Noise Reduction in Audition
As we begin to process the audio we collect from our ecologies, it is important to know how to reduce the ambient noise that our recording devices pick up while recording sound. Removing these sounds will make our audio tracks clearer and Audition allows us to reduce noise in an extremely easy way!
Step 1: Import your sound file to Audition. (Helpful hint: Always make copies of your original file and work with that instead of using the original. So, incase something goes wrong, you always have the untampered original track!) To import your file, click on File in the top most menu bar, click on Import>File
Step 2: Zoom in to your track so you can select the parts with the ambient noise. You can zoom in by clicking and dragging
Step 3: Click on the track in the waveform editor area and drag to select a few seconds of noise. The more time you include in your sample, the better your results will be. (In my image, the selected portion appears in white)
Step 4: Once you’ve selected the sample noise part, Click on Effects>Noise Reduction>Capture Noise Print.
The following dialog box will appear, click OK. This step tells Audition to recognize the selected portion of the track as “noise” so that in the next step, you can remove all similar parts of “noise” from the track in one step.
Step 5: Click on Effects>Noise Reduction> Noise Reduction (process)
The following dialog box will appear:
Step 6: Click on “Select Entire File” and check the “Output Noise Only” button and then hit Play to listen to only the “noise” that you have selected to remove from the file.
Step 7: Adjust the sliders “Noise Reduction” and “Reduce By” and keep listening to the file until you are happy with the level of noise reduction. You can also adjust directly on the wave.
Click Apply once you’re happy with the adjustments and that’s all, you’re done! Your audio track now sounds much clearer with little to no annoying ambient noise!