[Webkit-unassigned] [Bug 241223] New: AudioWorklet renders with glitches when playback

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=241223

            Bug ID: 241223
           Summary: AudioWorklet renders with glitches when playback
           Product: WebKit
           Version: Safari 15
          Hardware: Mac (Apple Silicon)
                OS: macOS 12
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Audio
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: lmillot at makemusic.com
                CC: cdumez at apple.com

When plugin headphones while an audioworklet is outputing sound, the sound in headphones has a big drop in quality and it becomes very choppy and full of glitches.
It seems it can be reproduced with any webpage using audioworklet for playback.
Open a page with an audioworklet which output a signal to destination node for instance: 
https://googlechromelabs.github.io/web-audio-samples/audio-worklet/basic/hello-audio-worklet/

Start playback, sound is fine through macBook speacker, plug headphones, then speaker stop rendering sound and sound playback is done through headphones but quality is very low, rendered sound is choppy and full of artefacts.

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