Incidental noise on a track is always a problem. In a recent recording session, my acoustic guitarist shifted a couple times on a creaky chair at a particularly inopportune time — right at the end of a track on the final chord. Here is what it sounded like:
Removing the offending noises using time-based edits (i.e. cutting the piece out, muting the section, or using parametric EQ) to remove or diminish the sound would result in an audible glitch.
Using Sony SpectraLayers, I was able to isolate the sound and remove it without affecting the rest of the track.
Here is a screen capture of the creaks:
And closer detail:
By selecting the offending bits, copying them to a new layer, and reversing the phase of the layer, the sounds are cancelled out of the resulting audio:
Here is the before and after audio:
p.s., per request, here is a link to the original wav file, prior to the “fix.