Attendees hear echo and feedback from calls on older iPad devices since iOS 15.4

[simmkyu]

What happened and what did you expect to happen?

In the WebKit Bugzilla, several people reported echoing issue during WebRTC calls since iOS 15.4:

• REGRESSION (iOS 15.4): Echo & Feedback from Microphone of devices with A10 Processor
  https://bugs.webkit.org/show_bug.cgi?id=239860
• REGRESSION(iPadOS 15.4): Safari iPad WebRTC participants introduce echo into a meeting after 2 minutes
  https://bugs.webkit.org/show_bug.cgi?id=239285

Have you reviewed our existing documentation?

• GitHub issues
• FAQs page
• README page
• Feature-specific guides

Reproduction steps

In iPad devices with the A10 processor and iOS 15.4, join a Chime SDK meeting using the iPad internal microphone. You can hear echo and feedback from the meeting.

Amazon Chime SDK for JavaScript version

All

What browsers are you seeing the problem on?

iPad Safari

Browser version

15

Meeting and Attendee ID Information.

N/A

Browser console logs

N/A