De-essing for free with Ableton Live

Published: Wed 18 January 2023
Updated: Tue 11 June 2024 by Ludo In Music
tags: ableton ableton live deesser vocal ableton tips

Sibilance is the sound of consonants being pronounced quickly, often with "sss" or "tsss" sounds. It's something that happens naturally in different languages. Sibilance can be particularly problematic in vocal recordings because it can make the recording sound harsh or distorted, and can be difficult to remove during the mixing and mastering stages of the recording process.

De-esser works by using a filter to target and reduce the level of high-frequency energy in the recording that is associated with sibilance, which can help to make the recording sound smoother and more natural.

The frequencies to process are in the 3 Khz - 10 kHz range, but it will depend on your vocal track, so you should check the range with a Spectrum device in Ableton.

You can remove those frequencies by using an EQ on your track, but there's one huge caveat: the TSSS and SSSSS are what makes your voice sound realistic so you need to use a more subtle processing.

Here's everything you need to know about how de-essers work, and more importantly: how to use them effectively!

De-esser with stock Ableton Plugins

There are many de-esser plugins, but you can make your own using Ableton Live, since one common method is to use a combination of an EQ and a compressor. Two stock effect racks will help you to get of sibilance, even if you have Ableton Live Lite.

The 1st one is simply called 'De-esser':

Ableton Live de-esser

  • Search for 'de-esser.adv' in Ableton and insert it in your vocal track
  • It uses a basic compressor that is triggered by a high frequency filter
  • Open the sidechain section, and play with 'Freq' and 'Gain' (see above) until you find the right effect
  • Maybe reduce the 'Release time' if the noise reduction is too high

This De-esser may reduce the sound of other frequencies too aggressively, so you might want to try the 2nd one, which is called 'Split band de-esser':

Ableton Live splitband de-esser

  • Search for 'Split band de-esser.adv' in Ableton and insert it in your vocal track
  • It uses a split-band compressor so it will only operate in the right frequencies
  • Play with Mid Gain, and the grey middle threshold (see arrow above) to find a good level of reduction
  • The advantage of this split-band deesser is that it will not modify the voice frequencies outside the low and high bands (3 kHz and 10 kHz in the screenshot above)

The last one, also available in Ableton Live 12 Lite is called S Suppresor. It's a simple single knob effective de-esser. You'll find it in your Core Library's audio effect racks:

Ableton Live S supressor

De-esser free Plugins

If you're not satisfied by the Ableton-only plugins and sibilance is still causing problems for your recordings, there are several free audio plugins available that will help you de-essing recordings. I did not list old 32 bits VST, here are a few examples:


As you can see, there are many different ways to de-ess your sound. It's important to note that you should try to be subtle with the effect, as too much de-essing can make the recording sound unnatural. It's also a good idea to check the effect in the context of the whole mix.

If you know other great free de-esser plugins, please comment below 😉

LD. --

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