Quick Fixing an Audio File from an Abrupt Noise on Adobe Audition CS 5.5
Background noise is an ever-present annoyance in audio recording. It is something the recorder cannot control, for the most part. You cannot avoid white noise ( just do a noise reduction from a captured noise print), but there may be a quick, abrupt noise that does not occur anywhere else in the track.
For example, here is a sample audio file of a bell ringing:
You can see that there are many spikes in the file, something that doesn’t sound appealing. After reducing the white noise, I am left with:
This is a little better, but I am still stuck with a few irregular spikes (some are much different than the rest). The biggest one of all happens to be a bus letting off some air, steam, or whatever they disperse into the air. Regardless, it interrupted my recording, just once, though. What I then did was highlighted the unwanted spike, right-clicked (double-finger click on my MacBook Pro) and selected “Auto-Heal” (below).
After doing this for all the noises you want to get rid of, you have a masterpiece! Well, that is in comparison to what you had before. Here’s the finished product:
Jarad M. Kmietowicz