Audio
Check that this computer can play sound and capture the microphone before a session. Nothing here is sent to the server.
Output (speakers)
Both sounds are generated in the browser. If you hear nothing: check the tab is not muted (speaker icon on the tab), the site sound permission (lock icon → Site settings → Sound), and the computer's output device and volume.
Input (microphone)
level rms -60 dB · peak -60 dB · max -60 dB
-60-40-20 (target speech)-3
The meter and gain only affect what you hear here. The real microphone level is set in the computer's sound settings; aim for speech peaks around −12 dB without touching the red.
What happened
nothing yet — press a button above