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Scorpion23 · 01-20-2005, 04:53 PM

So here's my question. I've got an HTPC with an ATI AIW 9600 Pro and a Chaintech AV-710 sound card with optical out. The AIW outputs sound from the TV tuner through an external 1/8" jack which must be plugged in to a line-in on a sound card. The sound then passes through the computer and back out of the sound card.

So currently I have the TV tuner passing through the Chaintech, and the sound exiting via the optical S/PDIF out. I also have my DVD software pass the AC3 signal through the optical port. It then goes to a home theater receiver.

The problem is that due to a limitation of the drivers/software for the chaintech I can't select both at the same time. I either have to pass the line-in through the optical port, or let the AC3 signal through. But regular window's sounds pass through on either setting. This is a problem since it's an HTPC and doesn't have a regular keyboard/mouse input.

It just so happens that I also have an onboard sound system with the motherboard. I was thinking that I could plug the AIW output into the line-in on the motherboard card and have it route through windows to the chaintech. This way I could use AC3 and line-out pass-through at the same time without switching settings.

However, when I tried putting the AIW output through the motherboard I got no sound. Does anyone know if it's even possible to mix soundcards like this? Is there a program better than the standard windows mixer that could do it?

01-20-2005, 04:53 PM	#1 (permalink)
Scorpion23 Psycho	Mixing multiple sound cards in windows So here's my question. I've got an HTPC with an ATI AIW 9600 Pro and a Chaintech AV-710 sound card with optical out. The AIW outputs sound from the TV tuner through an external 1/8" jack which must be plugged in to a line-in on a sound card. The sound then passes through the computer and back out of the sound card. So currently I have the TV tuner passing through the Chaintech, and the sound exiting via the optical S/PDIF out. I also have my DVD software pass the AC3 signal through the optical port. It then goes to a home theater receiver. The problem is that due to a limitation of the drivers/software for the chaintech I can't select both at the same time. I either have to pass the line-in through the optical port, or let the AC3 signal through. But regular window's sounds pass through on either setting. This is a problem since it's an HTPC and doesn't have a regular keyboard/mouse input. It just so happens that I also have an onboard sound system with the motherboard. I was thinking that I could plug the AIW output into the line-in on the motherboard card and have it route through windows to the chaintech. This way I could use AC3 and line-out pass-through at the same time without switching settings. However, when I tried putting the AIW output through the motherboard I got no sound. Does anyone know if it's even possible to mix soundcards like this? Is there a program better than the standard windows mixer that could do it?