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Synth (Physical Modeling) Plugin by Xhun Audio
ResonHeart by Xhun Audio is a Virtual Instrument Audio Plugin for macOS and Windows. It functions as a VST Plugin, an Audio Units Plugin and a VST 3 Plugin.
Windows XP, Vista, 7, 8, 10 / 32-bit or 64-bit VST2, VST3 Host
macOS (OSX) 10.7 or above, 64-bit VST2, VST3, AU Host
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30-Day: 8484; 7-Day: 14796; Yesterday: 24684

ResonHeart is the physical modeling simulation of a never seen before, experimental, aerophone-based acoustic instrument.

Characterized by a complex modal-based architecture, this original machine has expressly been built to mimic the sound of different families of acoustic instruments - like winds, membranes, chromatic percussions, ethnic lutes and whistles, glasses, cymbals and crashes, vocal ensembles and choirs, or even an entire orchestral strings section - as well as to produce very unconventional, organic tones, evolving textures and expressive motion pads.

Working on the principles of fluid dynamics and designed to potentially be a real-world replicable machine, every single component inside ResonHeart has been modeled after existing hardware - commercially available devices like air pumps, pneumatic valves and metal resonators. Also the surrounding room acoustics has been carefully modeled, simulating a wide range of spatial environments, from small chambers to big concert halls, to stone-walled cathedrals and beyond.

Moreover, ResonHeart features a clean and intuitive interface, making the sound designing process just simple and effective.


  • Physical modeling simulation of a complex acoustic sound generator machine, achieved by the adoption of the Advanced Component Simulation (ACS) approach.
  • Full 64-bit processing accuracy for every single aspect of the simulation.
  • A 100% original aerophone-based mechanical acoustic instrument, featuring an articulated modal architecture and capable of mimicking other acoustic instruments' tones and flavours.
  • Entirely made of mechanical components (resonators, motors, valves) which have been modeled after existing, commercially available parts.
    • Air pump motors with dedicated automations and retrig control.
    • Venturi valves.
    • Swing motors and valves (from 0.1 Hz up to 20 Hz).
    • Pneumatic solenoid valves (with a 3-ms aperture, 2-ms disclosure timing).
  • Air turbulence dispersion control.
  • A complex resonator block (one per voice) made of sixteen universal Helmholtz resonators, each with independent tuning (internal volume) and pressure (embouchure) controls.
    • A dedicated modulation for resonators' tuning, featuring Swing, Contour, Velocity and Pitch Follower controls.
    • A dedicated modulation for resonators' pressure, featuring Swing, Contour, Velocity and Pitch Follower controls.
  • Operates as a monophonic or polyphonic (4-voices) instrument.
  • True polyphony, achieved by simulating separate, fully-independent mechanical sound generators.
  • Separate controls for global tuning, voices detune (spread), pitch bending (amount) and portamento.
  • An accurate room / hall simulation (resonator-based).
  • A spatial displacement engine, arranging the instrument's four voices/blocks inside the room space.
  • Including a 130+ ready-to-use factory presets collection, covering different styles and genres, including deep and solid basses, real-world cymbals and crashes, membranes and percussions, woodwinds, plucked strings, ethnic bells and whistles, organic motion pads, symphonic strings and choirs sections, evolving soundscapes, psychoacoustic sound effects and more.
  • MIDI automation.
  • Support for sample rates from 44.1 kHz up to 192 kHz.
  • Available in multi-size GUI resolutions.

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Comments & Discussion for Xhun Audio ResonHeart

Discussion: Active
12 September 2019 at 7:00am

Hello, .

I did not find this product (which seems interesting though) on the Xhun Audio webpage.
Has it been announced too soon or is it a discontinued product ? thanks.

Cheers, eric.

12 September 2019 at 8:41am

Hi Eric, .

ResonHeart has *just* been announced, it will be released very soon. Obviously, a full product page on Xhun Audio website (www.xhun-audio.com) will be available upon product's release.

12 September 2019 at 9:09am

Hello, .

Thanks a lot for your (very fast) answer and reactivity.
This is a great news. I am looking forward reading more about it soon as I already own all your software VSTs (which are really good by the way) and above all I am "fade-up" (to stay polite;o) with all these sampled instrument taking "ages" to switch from one presets to the other / filling my hard disk.

When I hear instruments VSTs developed by Pianoteq, IK Multimedia, AAS, etc (that I own as well by the way) I think that physical modeling is really the way to go now.

I would say it is it is also "pleasure" to support developers (by buying their software) who are innovating by creating new (kind of) instruments. Thanks a lot for that and keep on your good work.

Cheers, Eric.

12 September 2019 at 9:16am

Thank you so much for your support Eric, :).

14 September 2019 at 5:42am

Looking forward to trying this out!!!! Is there any idea of a release date?

14 September 2019 at 12:20pm

Hi, just a matter of days/weeks... No delays, I promise.

30 September 2019 at 10:39am

Love the leaves on the UI :) (seriously).


30 September 2019 at 11:23am

Thank you, I planted that hedera 1 year ago :).

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