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nforce Surround enable http://forums.linhes.org/viewtopic.php?f=1&t=1290	Page 1 of 1

Author:	evildick [ Thu Apr 22, 2004 9:45 pm ]
Post subject:	nforce Surround enable
Once again I am trapped. My hardware: A7N266 nforce chipset 512 MB Gainward Geforce 4200 WD 120G hard drive HP DVD writer 300i I am unable to enable the mic as output for my rear speakers or the SPDIF for audio. I have reinstalled nvidia's drivers from their site, alsa by typing 'apt-get install alsa-source', and enabling several combinations of bars from the alsamixer. I have also added a file called asound.conf to /etc per instructions found here. I also edited the file per instructions (and other users comments) from here. The file looks like this: Quote: pcm.nforce-hw { type hw card 0 } pcm.!default { type plug slave.pcm "nforce" } #0,0 is analog out, and 0,1 is #spdif out. pcm.nforce { type dmix ipc_key 1234 slave { pcm "hw:0,1" period_time 0 period_size 1024 buffer_size 32768 rate 48000 } } ctl.nforce-hw { type hw card 0 } All that I have done does not seem to effect the sound in any way. What am I missing? In Windows XP I could play an mp3 and get surround sound encoding to my music receiver with spdif (just a cool blue light shines and sound is heard out of all four speakers, whether this is true Dolby I could care less). I could also (at the same time) get music out of all four speakers. This was convenient to play music in two seperate rooms. Can I expect the same or similar results once this is working? I apologize if this question is reduntant or simple. I was unable to find the answers elsewhere and through searching this site. I appreciate your help.

Author:	Robstarusa [ Fri Apr 23, 2004 7:28 am ]
Post subject:
Are you sure it's card 0 ? what does /proc/asound show ? Rob

Author:	evildick [ Fri Apr 23, 2004 9:14 pm ]
Post subject:
It has: NForce card0 dev devices modules oss pcm seq timers version

Author:	Robstarusa [ Fri Apr 23, 2004 10:54 pm ]
Post subject:
what is the output of the following comands ? "cat cards" "cat devices" "cat modules" "cat pcm" Rob

Author:	evildick [ Fri Apr 23, 2004 11:34 pm ]
Post subject:
cat cards: 0 [NForce ]: ICH - NVidia NForce NVidia NForce at 0xe4800000, irq 11 cat devices: 0: [0- 0]: ctl 16: [0- 0]: digital audio playback 24: [0- 0]: digital audio capture 33: : timer cat modules: 0 snd-intel8x0 cat pcm: 00-00: Intel ICH : NVidia NForce : playback 1 : capture 1

Author:	evildick [ Sun Apr 25, 2004 9:27 am ]
Post subject:
Did I correctly setup the asound.conf file? I get the impression it isn't even seeing that file. I looked on MythTV's archive list and people who have incorrectly set this file up would at least have gotten an error. I haven't seen any error messages or change in sound coming out of the system. It would be nice to at least get an error message. Users have also reported a setting called, "Audio Output device". Where one might change the output to, "ALSA:mixed-digital." Where can I find this setting? I have to say I am still rather lost. update: I added gnome-alsamixer (apt-get install gnome-alsamixer). I also goofed on the asound.conf file, and when attempting to open alsamixer it complained that I had an outdated asound file. I changed it back to what I had and it worked again. This would indicate that alsamixer sees the file. Is there something I need to do with MythTV to get this working?

Author:	evildick [ Sun Apr 25, 2004 10:17 pm ]
Post subject:
I was able to finally get four speakers working. I simply installed v3 of KnoppMyth and XMMS. I was unable to get anything working until I selected nforce in xmms and enabled some scroll bars in gnome-alsamixer. I didn't even put in the asound.conf file in /etc yet. Still working on spdif. Not quite sure how to approach this. Now I am side-tracked; the mythtv user no longer autologs in. hmmmm. [update - I used 'gdmsetup' to re-enable the mythtv user auto-login. The name wasn't displayed, so I typed it in. That worked. Strange though.]

Author:	evildick [ Sat May 01, 2004 3:47 pm ]
Post subject:	Stuck on SPDIF
I am still stuck on this and would like some advice. SPDIF out should be acheived by modifying some if the IEC598 (aka spdif) controls or check boxes. But I cannot get this working. I checked any combination of these boxes in gnome-alsamixer and nothing happens. Is there any order that I need to compile the alsa drivers/utils/lib and install gnome-alsamixer? Is there anything I need to do to the kernel (recompile)? nForce driver compile? Do anyof these even need to be compiled? I also would like to apologize. The answer seems like it is right in front of me. I am just not seeing it. Also, after reading this and other posts I realized that this thread is beyond the scope of Installation. Moderators; feel free to relocate this to the appropriate area.

Author:	evildick [ Tue May 04, 2004 8:49 pm ]
Post subject:
ok well, I managed to get spdif working. Consider this resolved. I have other related issues but I will post those in another thread. To get spdif working I used the R4v3 of KnoppMyth. I compiled the alsa drivers/lib/utils according to the directions on Alsa's web site. I even followed the instructions for previous versions I did an apt-get install gnome-alsamixer and apt-get install xmms. This helped testing. Finally, I adjusted the gnome-alsamixer and after testing saved the settings with '/usr/sbin/alsactl store' ('/usr/sbin/alsactl restore' to restore). It is possible going over the directions the first time I may have missed something (ok, highly probable ). I think the problem may have been with the ./snddevices or 'chmod a+rw /dev/dsp /dev/mixer /dev/sequencer /dev/midi'. For some reason both of those commands helped when intermittant problems came up later after installing other programs. I appreciate your patience with listening to my banter.

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