[Webkit-unassigned] [Bug 248183] New: Long delay when switching audio input in Google Meet

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=248183

            Bug ID: 248183
           Summary: Long delay when switching audio input in Google Meet
           Product: WebKit
           Version: Safari 16
          Hardware: Mac (Apple Silicon)
                OS: macOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yiaayzamzn at gmail.com
                CC: youennf at gmail.com

We are experiencing a long delay when trying to switch between external and internal microphones as audio input in Google Meet.

Steps to reproduce:
Join the same meeting from Chrome and Safari on the same computer. 
Turn on the speaker in the meeting in Chrome. 
Turn off the microphone in Chrome. 
Turn off the speaker in Safari. 
Turn on the microphone in Safari.
Speak while switching between two different microphone sources. Check how long it takes until you hear your echo from Chrome.

Now, do the same but reversed:
Turn on the speaker in the meeting in Safari. 
Turn off the microphone in Safari. 
Turn off the speaker in Chrome. 
Turn on the microphone in Chrome.
Speak while switching between two different microphone sources. Check how long it takes until you hear your echo from Chrome.


I tried using an Airpod and using a wired Sony headphone as the external source. I also tried in Firefox and Chrome. The delay of switching audio input in Safari is significantly longer than the delay in other browsers. Here are some of my experimentation results:

With Airpods using bluetooth:
In Chrome
Airpod to internal microphone: 1-2s
Internal microphone to Airpod: 4s

In Safari
Airpod to internal microphone: 4s
Internal microphone to airpod: 6-7s

In Firefox
Airpod to internal microphone: 1s
Internal microphone to airpod: 2s

With Wired Sony headphone
In Chrome
Airpod to internal microphone: Almost instantly
Internal microphone to headphone: Almost instantly

In Safari
Airpod to internal microphone: 2s
Internal microphone to headphone: 3-4s

In Firefox
Airpod to internal microphone: Almost instantly
Internal microphone to headphone: Almost instantly

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.webkit.org/pipermail/webkit-unassigned/attachments/20221121/f3ee2533/attachment.htm>