[kde-linux] KDE 4 sound system still uses arts and doesn't work
kevin.krammer at gmx.at
Thu Jan 31 21:55:40 UTC 2008
On Thursday 31 January 2008, James Richard Tyrer wrote:
> Stefano Crocco wrote:
> > Hello to everyone,
> > I know this question might belong more to the Gentoo forum than here, but
> > I already tried asking there and I got no answer, so I'm trying here.
> > I'm using KDE 4 (installed in parallel with KDE 3.5) on a Gentoo system
> > with a Realtek sound card (azalia compatible), using the snd_hda_intel
> > kernel module, and I can't get the sound system to work. The Sound System
> > page in System Settings only shows aRts in the Device Preference page,
> > while KInfoCenter says: "No information availlable about Soundcard". The
> > result is that I hear no sound.
> > I think the problem lies in some wrong configuration of my sound card,
> > since, trying the SuSE KDE 4 live CD, everything worked perfectly
> > (including the sound card being listed instead of aRts in System
> > Settings). Yet, looking at the live CD /etc directory I couldn't find any
> > relevant difference from the Gentoo configuration. Searching google
> > didn't yield any useful result, either.
> The KDE4 sound system will NOT connect directly to hardware. So, you
> need something (a sound server) running such as Jack, PulseAudio, ESD,
> etc. Note, if using ESD, it doesn't seem to automatically start from KDE4.
No, it depends on the configuration of the Phonon backend. I.e. xine or
gstreamer can both output to several kinds of audio "sinks", including
directly to ALSA without any sound daemon in between.
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring
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