11-04-2024, 10:53 AM
Are you using the first HDMI port, the one nearest the power port on the Pi4?
The launch string for trx-rx should have -d default:vc4hdmi0 and the audio device connected to the HDMI port must be on.
The launch string for trx-rx should have -d default:vc4hdmi0 and the audio device connected to the HDMI port must be on.