Selecting sound card inputs

[Hyperbaric]

Hi, tried a search but can't find the answer to this...

I have a 'Sweetspot' video capture card for recording from a Sky box. The sound is captured using the 'line in' on a Soundblaster PCI card.

Now, I also use the Sweetspot card to capture CCTV - using a different video input on the card (can only have one input at a time). This is set up as a 'different' tuner in Sage, without EPG, etc.

What I want to do is set up the CCTV 'tuner' to have the audio recorded from the Microphone input on the Soundblaster card, but the only option when setting up a new tuner in Sage is the card itself - not individual inputs on the card.

At the moment, the only way I can see to switch audio inputs is by using window's audio manager to manually select the appropriate source, i.e. "Line in" or "Mic".

Anyway to get Sage to do this?