[Webkit-unassigned] [Bug 221553] Audio is sometimes distorted when using createMediaElementSource

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=221553

--- Comment #2 from Luigi Pulcini <luigi at luigipulcini.com> ---
Hi, Chris,

Thank you so much for checking this so promptly.

Interestingly enough, after receiving your comment, I tested that player again and now the problem seems to occur right when the player starts, whatever is the audio file and the initial sample rate. Then it is likely to disappear (but not always) when switching the sample rate of the device.

So, a new test you could do is this:

1) start the playback on any file
2) change the device sample rate
3) switch to any other file

If you repeat steps 2 and 3 repeatedly, you might notice that audio distortion starts when doing 3) and stops (most of the time) when doing 2).
At least, that is my latest result on STP 119.

By the way, the video shows a test with the built-in audio device of my MacBookPro (OSX 10.15 Catalina). No Bluetooth headphones were involved but I did try with both the internal speaker and wired headphones connected to the audio jack of my MBP.

I hope this helps.

Best,
Luigi.

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