[Webkit-unassigned] [Bug 213723] New: Echo cancellation doesn't work in WebRTC calls when using external microphone
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Mon Jun 29 03:48:05 PDT 2020
https://bugs.webkit.org/show_bug.cgi?id=213723
Bug ID: 213723
Summary: Echo cancellation doesn't work in WebRTC calls when
using external microphone
Product: WebKit
Version: Safari 13
Hardware: Macintosh
OS: macOS 10.15
Status: NEW
Severity: Normal
Priority: P2
Component: WebRTC
Assignee: webkit-unassigned at lists.webkit.org
Reporter: mawojtcz at cisco.com
CC: youennf at gmail.com
Steps to reproduce:
1. Connect a usb microphone (or a webcam with a microphone) to a Macbook
2. Use Cisco Meeting WebRTC app to join a call with Safari
Expected behaviour:
There should be no echo
Actual behaviour:
All other participants can hear an echo - basically the echo cancellation on Safari when using external microphone is not working correctly.
Further info:
We've double checked that the echo cancellation is enabled on the audio track. The same call works perfectly fine when using Chrome with the same equipment and our app, so it does seem that it's a Safari/Webkit issue. Also it seems to work fine on Safari when using internal microphone.
If you contact me directly I can provide a link to reproduce the issue with the Cisco WebRTC app.
The usb webcam with microphone that I was using in testing is Microsoft Lifecam HD-3000.
Same issue exists in Safari Technology Preview.
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