Bellow is a question i initially posted on reddit, after some digging i installed firefox extension YouTube™ Flash-HTML5 (https://addons.mozilla.org/en-US/firefox/addon/youtube-flash-html5/) and started using HTML5 for a few days the problem was present, after switching to Flash the problem described below was gone. is there a possibility that when HTML5 is used in youtube the sounds get distorted? if so is there a way to fix this? QUESTION on Reddit:Windows 10 x64 notification sounds gets distorted (Playback devices--Test sound), usually when opening youtube in firefox, currently using default win drivers (tried realtek drivers with no luck). When that happens i have to go into playback devices--->Properties---->Advanced, and change Default format (Sample Rate) then it goes to normal. Is anyone else experiencing this? System Spec. http://speccy.piriform.com/results/EqBokgzr5UM5IlScSO3K5IM