APU Software

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Latest installers and user manuals.

Loudness Series v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows

Need Windows 32-bit (x86)?

This installer includes all the latest APU Software plug-ins and applications. See the individual product download sections below for separate installers, supported software formats, and user manuals.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.

Loudness Meter v5.4.7

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MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Loudness Leveler v5.4.7

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MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Loudness Compressor v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Dynamics Optimizer v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application.

Loudness Limiter v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Spectrum Analyzer v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Loudness Contour v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

TrueGain v5.4.7

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

Need Windows 32-bit (x86)?

The user manual above is also available on the live docs site.

System requirements: macOS 10.14 (x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.
Supported software formats: Standalone application, VST, AU, AAX (Pro Tools 11+).

Release Notes

Version 5.4.7

  • Add Hold low-level type (leveler/compressor/optimizer)

    Version 5.4.6

  • Show secondary target whenever enabled (leveler)

    Version 5.4.5

  • Average/Integrated gain compensation feature (leveler)
  • Secondary target loudness/tolerance for low-level and sidechain (leveler)
  • Replace calibration vocals (contour/truegain)
  • Threshold rendering and interaction improvements
  • Integrated measurements optimization

    Version 5.4.4

  • Fix for low-latency sidechain modes (leveler)
  • Fix missing axis on UI scale

    Previous release notes …