Hello, I tried to configure a set to make a podcast with USB microphones, the program detects them all but I have to set one as default.
When I try to assign the USB microphones to each channel to record simultaneously, only the microphone that I assigned as default appears, the rest of the microphones do not appear.
How should I do to be able to record all the microphones at the same time?
emmrecs is correct - you can't do this with multiple mics, although you can just about get away with two or at a pinch, three. The way you do this is to create an aggregated device by using ASIO4ALL - the only software that will do this, as far as I'm aware; good job it's free!
Now I suppose you want to know why it's such an issue, and I'll tell you. The problem with USB mics is that they all have their own digitisers built in, and it's inherently not possible to synchronise them to any outside source - the USB protocol simply doesn't allow for this. If you can't synchronise them, then when one gets a whole cycle out of step, there'll be an almighty 'click' in your recording that you won't be able to get rid of. What ASIO4ALL does is use one device as the 'master' and effectively resamples all of the others to it - or to any other available clock source. Whilst this works, it's a bad idea because you lose quality through resampling, and at any point where by chance they actually synchronise anyway, there's still likely to be a disturbance.
The best thing you can do is sell all of your multiple USB mics, get 'normal' ones and a multichannel interface. No problems at all then, as it's the interface that makes sure all the inputs are synchronised.
So just to be clear, this isn't an Audition restriction, it's a USB one.
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