Problem with my interactive avatar

Dear Developper, I have been trying to embed on my website a custom interactive avatar but when I try to use it via another device (iphone) or through some Webbrowser I get an error message.

The error shown is: "Failed to start session: AudioContext.createMediaStreamSource: Connecting AudioNodes from AudioContexts with different sample-rate is currently not supported". This only happens when I try to use the embedded custom interactive avatar for example with Firefox. Or when I use it via my mobile phone. When I use the avatar with safari or google chrome, everything seems to work but only when I use a desktop device.

Could you help me to better understand the issue? How can I avoid to have this strong dependency on the webbrowser and/or device?