pX wrote: > But when I look at the waveform, in Ardour, it looks pristine, I'm > pretty sure that if the cracks heard were actually recorded, I'd see > them on the waveform, right ? Probably. It kind of depends what sound you're recording, and whether you know what it *should* look like. It's easiest to see if you record a test signal - like a pure sine wave, at a constant frequency and amplitude. Then, zoom right in, and see if it looks clean. Michael Nelson