Digital Audio Help Suggestions

gateway69 · 2007-10-02, 23:15

Ok, I think I have tackled most of my issues with xbmc on linux and YES I do know its still in early stages thats why im posting here for the user support form.

I have video playing, some share stuff working (still fighting with vista/smba mounting files as root) but I have no idea how to get the digital audio to work.

On my shuttle box I have regular audio line out, optical and coaxel digital out.. How ever when plugging in either of the digital sources into my receiver I get no audio signal, and also looking in xbmc settings i don't have an options to switch from analog to digital...

anyone give me any advice or what to look at to get that up and running and choose which digital audio device to use. btw Ubuntu sees the audio devices in the hw manager.

rrambo · 2007-10-02, 23:43

Hey gateway, did you check under System Settings>Music (or is it Sound) I can't remember? I'm not looking at it right now, but I think it's there at the top of the page.

slash · 2007-10-03, 02:03

do you have a file .asound in your home directory ?

What type of sound card do you have ?

I have a via8332 working with SPDIF out to my receiver working fine.

gateway69 · 2007-10-04, 02:30

I dont have the shuttle box in front of me but it has both optical and coxal out on the mother board... so im assuming i need to set something in the .asound file.. I looked though the demo_asound one but not sure what I need to change .. is their an easy way to find out what sound is on the system in ubuntu?

gateway69 · 2007-10-04, 03:36

info on my system:

The XPC SN26P integrates the VIA Envy24PT multi-channel audio controller to deliver high-fidelity audio. Enabling 24-bit resolution and 96KHz sampling rates, the VIA Envy24PT provides support for the latest audio content through its analog and digital interfaces. Further, this model features 7.1-channel outputs enabling support for the latest Dolby Digital EX and DTS ES DVD-Video soundtracks.

http://global.shuttle.com/Product/Ba...P-features.asp

if anyone has any ideas what to set my asound to.. im all game.

slash · 2007-10-04, 05:21

I found the alsa wiki for digital out very helpfull.

http://alsa.opensrc.org/index.php/DigitalOut

GIve it a try and let me know the results.

gateway69 · 2007-10-04, 23:40

thanks ill give it a shot tonight and see how this goes, I played around with it last night and no go..

btw where does .asound need to be in my user home folder? /etc/.asound or in the xbmc/BUILD folder?

babazoid · 2007-10-05, 04:57

Hey Slash,

I've got the same sound card as you and I haven't got S/PDIF out working. It works fine with mplayer (-ac hwac3,) but not in XBMC Linux -- did I miss something, or did you apply the patch that I've been reading about in these forums?

I'll compile the latest SVN and see if I can get things working. I don't want to downmix AC35.1 -- after all I do have a 6ch surround receiver hooked up with optical s/pdif... I'd rather use it

babazoid · 2007-10-05, 04:58

I should clarify, I've got XBMC working fine (S/PDIF out) in stereo mode (through alsa) but it won't output ac3 5.1ch surround.

slash · 2007-10-05, 06:06

Well in my case I have SPDIF out working too the problem is I can't play any DVD from XBMC, so I can't figure out if it is dowmixing to stereo or not.

Anyone got a link to a divx file in DTS or Dolby Digital that I coul dtry to play ?

Or do you got DVD playback working ?

2007-10-02, 23:15	#1
gateway69 Senior Member Join Date: Mar 2007 Posts: 137	Digital Audio Help Suggestions Ok, I think I have tackled most of my issues with xbmc on linux and YES I do know its still in early stages thats why im posting here for the user support form. I have video playing, some share stuff working (still fighting with vista/smba mounting files as root) but I have no idea how to get the digital audio to work. On my shuttle box I have regular audio line out, optical and coaxel digital out.. How ever when plugging in either of the digital sources into my receiver I get no audio signal, and also looking in xbmc settings i don't have an options to switch from analog to digital... anyone give me any advice or what to look at to get that up and running and choose which digital audio device to use. btw Ubuntu sees the audio devices in the hw manager. __________________ ------------- I Bare It All -Personal Blog

2007-10-04, 02:30	#4
gateway69 Senior Member Join Date: Mar 2007 Posts: 137	I dont have the shuttle box in front of me but it has both optical and coxal out on the mother board... so im assuming i need to set something in the .asound file.. I looked though the demo_asound one but not sure what I need to change .. is their an easy way to find out what sound is on the system in ubuntu? __________________ ------------- I Bare It All -Personal Blog

2007-10-04, 03:36	#5
gateway69 Senior Member Join Date: Mar 2007 Posts: 137	info on my system: The XPC SN26P integrates the VIA Envy24PT multi-channel audio controller to deliver high-fidelity audio. Enabling 24-bit resolution and 96KHz sampling rates, the VIA Envy24PT provides support for the latest audio content through its analog and digital interfaces. Further, this model features 7.1-channel outputs enabling support for the latest Dolby Digital EX and DTS ES DVD-Video soundtracks. http://global.shuttle.com/Product/Ba...P-features.asp if anyone has any ideas what to set my asound to.. im all game. __________________ ------------- I Bare It All -Personal Blog

2007-10-04, 23:40	#7
gateway69 Senior Member Join Date: Mar 2007 Posts: 137	thanks ill give it a shot tonight and see how this goes, I played around with it last night and no go.. btw where does .asound need to be in my user home folder? /etc/.asound or in the xbmc/BUILD folder? __________________ ------------- I Bare It All -Personal Blog

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2007-10-02, 23:43	#2
rrambo Senior Member Join Date: Jul 2007 Posts: 108	Hey gateway, did you check under System Settings>Music (or is it Sound) I can't remember? I'm not looking at it right now, but I think it's there at the top of the page.

2007-10-03, 02:03	#3
slash Member Join Date: Sep 2007 Posts: 88	do you have a file .asound in your home directory ? What type of sound card do you have ? I have a via8332 working with SPDIF out to my receiver working fine.

2007-10-04, 05:21	#6
slash Member Join Date: Sep 2007 Posts: 88	I found the alsa wiki for digital out very helpfull. http://alsa.opensrc.org/index.php/DigitalOut GIve it a try and let me know the results.

2007-10-05, 04:57	#8
babazoid Member Join Date: Oct 2003 Location: Toronto, Ontario Posts: 38	Hey Slash, I've got the same sound card as you and I haven't got S/PDIF out working. It works fine with mplayer (-ac hwac3,) but not in XBMC Linux -- did I miss something, or did you apply the patch that I've been reading about in these forums? I'll compile the latest SVN and see if I can get things working. I don't want to downmix AC35.1 -- after all I do have a 6ch surround receiver hooked up with optical s/pdif... I'd rather use it

2007-10-05, 04:58	#9
babazoid Member Join Date: Oct 2003 Location: Toronto, Ontario Posts: 38	I should clarify, I've got XBMC working fine (S/PDIF out) in stereo mode (through alsa) but it won't output ac3 5.1ch surround.

2007-10-05, 06:06	#10
slash Member Join Date: Sep 2007 Posts: 88	Well in my case I have SPDIF out working too the problem is I can't play any DVD from XBMC, so I can't figure out if it is dowmixing to stereo or not. Anyone got a link to a divx file in DTS or Dolby Digital that I coul dtry to play ? Or do you got DVD playback working ?

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