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Often, I am listening to music of my choosing. Is there a way to preemptively turn off all sounds originating from websites? I don't want to click the 'mute' button once the page loads. And sometimes, it won't even have a mute. :-/

I use Chromium and FireFox.


I use XFCE, so my menu options are different. Is this a gnome-specific utility?

Or, what is the command for this utility?

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up vote 10 down vote accepted

After an application has been launched and begun playing audio, you can mute it through the Sound Preferences menu:

sound menu capture

On the sound preferences tab you can selectively mute applications:Sound preferences menu

Since Flash plug-in is not part of the browser, it must be muted separately: Sound preferences, Firefox and flash

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You might mention that if you want to mute the web browser, you have to do it while a web site is actually playing sound; otherwise the browser/plugin-container won't show up in the list of applications. – cscarney Feb 1 '11 at 6:49
Please add that you can need to mute Flash and the Browser. If Flash is run in a a different process (like Firefox does), it will be shown as a different slider on the tab- It is that plugin-container in your screenshot. – Javier Rivera Feb 1 '11 at 8:29
@michael That sounds like exactly what I want. Is that a gnome-specific tool? I use XFCE, although gnome is installed, so if I know what the utility is, I can probably run it manually. But the menu is different: I don't have a Sound Preferences menu – David Oneill Feb 1 '11 at 14:27
@David: This is the default Ubuntu Sound Indicator. I don't know if indicators run on XFCE. Anyway this is a Pulse Audio feature, it should be exposed on other volume controls. – Javier Rivera Feb 1 '11 at 14:33
Make then sound ;). It only shows programs that are silenced or currently playing sound. – Javier Rivera Feb 1 '11 at 14:44

For Firefox, the Muter extension works perfectly for me. It adds a mute/unmute button to the add-on bar. That functionality should really be part of all web browsers but it isn't, so this extension seems to be the solution.

(Works for me on Firefox 21 / Ubuntu 12.04LTS)

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