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DaVinci Resolve · Audio

How to reduce background noise in DaVinci Resolve

Updated 5 stepsFor DaVinci Resolve

The short answer

On the Edit page, open Effects > Audio FX > Fairlight FX and drag Noise Reduction onto the clip, then let it learn the noise and lower the amount until the voice sounds natural. In DaVinci Resolve Studio, select the clip and turn on Voice Isolation in the Inspector's Audio tab.

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Faders and knobs on an audio mixing console.
Photo by James Kovin on Unsplash

5 steps

In DaVinci Resolve

  1. 01Add Noise Reduction
  2. 02Let it learn the noise
  3. 03Set the amount
  4. 04Or use Voice Isolation (Studio)
  5. 05Compare

  1. 01

    Add Noise Reduction

    On the Edit page, open the Effects panel, go to Audio FX > Fairlight FX and drag Noise Reduction onto the noisy clip.

  2. 02

    Let it learn the noise

    Click the effect's settings icon in the Inspector. Use the automatic speech mode for dialogue, or switch to manual, play a stretch of noise only and click Learn.

  3. 03

    Set the amount

    Lower the threshold and reduction until the hiss drops and the voice still sounds full. Too much reduction makes speech sound watery.

  4. 04

    Or use Voice Isolation (Studio)

    Select the clip, open the Inspector's Audio tab and turn on Voice Isolation. Start around 50 and raise it only as far as you need.

  5. 05

    Compare

    Toggle the effect off and on in the Inspector while the clip plays, and listen on headphones.

Good to know

Before you start

Note 1
Voice Isolation is in DaVinci Resolve Studio only.
Note 2
Noise reduction can't fix clipping or distortion. Re-record if the voice is distorted.

Eddie AI

Do it in Eddie

Eddie cleans up noise when you ask, but the cleaned sound stays in Eddie.

Ask Eddie to clean up the audio. It removes wind, hum, hiss, room noise, traffic, crowd noise and music playing under someone talking, at 18 credits per minute of source. It does not repair distortion or clipping.

The cleaned sound plays in Eddie and in MP4 renders. It does not carry into Resolve exports, including the .drp, so clean the sound in Resolve if you finish there.

Back to Resolve

Open the edit, click Export and choose Resolve. The default is a Resolve project (.drp) that opens with the timeline built; behind the arrow is a Resolve FCPXML you bring into the project you have open with File > Import > Timeline. In the desktop app, Send to DaVinci Resolve builds the timeline in the Resolve you have running, through Eddie's script (Workspace > Scripts > Eddie AI AE).

If you imported the footage through the desktop app, the timeline points at your original camera files. If you uploaded on the web or pulled from cloud storage, it points at Eddie's proxy media: relink to those in the Media Pool with Relink Selected Clips, not to the camera originals.

Try it in Eddie freeNew accounts start with 500 free credits.
Eddie's audio lanes: a warm piano track ducked under the dialogue, with the music brief beside it.

From the help center

FAQ

Questions

Is Voice Isolation free in DaVinci Resolve?
No. Voice Isolation is a DaVinci Resolve Studio feature. The free version has the Fairlight Noise Reduction effect.
Why does my voice sound robotic after noise reduction?
The reduction is too strong. Lower the threshold and reduction until the artifacts go away.

Audio

More DaVinci Resolve questions

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