Symphony 3D

Exponential Audio has announced ‘next-dimension’ surround reverb plug-ins – Stratus and Symphony are intended to make postproduction sound more creative with new surround formats.

The plug-ins create dense and powerful early reflection control – twice as dense as the company’s earlier PhoenixVerbSurround and R2Surround – and offer a unique reflection pattern from every input to every output. They support channel counts up to 7.1 in the basic version, and up to Atmos, 22.2 and other formats with the 3D option. They also maintain session compatibility with the base version; sessions created with the base version will work in upgraded version, allowing users to add height channels to existing work.

Greater stem options extend mono-in/surround out processing to generation of surround reverb from LCR input. For those working in immersive audio – including Atmos, Auro, DTS-X, Imax, NHK 22.2 – both Stratus and Symphony offer a 3D option that gives users licences for the base versions and also the 3D version of the plug-ins.

Exponential Audio claims a unique optimisation of power and low CPU demand. Stratus and Symphony also shut off unused channels if no audio is present.

Key features:

  • Expanded EQ over Nimbus and R4 architectures.
  • Symphony allows real-time EQ modulation using a pair of built-in oscillators.
  • Every reverb channel is decorrelated.
  • Dynamic control with tail-suppression (expanded from Nimbus/R4).
  • Warp, to add timbral and dynamic control.
  • Optional tempo control of pre-delay and reverb delay.
  • CPU Efficiency.
  • More than 1,500 presets.
  • Quick zoom feature allows double-size GUI.
  • Atmos Bed (7.0.2 or 7.1.2 ) in Pro Tools 12 and Nuendo 7.1/8.
  • Extensions to the Atmos Bed add 4 height channels (Pro Tools 12 only).
  • Extensions to other surround formats (5.1, 7.1, etc) add height channels (Pro Tools 11 or 12).
  • Auro 3D (9.1, 11.1, 13.1) and NHK 22.2 in Nuendo.

‘Our new reverbs address two issues – the ability to be more creative than ever before and to increase clarity within ever more complex mixes,’ says Exponential Audio founder Michael Carnes. ‘We thought long and hard about both and want to give post sound professionals the tools to achieve more challenging goals. We believe Stratus and Symphony tick both boxes.’

Immersive audio is currently supported only in Pro Tools (AAX) and Nuendo 7.1/8 (VST3). Other workstation support is being investigated for possible future releases.


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