No sound in Kubuntu 11.04
a_johnlonger at yahoo.com
Mon May 30 11:32:10 BST 2011
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
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
----- 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
> > 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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