The answer to both quiestions is yes. The line-in on the sound card is meant for preamp and equivalent outputs. There are several disk clean-up programs out there. The one I'm using which costs a$45 is called Wave Corrector. Works very fast and takes minimal adjustments which are all transparent. It does have inumerable graphic ways of cleaning individual blocks, butI've never found them necessary so I don't care that they're not accessible Jay
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