You can enable and disable audio and video sequence clip names by choosing an
option from the Timeline Settings menu.2. Play the sequence to listen to the voice-over.This is a simple sequence, with voice-over accompanying some visuals. There’s a loud
electrical interference power hum in the audio.
3. Select the voice-over clip.This clip has already been designated as dialogue, so the dialogue audio options are
displayed in the Essential Sound panel.
4. If it’s not open already, click the Repair heading in the Essential Sound panel to display the
options. Enable DeHum by selecting the check box.5. Play the sequence to hear the difference.The impact is significant! The electrical interference hum was loud but at a specific frequency,
which makes removing it relatively straightforward.
This clip has 60Hz hum, so the default option of 60Hz is suitable. If the default option doesn’t
work, try switching to 50Hz.
Tip
For more challenging audio cleanup, where the repair options in Premiere Pro don’t give
you a result that is clean enough, try Adobe Audition, which has advanced noise reduction
features. Learn more in Adobe Audition CC Classroom in a Book.Reducing noise and reverb
In addition to specific types of background noise like hum and rumble, Premiere Pro offers
advanced noise and reverb reduction tools. These audio cleanup effects have simple controls
in the Essential Sound panel and more advanced options when accessed via the Effect
Controls panel.
Reducing noise
Let’s try reducing noise first.
1. Open the sequence 04 Noise and Reverb. This is a simple sequence with clips suffering
from background noise and reverb. Play the sequence to familiarize yourself with this
challenging audio—lots of unwanted background noise and reverb recorded at noisy
location.