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to understand: does the issue occur only after a certain number of participants are in the room? does it go away if you set

expWebAudioMix : true

un your room settings?

when we were trying it internally with 3-5 ppl it was ok, in production streams with 7+ people it was noticeable and it seemed to get worse with time. We’ll try the option you’re suggesting and I’ll post feedback here.

there are some restrictions by browsers concerning the maximum number of simultaneously playing audio elements. I think chrome mixes only the three loudest together IIRC.

and is there some recommendation regarding bitrates? we’re now using

32_000

(

AudioPresets.music.maxBitrate

) for everything because we had troubles getting microphone volume on-par with the music and increasing the bitrate (from

AudioPresets.speech.maxBitrate

) helped…

32kbps is more than enough for mono. If you are playing music in stereo, you could try to increase that even further. Folks have reported a noticeable quality increase for stereo content

@polite-kilobyte-67570 So far we’ve increased bitrates for instructor to: • music track -

96kbps

• microphone track -

48kbps

decreased bitrate for participants to

20kbps

plus enabled

expWebAudioMix

and disabled

dtx

for instructor and it seems to have made a big difference. We’ll try combinations of

expWebAudioMix

and

dtx

ON/OFF to see what really helps.