matrix-voice
There are 2 repositories under matrix-voice topic.
Romkabouter/ESP32-Rhasspy-Satellite
The repo has implementing an esp32 standalone MQTT audio streamer. Is is desinged to work as a satellite for Rhasspy (https://rhasspy.readthedocs.io/en/latest/). It supports multiple devices
sskorol/matrix-voice-esp32-ws-streamer
Matrix Voice streaming via WebSockets.