Changing the affected package to 'linux' per the instructions here: https://wiki.ubuntu.com/DebuggingSoundProblems
Additionally, I am updating the status to Confirmed because I am able to reproduce this (i also have a dv7 but with Ubuntu 9.04 installed, not kubuntu) and the reporter's fix provided works to successfully resolve the issue.
Changing the affected package to 'linux' per the instructions here: https:/ /wiki.ubuntu. com/DebuggingSo undProblems
Additionally, I am updating the status to Confirmed because I am able to reproduce this (i also have a dv7 but with Ubuntu 9.04 installed, not kubuntu) and the reporter's fix provided works to successfully resolve the issue.