APU Software

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Latest installers and user manuals.

Loudness Series v3.5.3

Choose your operating system to download the latest installer below.

MacOS Windows

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 (x86, x64, ARM), Windows 10 (x86, x64), OpenGL 3.2.

Loudness Meter v3.5.3

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MacOS Windows User Manual

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

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

Loudness Compressor v3.5.3

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

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

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

Dynamics Optimizer v3.5.3

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

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

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

Loudness Limiter v3.5.3

Choose your operating system to download the latest installer below.

MacOS Windows User Manual

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

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

Release Notes

Version 3.5.3

  • Use attack/release ballistics for learn function (compressor)
  • Support mouse-over context for vertical orientation delta history (meter)

    Version 3.5.2

  • Don’t automatically enable limiter on target range presets (compressor)
  • Fix background image usage for popups/dialogs

    Version 3.5.1

  • Fix OpenGL background image refresh issue

    Version 3.5.0

  • Use background image for some UI components
  • Replace super-sampling with window size matched render size

    Previous release notes …