You should be aware that not all audio cards - particularly in a laptop - can do this, you need something full duplex capable. You may need to look at investing in an external USB sound card... I used to have a SB Extigy which was great. That being said, check out Adobe Audition 1.5 (you can get a trial version), which is really Cool Edit Pro '3.5'. > Hi, > I'm looking for software that will allow me to use my laptop > as a live effects processor. I'd like to be able to plug in > a microphone to the laptop and have the processed signal come > out of the headphones jack. > > I have some audio software but as far as I can tell none of > it can do this; Sound Forge, Cool Edit, Acid, Reason.