Download links for Alsa

Install Alsa
CommentPrerequisites: Make sure you are running the latest version of raring, and all your packages are up to date
1) Add the Audio dev team ppa (https://launchpad.net/~ubuntu-audio-dev/+archive/alsa-testing)
sudo add-apt-repository ppa:ubuntu-audio-dev/alsa-testing
2) Update apt and install the new alsa version
sudo apt-get update && sudo apt-get dist-upgrade
3) Restart your computer or session to load the new version before testing
Uninstall Alsa
CommentYou may remove the experimental packages by using ppa-purge
1) Install ppa-purge
sudo apt-get install ppa-purge
2) Remove the ppa
sudo ppa-purge ppa:ubuntu-audio-dev/alsa-testing
3) PPA Purge will find the packages installed and offered to downgrade them.
Say yes and ppa-purge will remove the upgraded versions and reinstall the versions from the archive.