Elixir v3

Latest version: 2.3.4 (Audio Units), 3.0 (Native PC Platforms, Native OSX Platforms)
Elixir v3



Elixir is a novel kind of program limiter carefully designed to accomplish a truly pure natural sounding result without altering the nature of the audio material and its timbre.


Intended to fulfill the requirements of the broadcast, post-production and mastering industry, Elixir provides real True Peak output level in accordance with the ITU-R BS.1770 and EBU R128 norms, and for surround/multichannel operation Elixir provides up to eight channels of simultaneous processing.


User Interface and Workflow


Elixir’s straightforward interface makes it exceptionally easy to achieve great results, even under a tight deadline. Simply set the input level, adjust the Threshold according to the amount of limiting desired, and finally enable Make Up for gain compensation and loudness addition - That’s it!


For truly delicate and fine processing tasks (mastering etc.) Elixir presents a new innovative concept called Stages, providing the option to set the algorithm to perform the limiting processing in multi-stages, in order to achieve even more precise and natural sounding results.

Example: If the threshold is set to -3 dB and the ‘Stages’ parameter set to 3, the first stage will limit at -1dB, the second stage will limit at -2dB and the third will limit at -3dB, with analyzing performed in each of the three stages.



The algorithm uses an oversampled representation of the audio sample as reference when defining the gain envelope, while the actual processing is applied only to the original none oversampled data, in order to reduce artefacts (like aliasing) and to achieve the most precise and excellent sounding result presenting none, or effectively reduced, conventional limiting pumping effects even during heavy processing.

In addition to Stages, Elixir present the option to run the algorithm in a higher resolution mode with even more detail put into the processing, obviously, at the cost of additional CPU-consumption.

System Requirements

Elixir v3, as all Flux:: plug-ins, provide

  • Up to 8 channels Input/Output.
  • 64-bits internal floating point processing.
  • Sampling rate up to 384 kHz DXD (Pyramix DSP based).
  • Sampling rate up to 384 kHz for native (AU/RTAS/VST).



All major native formats as well as AVID AAX DSP are supported

  • Windows - XP, Vista, 7 and 8 all in both 32 and 64 bits.
  • VST (2.4)
  • AAX Native/DSP
  • Mac OS X (Intel) - 10.7 and 10.8 in both 32 and 64 bits.
  • VST (2.4)
  • AU
  • AAX Native/DSP

Due to AVID ProTools changing to AAX, from Version 3 (v3) RTAS for AVID ProTools is no longer supported.


Elixir v3 AAX DSP Specifications

Elixir v3:   takes 100 % of 1 DSP

  • Support up to 4 stages
  • Support up to 48 KHz
  • Support up to 2 channels


Elixir v3 1 Stage: takes around 25 % of 1 DSP

  • Support only 1 stage
  • Support up to 192 KHz
  • Support up to 8 channels


Elixir v3 AAX Native Specifications

  • Support up to 4 stages
  • Support up to 192 KHz
  • Support up to 8 channels


Elixir v3 1 Stage: has been added for session compatibility reason with the DSP versions

  • Support up to 1 stages
  • Support up to 192 KHz
  • Support up to 8 channels


Elixir v3 AU & VST Native Specifications

  • Support up to 4 stages
  • Support up to 384 KHz
  • Support up to 8 channels


  • True Peak level metering and limiting
  • ITU-R BS.1770 compliant
  • EBU R128 compliant


Signal Processing Features


Input/Output gain controls for adjusting the levels before and after processing. Bypass routes the incoming signal direct to the output for a true smooth transition between processed and clean signal.


Preset and Parameter Handling


To enhance the workflow the two Preset/Parameter slots, A and B, can be loaded with two full set of parameters at the same time. Apart from saving each preset, a "Global Preset" containing both the A and B settings, and the position of the "Morphing Slider", can be saved.


Parameter Morphing Slider with Automation


The Morphing Slider provides morphing between the parameter settings of slot A/B allowing for really creative and useful real-time tweaking. Enabling the Automation control button exposes the Morphing Slider to the host automation.


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Native PC Platforms Native OSX Platforms


32bit 64bit

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  • reviewPro Tools Expert review : Flux ElixirFlux have been busy recently and have released a new true peak limiter Elixir aimed at the audio post production market for those producing content...

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