Diễn đàn hỗ trợ Firefox

I usually watch YouTube video's at 1.25x speed, and I noticed recently that it seem to make some audio distorted. So far I've only noticed it on lower notes, but it causes to sound a bit distorted and warbled.

I noticed it on this video: https://youtu.be/IubSudelVmw?t=429 at the tagged time, and also on a channel called The 8-bit Guy on his intro theme. https://youtu.be/d3NIe1jTZMc

Again, this is all at 1.25x speed (or faster), and this only seems to happen in firefox. I made sure to check and see if it was my speakers, which it isn't because I can also hear the distortion through headphones.

I'm not sure there's much to be done to correct the issue, but I thought I'd post about this in hopes it might get checked in a future update.

I am unable to edit videos I upload to YouTube in Firefox. Whenever I try to save, the page greys out and nothing happens. When I'm about the leave the page, I'm warned it will discard my changes. I've already tried disabling add-ons and tracking protection, but nothing. I can only edit videos when I'm uploading.