If you’re watching a youtube movie online, you can add &fmt=18 to the end of the URL in order to get high quality audio. Surprisingly, this higher quality audio is available on most things uploaded to the website. For example, visit this un-modified URL:
With the following URL, after &fmt=18 has been added to the end:
That’s not the most dramatic example of youtube improvement, mostly because that song sucks, but it was the first URL I had handy (don’t ask). Okay, a better example: compare
to the better sounding
I have no idea why this works, or why it works. I can’t find anything on the webpage that links to the higher quality URL; maybe I missed something?