Nugen Audio AB Assist 2
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Information
Information
Manufacturer Information
Nugen Audio
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Woodbrass.com
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What AB Assist Is For
AB Assist is designed to speed up and make decision-making more reliable in mixing and mastering. It allows smooth switching between different versions of the same project, evaluating the impact of processing, comparing references, or testing plug-in choices without auditory bias. Ideal for sound engineers, producers, and demanding creators who want to validate an option in seconds.
Main Features
Bias-Free Multi-Source Comparison
Load up to four sources and switch between them with one click. In "test" mode, channels are randomly renamed to eliminate any cognitive influence and focus listening on the sound.
Automatic Level Equalization (LUFS)
The auto-level engine aligns short-term levels so that tonal perception and dynamics take precedence over volume differences. You judge quality, not loudness.
Stereo, Surround, and Compatibility Control
Compare mixes in stereo or multichannel, then instantly check mono compatibility via a reliable mono fold-down. Smooth crossfades prevent any distraction during switching.
Inter-Instance Communication
Install multiple instances in your session: they synchronize directly with each other, without external buses, to route and recall sources with ease.
Technical specifications
| Type | Full software |
| Downloadable | Yes |
| macOS | macOS 10.9 |
| Windows | Windows 7 |
| Memory | 1 GB RAM |
Questions frequently asked
Can AB Assist 2 compare multiple versions of a mix?
Up to four sources can be loaded to compare different versions of a project. The Test mode randomly renames channels to reduce visual bias during listening.
How does LUFS level alignment work?
The auto-level engine aligns short-term levels between sources. This way, the comparison focuses on tonal balance and dynamics rather than volume differences.
Is it possible to check a mix in mono with AB Assist 2?
A mono fold-down allows for instant verification of mono compatibility, both in stereo and multichannel environments.
Can instances of the plug-in communicate with each other?
Multiple instances can be loaded in the same session. They synchronize directly without the need for an external bus. This allows sources to be routed and recalled more easily.
What computer configuration is required?
The stated compatibility starts at macOS 10.9 and Windows 7, with 1 GB of RAM. The software is available for download.




