In Ubuntu Jaunty often there are still many problems with the audio.
Before asking for help on ubuntu forums or look strange things, from personal experience, I recommend to update the audio subsystem ALSA to version 1.0.19 to version 0.9.15 and pulseaudio
The thing is really easy because we rely on a repo, and then nothing compilations;
1) Add the repository
themuso / ppa / ubuntu jaunty main deb http:// ppa.launchpad.net / themuso / ppa / ubuntu jaunty main
the sources.list (sudo gedit / etc / apt / sources.list or from System-Administration-Software Sources)
2) certifying the repository with the command
keyserver.ubuntu.com B88A1AA8 sudo apt-key adv - recv-keys - keyserver keyserver.ubuntu.com B88A1AA8
3) Updating the list of packages (sudo apt-get update)
4) Now you will find between updates alsa and pulseaudio. Install updates and reboot the PC.
Fin 
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error gives me the key! says that is not available
@.:
usual error formatting wordpress, Replace - to - - (dash with two hyphens).
Anyway thanks for this "alert", now I install some plugins to solve the problem
Forgive me but I can not find the alsa 1.0.19 is not there for me to upgrade and are still with the 1.0.18.
thanks
@ Axhell:
're using ubuntu jaunty?
however odd, should appear between updates
@ Obo:
E 'is strange! 'm Going even with the browser in the repo and Nos. I found the alsa packages ... maybe they took them? I needed the alsa updated ... Not really I do not know compilalrli But you're most comfortable with the repo
ok now go!
I installed the new version of PulseAudio.
Alsa ... but not that I was interested!
Siii ... now working without a pulse audio and flash movies first silent hours are from God ....!
GRAZIE 1000!
I ay the repo in my sources.list but I can not find the update alsa ...
Could you help me?
@ Damiano Zito:
if I can find another trusted repo refresh the page.
puleaudio apart in the PPA that alsa is no longer present