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Audio over hdmi with gt240. No audio or nvidia audio device
http://forum.linhes.org/viewtopic.php?f=23&t=21895		 Page 1 of 1
Author:  mediathreat [ Thu Nov 18, 2010 2:33 pm ]
Post subject:  Audio over hdmi with gt240. No audio or nvidia audio device
Hi,

I Am running the latest r6 and I can get audio out fine via alas with the onboard realtek, but I would prefer as most of us to pipe the audio via hdmi with one cable to the tv.

Under aplay -l I only get two realtek audio devices ( one digital and one analog)

Anyone have any suggestion or road map how I can get my gt240 hdmi port to come up as an audio device so I can choose it for output to the tv?


John
Author:  mattbatt [ Sat Dec 11, 2010 11:42 pm ]
Post subject: 
https://bbs.archlinux.org/viewtopic.php?id=97936
https://bbs.archlinux.org/viewtopic.php?id=90350
https://bbs.archlinux.org/viewtopic.php?id=108658
Hope these help. It's been my experience that digital audio is hard on Linux. I don't know why but it seems to be more wonky than video.
Good Luck on your journey
Author:  manicmike [ Sun Dec 12, 2010 3:22 pm ]
Post subject: 
mattbatt wrote:
It's been my experience that digital audio is hard on Linux.


Not at all. I got mine to work quite easily (as I recall it did require recompiling alsa).

The most annoying thing was that my tuners both have analogue audio chips and after a reboot, I have to select the nvidia audio using F6 then un-mute it. There's probably a way of setting this, but I'm rather lazy about this - alt-x, alsamixer, F6, downx3, m is pretty easy to remember, and it only needs a reboot a few times a year (no, "sudo alsactl store" doesn't do it).

A single audio cable is a joyous thing. You can then run another optical cable to your digital surround amp and turn the TV down for a Saturday night in (most TVs do digital pass through).

Mike
Author:  poflynn [ Sun Dec 12, 2010 10:21 pm ]
Post subject: 
Been waiting for a chance to use this!

http://lmgtfy.com/?q=nvidia+gt240+audio+alsa

First result looks good...
Author:  manicmike [ Tue Dec 14, 2010 11:28 pm ]
Post subject: 
poflynn wrote:
Been waiting for a chance to use this!

http://lmgtfy.com/?q=nvidia+gt240+audio+alsa

First result looks good...


Heh. I haven't bookmarked it... until now! :-)
Author:  christ [ Thu Dec 16, 2010 3:48 pm ]
Post subject:  Re: Audio over hdmi with gt240. No audio or nvidia audio dev
mediathreat wrote:
Hi,
Anyone have any suggestion or road map how I can get my gt240 hdmi port to come up as an audio device so I can choose it for output to the tv?


This might help: http://knoppmyth.net/phpBB2/viewtopic.p ... 781#120781

Basically HDMI audio requires at least alsa 1.0.19 but LinHES 6.03 is only at 1.0.18.

The above link leads to a how-to compile the latest alsa.
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