Audio School: Fix It In Post

'5 Audio Clean-Up Hacks For Perfect Sound' | Deity Microphones '5 Audio Clean-Up Hacks For Perfect Sound' | Deity Microphones

Ways to work with less-than-ideal audio in your video edit.

Compensating for a Bad Mic

Camilo Castañeda applies the standard tools for basic good audio (multiband compressor, DeEsser, Parametric EQ and DeNoise), but in emergency surgery mode (the demo begins at 1:12):

A particularly helpful tip: Camilo suggests you “loop the audio” – by this, he means looping the section of the timeline which contains the audio you’re working on (to avoid having to constantly stop-and-start). In Premiere Pro:

  • in the Timeline, add In & Out points (using “I” and “O”)
  • go to the Program window > “+” > drag “Loop Playback” into the menu of the Program window

Room Tone

Deity offers 5 Audio Clean-Up Hacks For Perfect Sound, including specific plugins for removing clicks and pops, and perhaps the most useful “hack” of all – creating a bed of room tone:

Shutterstock demonstrates that Adobe Audition even has a dedicated device for generating room sound from any audio clip:

Interference

DOD Media deals with a very specific, but very common, problem – RF (radio frequency) interference:

Further Viewing

Of course, the best way to avoid many of these problems at the post-production stage is to get them right at the production stage, by capturing audio properly:

Get creative – a bed of “silence”, room tone, and ambient sound can work all kinds of magic, from creating the “illusion of continuity” to “adding to the story”:

ADR – one of the most common “fix it in post” techniques is Automated Dialogue Replacement: