Nugen Audio Halo Downmx with 3D extension
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Manufacturer Information
Nugen Audio
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What NUGEN Halo Downmix Is For
Designed for film/TV postproduction, broadcast, streaming platforms, video games, and immersive music, "Halo Downmix" transforms multichannel mixes into reliable and coherent stereo. It also allows rebalancing of existing 5.1 or 7.1 mixes when stems are no longer available, while ensuring excellent playback compatibility across all media.
Main Features
Broadcast-quality surround-to-stereo downmix
Beyond standard coefficients, Halo Downmix controls diffuse energy from artificial reverbs and corrects phase issues in rear channels. The result: a solid stereo image, controlled bass, and perfectly intelligible vocals.
Surround-to-surround adjustments
In surround-to-surround mode, refine a 5.1 or 7.1 mix without reopening the original session: adjust channel by channel, balance direct/ambient, and rebalance your soundstage with just a few gestures.
Included immersive 3D extension
The 3D Immersive Extension adds support for downmixing from 7.1.2, the Dolby Atmos bed format. Ideal for quickly obtaining a reliable stereo version from immersive deliverables.
Accelerated workflow and monitoring
Pair Halo Downmix with the "NUGEN Receive" plug-in to create a parallel surround/stereo stream. Instantly switch between the multichannel version and its fold-down, compare and validate your choices in real situations thanks to "in-place" monitoring and linked solos/mutes.
Technical specifications
| Type | Full software | Downloadable | Yes |
| macOS | OS X 10.9 | Windows | Windows 7 |
| Disk Space (macOS) | 512 GB | Disk Space (Windows) | 512 GB |
Questions frequently asked
Halo Downmx with 3D extension: is 7.1.2 Dolby Atmos supported?
Thanks to the included 3D Immersive extension, downmixing from 7.1.2, the Dolby Atmos bed format, is supported. A stereo version can thus be obtained from immersive deliverables.
Is it possible to rebalance a 5.1 or 7.1 mix without the original stems?
The surround-to-surround mode allows adjustment of a 5.1 or 7.1 mix channel by channel without reopening the original session. The balance between direct signal and ambience can be modified to rebalance the soundstage.
How to compare the surround mix and its stereo downmix?
With the NUGEN Receive plug-in, a parallel surround/stereo stream can be created. In-place monitoring allows switching between the multichannel mix and its fold-down. Linked solo and mute functions facilitate comparisons.
What macOS and Windows compatibility does this plug-in have?
The stated compatibility covers macOS OS X 10.9 and Windows 7, with 512 GB of disk space indicated for each system.
Does the stereo downmix correct phase issues of the rear channels?
During surround-to-stereo downmix, processing controls the diffuse energy from artificial reverbs and corrects phase issues of the rear channels. This correction helps maintain a coherent stereo image, controlled bass, and clear vocals.




