4 ms·Some of those videos don't have audio, as far as I can tell...by DidYaWipe 2y agoSome of those videos don't have audio, as far as I can tell...tjoff 2y agoThe youtube links explains why: "No audio as a result of copyright." And also has a link to the audio that you can play alongside.DidYaWipe 2y agoOf course, we can't expect Google to respect the obvious fair-use nature of these demonstrations.