I am trying to connect my Gamecube to my PC through the 9800Pro AIW's composite cable.
I used the composite adapter to connect to the video-in plug on the video card, and plugged the video-out cable's line-in line to my onboard sound card. I cannot get any sound when I open the "TV" option and select the composite input. However, I am able to get the video outputted from the gamecube. I have made sure that the "line-in" from the volume control is not muted, and also it is on appropriate volume.
One last note, I have also tried with a PCI Sound Blaster Live sound card by plugging in all the cables, unfortunately, still not sound from gamecube. My speakers are working, I can listen normal window's sound from it.
Please advice. Thanks in advance