Signal routing question (& Soundcraft Compakt4)

[obadia <firlgriend@yahoo.fr>]

hello,
i'm a bit confused on how to route my signal thru a
mixing table and which kind of mixing table i need.
maybe some of you can help me. let me explain:

2 stereo instruments go in the mixing table, this
signal must then go into my soundcard. 
the soundcard output should then go back into the
mixer because i want to mix the loops made in my
laptop with a 3rd instrument (which i would like to
monitor thru headphones before i send it to the
engineer). but this 3rd instrument shouldn't go into
the soundcard.

i'm thinking about purchasing a Soundcraft Compakt4.
it's cheap, light & small, but most of all it seems to
have good monitoring/pre-listening features. 
but i'm not sure it will be possible to have a signal
going from the Compact4 to the soundcard, let it come
back thru the Compact4 again and then still be able to
mix it with another instrument.
is it?
what's the technical term for what i'm looking for?

thank you for any help!

Stéphane


        

        
                
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