Originally posted by Coquette:
it sounds like the old transistor radios.
That sounds like some type of levels mismatch.
Is there more than one input on your card? (one for line levels and one for plugging a mic in direct?)
Pluging the mic in to the wrong one could do that.
If you do have a line level input on your sound card use a mic preamp and or a small mixer and use the line level input, it should give you greater control over the sound and allow you to patch in other signal processing on the mic channel.
If you are plugging the mic straight in make sure it's a mic inpu