[PlanetCCRMA] Pd + PulseAudio?

Niels Mayer nielsmayer at gmail.com
Wed Mar 24 12:10:50 PDT 2010

One may also be surprised at the additional places ALSA or pulseaudio might
be "bound" by Gnome.Consider running
 'gconf-editor /system/gstreamer/0.10/default'
to see what settings you've got. The intermittencies you've noted could be
because other parts of the system (web, chat, music players, desktop noises)
might be silently binding your audio ports.

For example I set /system/gstreamer/0.10/default/musicaudiosink to 'alsasink
which lets music players like rhythmbox directly produce digital audio out
on the TOSlink fiber port on my ASUS  motherboard...


On Wed, Mar 24, 2010 at 11:49 AM, Niels Mayer <nielsmayer at gmail.com> wrote:

> On Tue, Mar 23, 2010 at 8:26 PM, Peter Kirn <peter at createdigitalmedia.net>wrote:
>> Looking at AlsaMixer as you suggest, I definitely see the HDA Intel
>> card. Master and PCM have volume levels; Headphone and Speaker show up
>> but do not have mixer values.
> ...
>> "control open "hw:intel" (No such device)
> Cannot initialize driver"
> Hunches:
> Something is unexpectedly grabbing your hw:intel controls.
> Consider that X/Gdm launch pulseaudio, so you can have those cute noises
> when you mistype your password; it will therefore grab the hw:intel
> controls. By totally removing pulseaudio, this can't happen, ever.
> Consider also that these intel cards often include a semi-shared HDMI audio
> portion e.g.
> ##  1 [SB             ]: HDA-Intel - HDA ATI SB
> ##                       HDA ATI SB at 0xfb7f4000 irq 16
> ##  2 [HDMI           ]: HDA-Intel - HDA ATI HDMI
> ##                       HDA ATI HDMI at 0xfb9fc000 irq 19
> Perhaps also consider disabling the HDMI portion to prevent interference
> from that (as well as not loading extra drivers that you're not using).
> (from /etc/modprobe/*.conf: )
> alias snd-card-1 snd-hda-intel
> options snd-hda-intel index=1,2 enable=1,0
> As a half-step towards preventing problems, you can also even w/ pulse
> running, disable all system sounds and all error warning sounds. That causes
> a whole class of sound system lockups in and of itself. However, once you've
> gone that far, you might as well go all the way and follow my original
> suggestion:
> http://old.nabble.com/uninstall-pulseaudio-to-increase-audio-app-stability-across-updates-%28was-Re%3A-yum-update%29-tp27759501p27759501.html
> -- Niels
> http://nielsmayer.com
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