What is Earcandy?
EarCandy is a volume manager for PulseAudio that fades applications in and out based on your current activity. Meaning it can do handy things like muting your music playing when you decide to turn on a youtube video. EarCandy can sniff out applications to tell what kind of application they are
Video of it in action:
How to install Earcandy on Ubuntu Jaunty
You can do this by using the following command:
sudo kate /etc/apt/sources.list
Then add the following to the end of the file:
deb http://ppa.launchpad.net/earcandy-devel/ppa/ubuntu jaunty main
deb-src http://ppa.launchpad.net/earcandy-devel/ppa/ubuntu jaunty main
Then you can install earcandy by using the following command!
sudo apt-get install earcandy