[Webkit-unassigned] [Bug 239285] Safari iPad WebRTC participants introduce echo into a meeting after 2 minutes

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Apr 27 14:40:29 PDT 2022


https://bugs.webkit.org/show_bug.cgi?id=239285

Andy Bowles <andy at realbridge.online> changed:

           What    |Removed                     |Added
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                 CC|                            |andy at realbridge.online

--- Comment #2 from Andy Bowles <andy at realbridge.online> ---
We've also had this problem with a WebRTC app. We can reliably reproduce the problem.

We think it occurs with:
- iPad 4th gen
- iPad 6th gen
- iPad 7th gen
- iPad Pro 10.5 2nd den
- iPad Air 2

It doesn't occur on
- iPad 8th gen
- iPad Pro 11" (2020)

It occurs on iPadOS 15.4, 15.4.1 and the current 15.5 beta.
It doesn't occur on 15.3.1 or earlier.

We've confirmed in the debugger that echo-cancellation is enabled.

Interestingly, the list of affected devices seems to correlate with the list of devices that don't support Voice Isolation:
https://support.apple.com/en-gb/guide/ipad/aside/ipadf6d02bc0/15.0/ipados/15.0

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