Finding which tab is playing audio in Google Chrome or for that matter in any browser is difficult, but there is a Chrome extension for that but that should’ve been native feature in Google browser. And guess what! bug submitted long in 2008 to have “per tabs control over sounds in webpages” have been fixed and Chrome browser to show audio indicator for each tab that is playing music so that you can identify and close them to save precious memory resources.
How to test Audio Indicators feature in Google Chrome browser?
1. Download and install Chrome Canary build on your computer.
2. Visit YouTube site in your browser and try to play any video.
3. You’ll see an audio indicator on YouTube playing tab looks similar to music equalizer.
FYI Google already offering Chrome Toolbox extension that lets you mute all tabs and discover with other hidden features. You may interested to read How to Find and Close that YouTube Video Playing Tab in Google Chrome Without using any Extension.
Thanks to Francois beaufort.
Audio Indicators feature will soon be ported to dev. channel and it takes some time to officially available for all users with release channel.