'''For Discord users, this is possibly the reason why you cant hear anything from your Chrome browser videos.'''
Hello,
this solution completely worked for me, as discord automatically muted Chrome after I messed with some mic and audio settings. Took me a bit of troubleshooting to figure it out, its actually a feature which enables discord to reduce or completely mute the sound from other apps while you or someone else is talking. If you change the settings of discord before you got the audio problem on Chrome, you know why now.
Thank you for this topic, saved me a lot of time!