Muting sounds in a Chrome tab
Although I still prefer the Firefox’s developer tools for debugging, I have switched to Chrome almost exclusively for my day-to-day browsing.
A while ago, Chrome added an audio icon to indicate which tabs were playing sounds.
While I love this feature, I always wanted a way to manually mute a single tab. Well, there is a way and I can’t believe I never knew about it until now. Just copy and paste the following into Chrome’s address bar and enable the audio mute option:
chrome://flags/#enable-tab-audio-muting
Now I can click on the audio icon and mute a single tab without having to mute my entire computer.
Malvin Ly 
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