On 30-09-2022 05:08, Mark H Weaver wrote:
> One of the differences between Firefox and IceCat is the default value
> of the "privacy.resistFingerprinting" setting in <about:config>.  The
> default in Firefox is "false", and the default in IceCat is "true".
> 
> I've found that some audio/video players that misbehave in IceCat will
> start working correctly if you set "privacy.resistFingerprinting" to
> "false".  It might be worth a try.

That avoids the 'low pitch' issue for me.

Greetings,
Maxime.