Hello,
I just ran REW to check my laptop built in sound input. I turned off all enhancements and selected the highest sampling rates (24 bit 192kHz 2ch) and got the graph below. It seems adequate enough to hook up an SPL meter or a mic+preamp, any thoughts?

http://img109.imageshack.us/img109/1771/laptopsoundcard.jpg
I just ran REW to check my laptop built in sound input. I turned off all enhancements and selected the highest sampling rates (24 bit 192kHz 2ch) and got the graph below. It seems adequate enough to hook up an SPL meter or a mic+preamp, any thoughts?

http://img109.imageshack.us/img109/1771/laptopsoundcard.jpg