Use the Volume Mixer in Windows as explained here.
There exists no switch for it as far as I am aware. You could only manually mute each tab by clicking the favicon every time.
Thx but your solution is bad.
Finaly I install opera extension.
Do more on the web, with a fast and secure browser!
Download Opera browser with:
At Opera site: http://www.opera.com/computer/portable This is x64 Where is x86?
Are you on a x86 system? Is your browser 32 bits?
The installer should download the version compatible with your system.
i have x64 OS and i need to download x86. So i need to find computer x86 and download and install on it? it is bad...