No sound in Kubuntu 11.04

[John Woodhouse]

I found that sound improved after I installed VLC and even the kmail sound 
notification still worked.

I accepted a kde base lib update the other day. For some reason it set up hdmi 
on my graphics card as the default yet again and switched phonon's back end to 
xine and pushed the vlc one to the bottom of the preference list. Gstreamer is 
in the middle.


Initial impression of the xine back end is that sound is good. ;-) Need to 
receive more emails to get an idea. I use an old sound blaster echoing thunder 
sound file. There may be a problem though. Kmail defaults to gstreamer and I 
wonder if applications pick from the available phonon backends to suit 
themselves and phonon accepts input from any of them. Installing vlc may have 
caused it to hook up to all sound sources and the update may have changed that..

You may do better to ask on the Kubuntu forum about this. It's odd really as I 
did try Kubuntu and it's official installs looked to be ok. Didn't load VLC 
though. What put me off was the fact that I couldn't find a way of using the 
root account.

John
Opensuse 11.4 KDE 4.6.0 - 6. (VLC 1.1.9 packman build for opensuse)

As an aside I altered vlc.desktop such that it notifies kde when it's starts up 
just like kde apps do. The cone no longer bounces about for long after the app 
has started.




----- Original Message ----
> From: Duncan <1i5t5.duncan at cox.net>
> To: kde at mail.kde.org
> Sent: Mon, 30 May, 2011 7:09:55
> Subject: [kde] Re: No sound in Kubuntu 11.04
> 
> Marcelo Magno T. Sales posted on Sun, 29 May 2011 18:42:33 -0300  as
> excerpted:
> 
> > I've tried phonon-vlc backend for a few days and it  indeed does not fail
> > as the gstreamer one does.
> 
> Well, good  suggestion to try it, then. =:^)
> 
> > However, KDE sound events play  somewhat weird with the vlc backend.
> > So, I have to choose between system  that sounds ugly and another that
> > sounds good, but only for a few hours  before muting completely. :(
> 
> Ugh!  =:^(
> 
> From what I know of  the subject, the problem /may/ be sampling size/rate 
> related, particularly  if the sounds are much slower/faster than normal and/
> or off-pitch  ("chipmunk" high or "under-water" low), like an old-fashioned 
> record or tape  played at the wrong speed.
> 
> However, that's about the extent of my  knowledge, there.  Fortunately, 
> I've never had problems with that here,  unless I'm deliberately fiddling 
> with the speed.  In theory, it should  be fixable, but I've not the 
> foggiest how.
> 
> > I would like to try  pulseaudio with the gstreamer backend (this was my
> > preferred output  device in Kubuntu 10.04), but can't make it appear as
> > an output device.  After I have installed all pulseaudio related
> > packages, pulseaudio is  available as a capture device, but not as an
> > output device.
> 
> I've  never had pulse-audio on my system(s) at all, and really am not 
> interested  in having it, either.  Of course, Gentoo with its USE flags for 
> customization makes that easy enough in general.  To me, that's one  more 
> layer of complication I'd rather simply not deal with, so I simply  don't 
> allow it on my system.
> 
> Of course that means I have virtually no  knowledge on the topic, so for 
> that someone else will have to step  in.
> 
> -- 
> Duncan - List replies preferred.   No HTML  msgs.
> "Every nonfree program has a lord, a master --
> and if you use the  program, he is your master."  Richard  Stallman
> 
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