[mythtv-users] Re:Connection Setup (cords)

[Brad Atkins]

Hey,

I tried that and got sound from the line in. Then i mute it (and turn everything else up) and run aplay /dev/dsp and I don't hear anything.

I have a cable running from my capture card to my sound card Line In. I set Line In as the capture source too.

This card is full duplex capable (it states that in /var/log/message).

Any other ideas as to what is up with the sound?

Thanks,
Brad

Brad Atkins wrote: 
> Hello, 
> 
> I think I'm a little confused as to how I should connect all the cables. 
> 
> I have a satelitte receiver with RCA and SVIDEO. 
> 
> My sound card is a Cirrus Logic CS4281 
> 
> My video card is an ATI Radeon 8500LE 
> 
> My capture card is an ATI TV Wonder with a breakout box and coax 
> connectors (breakout box has svideo, and RCA cables) 
> 
> Right now I have my Satelitte sound running RCA to my Breakout box. 
> 
> I also have the SVIDEO from the Satelitte running to the breakabout box. 
> 
> I have the video going from my video card via a VGA converter box. 
> 
> Then I have from my line out on my sound card running to my sound receiver. 
> 
> I'm able to hear a .wav file play. 
> I get video using xawtv; however trying to run aplay /dev/dsp I get no 
> sound. 
> 
> I've ran the ALSA and the mixer setup. 
> 
> When I run the RCA cable from the Satelitte to my MIC on my soundcard I 
> can hear the sound fine, but I'm assuming it's just passing through, and 
> not actually playing off xawtv. 
> 
> Anyone know if I have the cables setup correctly? If so, why can't I 
> hear any sound when running aplay /dev/dsp 

Your cabling looks to be correct. If you connect the audio 
to the breakout box, you also need the patch cable from the 
capture card "out" to an input for the sound card. I'll 
assume line-in for now. 

First, verify that the audio signal is going through line-in. 
Unmute and turn up the volume for line-in in alsamixer. Run 
xawtv to make sure that you hear the patched through sound. 

Once that works then you need to make line-in the capture 
source. In alsamixer mute line-in with "m" and mark it for 
capture with spacebar and turn up the volume for the "Capture" 
mixer. Try the xawtv & aplay /dev/dsp again. If it still 
doesn't work, check if there are mixers for Wav Capture, 
AC97 Capture, and see if turning those up helps. If you 
are using digital out from the sound card to the receiver, 
try connecting speakers to the speaker out jack (I once 
had a problem with routing from some inputs to the digital 
out). 


If you are going to be switching between video from the 
satellite and coax cable, connecting the audio to the 
breakout box is the way to go so that the tuner card can 
switch audio sources for you (works for me but mdz had some 
trouble with this. See the thread from earlier this week). 
However, if you are only using the satellite feed, you can 
plug the audio directly into line-in of the sound card 
without routing it through the tuner card first. 

-- bjm 




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