CPU adds both streams (I2S stream is compressed to 24bit), and then SAI1A module transmits them by S/SPDIF protocol. This software is based on STM32CubeIDE 1.4.0 (for macOS) auto generated code.
This is a Linux kernel module that outputs an audio stream in the S/PDIF format. The module is an ALSA sound card driver. It includes a software encoder to generate the S/PDIF stream and uses the I2S ...
After the initial general article about the different connection methods between a Transport and a DAC unit, and the first practical one regarding clock substitution and relative benefits and limits, ...
(Sony/Philips Digital InterFace) A serial interface for transferring digital audio from CD and DVD players to amplifiers and TVs. S/PDIF is typically used to transmit PCM and Dolby Digital 5.1 ...