I have a USB audio interface which I use for recording. When I use some recording app (like Audacity), I can select the USB interface from a drop down menu, which will tell Audacity to use that device for audio input.
Sometimes I want to record from that device, and also add voice-over using my computer's internal microphone. I cannot record from more than one device simultaneously using Audacity (as far as I know), so I'm looking for a program to mix the inputs first.
I have the Soundflower driver installed, so all I need is a program where I can select both my USB interface and my internal microphone for input, and select the Soundflower device for output. That way, I can select the Soundflower device as input in Audacity to record the pre-mixed audio.
Is there such a program, and am I on the right track (no pun intended)?