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 Heliox by CO2Sound is a Virtual Instrument Audio Plugin for Windows. It functions as a VST Plugin.
Product Heliox
Developer CO2Sound
Price (MSRP) Free
Type / Tags
Plug-in, App & Soundware Format(s)
Operating System Availability
Download Released
 1.2  Downloads Released
Miscellaneous Information
Copy ProtectionNone

Heliox is a rather simple experimental synthesizer, with a "no-frills" GUI, capable of "weird" textures and noises, as well as "normal" synth sounds, like pads, leads and basses.

Main features are:

  • monophonic, with 30 oscillators bank.
  • adjustable oscillators' frequencies, ranging from single frequency to harmonic and non-harmonic series.
  • oscillators can be purely sinusoidal, or "shaped" by an adjustable parameter.
  • adjustable attenuation factor between successive oscillators.
  • 30 LFOs, each modulating amplitude of corresponding oscillator.
  • adjustable LFOs' frequencies, similarly to oscillators.
  • LFOs can be purely sinusoidal ("bell-like") or "shaped" by 2 adjustable parameters: center and sharpness.
  • phase shift between successive LFOs is adjustable.
  • LFOs can be periodic or randomly intermittent, with adjustable "density".
  • ADSR envelope.


Discussion: Active


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Average user rating of 8.00 from 1 review

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