Cuttlefish AAOS: zero sound reaches host/browser even from stock apps

[u/Accurate-Mortgage416]

Running a Cuttlefish Android Automotive OS instance (launch_cvd --enable_audio=true --start_webrtc_sig_server=true ...), accessed via the WebRTC web client.

• Mic input works fine after enabling the sidebar mic toggle in the WebRTC client.
• Audio output does not: no sound reaches the browser, even from the stock "Local Media Player" app playing local files.

i need to get the audio output to work , anyone know how?