[mythtv-users] ALSA and onboard sound card (ASUS A8V Deluxe with VIA K8T800Pro)

Joacim J jocke4news at gmail.com
Fri Jan 13 20:16:55 UTC 2006


Yes, I did that for a minute ago and they appeared fine but still the
terrible sound.
Do you have any idea?

I also saw that tey are named "VIA DXS" not DMX :-)

On 1/13/06, Brian Donaldson <brian.donaldson at gmail.com> wrote:
> I was also missing the DMX controls (yes, four of them) until I installed
> the latest version of alsa.  I'm running Fedora so I did the following:
>
> # yum install alsa-kmdl-$KVER  --KVER is the output of uname -r
> # yum install alsa-driver
>
> The four DMX controls showed up in alsamixer after this install.
>
> --
> Brian
>
> On 1/13/06, Joacim J <jocke4news at gmail.com> wrote:
> >
> > On 1/13/06, Joacim J <jocke4news at gmail.com> wrote:
> > > It's 5.1 and it should be the center that doesn't receive any signal.
> > > Using Xine and have "Pass through" configured in Xine. Even if it
> > > would be an old DVD with stereo sound the speach should go to the
> > > front speakers, instead.
> > >
> > > I am at work right now but will test it some more when I soon arrive
> > > home (it's friday 5.00 PM in sweden). Ok, since it's friday 13:th
> > > today the machine will probably not even boot ;-)
> > >
> > > // Joacim
> > >
> > >
> > > On 1/13/06, Steve Adeff <adeffs at gmail.com> wrote:
> > > > On Friday 13 January 2006 04:19, Joacim J wrote:
> > > > > On 1/12/06, Steve Adeff < adeffs at gmail.com> wrote:
> > > > > > > >
> http://www.mythtv.org/wiki/index.php/Asoundrc_alc850
> > > > >
> > > > > I have put the configuration file in the mythtv home, disabled the
> > > > > Sound System for mythtv user in FC4 by Control Center -> Sound &
> > > > > Multimedia and uncheck the box and rebooted.
> > > > >
> > > > > When testing it with the famous DVD "Winnie the Poo" (to keep my
> > > > > 2-years son happy) there was played music and such but no speach. I
> > > > > have experienced this some other time in the past but can not
> remember
> > > > > the solution.
> > > > >
> > > > > Why does this happen and what should I do?
> > > > >
> > > > > --
> > > > > Regards
> > > > > Joacim
> > > >
> > > > Is the DVD stereo or 5.1? It sounds like its 5.1 but your receiver
> isn't
> > > > picking up the center channel (where speach is usually placed). Why I
> can't
> > > > understand, since the asoundrc should (As it does with me) just pass
> the
> > > > audio stream from the dvd to your receiver. What are you using to
> playback
> > > > the DVD? I wonder if the software is doing something to the audio
> stream...
> > > >
> > > > --
> > > > Steve
> >
> > I have now looked things up a bit. I have S/PDIF (coaxial) connected
> > to my Harman/Kardon AVR-65, 5.1 receiver. Using Xine as player.
> >
> > When configuring Xine's audio as "Surround 5.1" I looses the speach
> > (center), all other sound works fine. Switching Xine's config to "Pass
> > through" I get a heavy cracking sound and no normal sound. Since I
> > want a pure digital signal to my receiver I think I should use "Pass
> > Through", or?
> >
> > One other thing I can see is that in alsamixer I don't have any DMX
> > controls. I have had them (4 of them I think) in a previous
> > installation. Shouldn't they be here?
> >
> > What can be wrong?
> >
> > Some configuration output:
> > [root at htpc ~]# more /etc/modprobe.conf
> > alias eth0 sk98lin
> > alias scsi_hostadapter sata_via
> > alias scsi_hostadapter1 sata_promise
> >
> > alias snd-card-0 snd-via82xx
> > install snd-via82xx /sbin/modprobe --ignore-install snd-via82xx &&
> /usr/sbin/als
> > actl restore >/dev/null 2>&1 || :
> > remove snd-via82xx { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; };
> /sbin/mod
> > probe -r --ignore-remove snd-via82xx
> >
> > #alias snd-card-0 snd-via82xx
> > #options snd-card-0 index=0
> > #options snd-via82xx index=0
> > #remove snd-via82xx { /usr/sbin/alsactl store 0 >/dev/null 2>&1 || : ; };
> /sbin/
> > modprobe -r --ignore-remove snd-via82xx
> >
> > alias char-major-81 cx8800
> > alias usb-controller ehci-hcd
> > alias usb-controller1 uhci-hcd
> > alias ieee1394-controller ohci1394
> > # nvidia kernel module
> > alias char-major-195 nvidia-1_0-8178
> > alias nvidia nvidia-1_0-8178
> >
> > alias char-major-61 lirc_gpio
> > [root at htpc ~]#
> >
> -----------------------------------------------------------------------------------------
> > [root at htpc ~]# more /home/mythtv/.asoundrc
> > # Override the default output used by ALSA.
> > # If you do not override the default, your default
> > # device is identical to the (unmixed) analog device
> > # shown below. If you prefer mixed and/or digital
> > # output, uncomment the appropriate four lines below
> > # (only one slave.pcm line).
> > pcm.!default {
> > type plug
> > ## Uncomment the following to use mixed analog by default
> > # slave.pcm "dmix-analog"
> > ## Uncomment the following to use unmixed digital by default
> > slave.pcm "digital"
> > # slave.pcm "digital-hw"
> > ## Uncomment the following to use mixed digital by default
> > # slave.pcm "dmix-digital"
> > }
> >
> > # Alias for analog output on the nForce2 (hw:0,0)
> > # - This is identical to the device named "default"--which
> > # always exists and refers to hw:0,0 (unless overridden)
> > # - Therefore, we can specify "hw:0,0", "default", or "analog"
> > # to access analog output on the nForce2
> > pcm.analog {
> > type plug
> > slave.pcm "analog-hw"
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.analog {
> > type hw
> > card 0
> > }
> >
> > # Alias for (rate-converted) mixed analog output on the
> > # nForce2 (hw:0,0)
> > # - This will accept audio input--regardless of rate--and
> > # convert to the rate required for the dmix plugin
> > # (in this case 48000Hz)
> > pcm.mixed-analog {
> > type plug
> > slave.pcm "dmix-analog"
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.mixed-analog {
> > type hw
> > card 0
> > }
> >
> > # Alias for (rate-converted) digital (S/PDIF) output on the
> > # nForce2 (hw:0,2)
> > # - This will accept audio input--regardless of rate--and
> > # convert to the rate required for the S/PDIF hardware
> > # (in this case 48000Hz)
> > pcm.digital {
> > type plug
> > slave.pcm "digital-hw"
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.digital {
> > type hw
> > card 0
> > }
> >
> > # Alias for mixed (rate-converted) digital (S/PDIF) output on the
> > # nForce2 (hw:0,2)
> > # - This will accept audio input--regardless of rate--and
> > # convert to the rate required for the S/PDIF hardware
> > # (in this case 48000Hz)
> > pcm.mixed-digital {
> > type plug
> > slave.pcm "dmix-digital"
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.mixed-digital {
> > type hw
> > card 0
> > }
> >
> > # The following devices are not useful by themselves. They
> > # require specific rates, channels, and formats. Therefore,
> > # you probably do not want to use them directly. Instead use
> > # of of the devices defined above.
> >
> > # Alias for analog output on the nForce2 (hw:0,0)
> > # Do not use this directly--it requires specific rate,
> > # channels, and format
> > pcm.analog-hw {
> > type hw
> > card 0
> > # The default value for device is 0, so no need to specify
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.analog-hw {
> > type hw
> > card 0
> > }
> >
> > # Alias for digital (S/PDIF) output on the nForce2 (hw:0,2)
> > # Do not use this directly--it requires specific rate,
> > # channels, and format
> > pcm.digital-hw {
> > type hw
> > card 0
> > device 2
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.digital-hw {
> > type hw
> > card 0
> > }
> >
> > # Direct software mixing plugin for analog output on
> > # the nForce2 (hw:0,0)
> > # Do not use this directly--it requires specific rate,
> > # channels, and format
> > pcm.dmix-analog {
> > type dmix
> > ipc_key 1234
> > slave {
> >    pcm "analog-hw"
> >    period_time 0
> >    period_size 1024
> >    buffer_size 4096
> >    rate 48000
> > }
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.dmix-analog {
> > type hw
> > card 0
> > }
> >
> > # Direct software mixing plugin for digital (S/PDIF) output
> > # on the nForce2 (hw:0,2)
> > # Do not use this directly--it requires specific rate,
> > # channels, and format
> > pcm.dmix-digital {
> > type dmix
> > ipc_key 1235
> > slave {
> >    pcm "digital-hw"
> >    period_time 0
> >    period_size 1024
> >    buffer_size 4096
> >    rate 48000
> > }
> > }
> >
> > # Control device (mixer, etc.) for the nForce2 card
> > ctl.dmix-digital {
> > type hw
> > card 0
> > }
> > [root at htpc ~]#
> >
> >
> > --
> > Regards
> > Joacim
> > _______________________________________________
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> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
>
>
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>


--
Regards
Joacim


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