How to tell if browser/tab is active, and turn down volume sound when user leave
15692
Is there a way to detect if a browser window is not currently active?
12993
How to know which program has just played sound?
138520
How to disable system beep for non-privileged user
62575
Can I make my Ubuntu make sounds when I press Caps Lock etc.?
156552
How to enable shutdown sound on ubuntu 12.04 LTS and up
156402
How can I make setInterval also work when a tab is inactive in Chrome?
132033
window.onbeforeunload and window.onunload is not working in Firefox, Safari, Opera?
24436
Now that Steam has removed the friends tab from settings how do I disable chat notifications sounds?
336
How can I play a sound when script execution is ready?
149330
Triggering an action when a specific volume is connected
147650
Can't tell which tab is active anymore
51632
Reset volume control to 80% before shutdown
68572
Easy way to switch default sound output device
91839
How to disable the Windows8 volume On-Screen-Display?
77571
Is there a javascript way to check if a browser natively supports MP3?
140045
How can I find out which tab is playing music?
14686
What is the Windows hotkey to minimise a single, currently active window?