[Webkit-unassigned] [Bug 187226] New: Monitoring sender stream with WebAudio causes audio corruption in receiver audio streams

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187226

            Bug ID: 187226
           Summary: Monitoring sender stream with WebAudio causes audio
                    corruption in receiver audio streams
           Product: WebKit
           Version: Safari 11
          Hardware: iPhone / iPad
                OS: iOS 11
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: webkit at xylil.com
                CC: youennf at gmail.com

I use Hark (https://github.com/otalk/hark), a simple wrapper around the WebAudio API, to attach to a sender's mic stream to monitor for volume changes.

When I do this, inbound audio tracks on a peer connection attached to an audio/video element have corrupted audio: missing sound, skipping, static -- basically so bad it's unintelligible. The audio is even corrupt on other inbound audio streams not related to the outbound audio, so I'm guessing this is a global audio processing issue.

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