Thanks, Marc. I should have explained that I am trying to apply it to a clip on the timeline. It works fine if I apply it to a track, I can select the noise after opening NR. But when I apply it to a clip, click the capture noiseprint box and then click on play in the NR window, it makes the noiseprint from the audio at the beginning of the clip, even if I have selected a region of noise in the middle of the clip. Hope that makes sense.