslink/optical) to an AV receiver. FFmpeg AC3 + WASAPI exclusive passthrough; a SoundPusher-for-Windows approach.

Simple TOSLINK to USB + S/PDIF receiver. Someday + HDMI ARC + HDMI CEC.

TOSLink fibre data capture for Pipistrello (Xilinx SPARTAN 6)

This device is for switching TOSLINK signals automatically.

A bespoke, truly-gapless, CD-quality, stereo audio player for the Teensy 4.1 platform.

A Pmod™ Compatible peripheral module featuring a pair of active optical audio transmitter/receivers

Windows tray app that holds the optical carrier to a KEF W2 speaker, so it never relocks and never clicks