The reason this helps is that not all hum fills all harmonics. Most often, hum generates harmonics, which occur at mathematically precise intervals above the base frequency.Ĭhange the number of harmonics to the smallest number that still eliminates the hum. However, most hum is not a pure tone centered on 60 Hz (or 50 Hz, depending).
For most of the rest of the world, set this to 50 Hz. Set the frequency to match the frequency of your electrical power source. Generally, there are only two settings here that you need to adjust: This opens the controls window for DeHummer. With the clip you want to correct open in the Waveform Editor, choose Effects > Noise Reduction/Restoration > DeHummer. NOTE: For final mixes or multiple clips, though, the Multitrack Editor is the better choice because it allows non-destructive editing, which means you can change your mind later without damaging the clip. (See the Summary below for the reason why this isn’t as bad as it sounds.) The Waveform Editor does what’s called “destructive” editing,” in that the changes are saved directly into the clip. This is the perfect place to clean up a single clip because any changes you make are immediately saved into the clip. In just a second or so, the clip is displayed in Audition’s Waveform Editor. Personally, I love the smooth integration between Audition and Premiere. NOTE: If you want to move your entire project to Audition, for example to do the final audio mix, select Edit > Edit in Adobe Audition > Sequence. Select the clip you want to fix in the Timeline and choose Edit > Edit in Adobe Audition > Clip. Buried in some very loud hum is our interview the audio is so low that it barely peaks above the waveform. Now you’ve got audio hum in all your scenes.Īdobe Audition has a great hum removal tool and, while it can be used by any NLE, it is easiest from inside Premiere. You know the drill: Someone got carried away making things “neat” and ran all your mic cables next to the power cables.
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