RaySpace 2.4 is an updated plug-in for simulating reverb in acoustic chambers. It’s got a fully 3D interface you can rotate around as you make adjustments, and, its creators assure us, it’s not a convolution reverb. Instead, it’s powered by bubbles. Say what?

DBT (Diffuse Bubble Tracing) is a highly efficient algorithm that analyses the entire room in a fraction of a second. It traces ‘bubbles’ of sound bouncing off the walls until they hit the listener. The angle they hit determines the pan and surround position they play from. With hundreds of these sound bubbles the listener is immersed in an incredibly rich environment.

That sounds a bit to me like a combination of physics simulation and basic granular synthesis (at least at the theoretical level). I want to work with the plug-in a little before I make any assumptions about how well it works; stay tuned for a review. Here are the advantages the creators claim this technique has:

  1. Higher efficiency: “zero latency” (I’m assuming that means once signal enters the plug-in; that’s possible), near-instant updates to settings, CPU-efficient even on longer reverbs (more scalable than convolution and traditional digital reverbs, it sounds)
  2. Ray scattering for adding “roughness” and “character” via random reflections
  3. Draw in walls of any angle to create complex, custom rooms
  4. Stereo spread parameter

The idea sounds fantastic — a ray-tracing algorithm for sound. I’ll be testing to see if it delivers. (Since this is version 2.4, has anyone else tried it?)

Pricing: US$90
Formats: AU
Compatibility: Universal, PowerPC Macs

RaySpace 2.4

  • kevin

    I use rayspace in every track.

    From totally strange reverb to very precise room ambience.

    I like it alot.

    If i need something to created spaces i'll use rayspace.

    I still don't know how it actually works but it's great to tweak and get something decent, don't ask me to replicate this or that room but by tweaking you can get close… if you know every parameter you'll get very very close.

    Other reverbs i use are plate 140 from UAD and some smaller very digital reverbs just for the typical sound… since i've gotten rayspace i haven't been touching much of my convultion reverbs….

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  • yoshi


    Good for simulating spaces. It's not my main reverb plugin. I use to use another less CPU hungry reverbs (Waves R-Verb is my first option) for almost averything and convolution for classic and room sounds and RaySpace for more precise reverbs. It's very useful for reverb design in film audio editing.


  • darkcraft

    Been using this since 1.x – I was first attracted by the very visual nature of the interface (I'm a graphic designer migrating to making electronic music.)

    It's extremely flexible – you can draw the reverb space from scratch (in 2d floorplan, walls, columns, obstacles etc), scale it, manipulate its height, and there are enough freq parameters available (all automatable natch) to get excellent matches for existing reverbs. You can also automate listener and speaker positioning.

    The overall sound is lavish but extremely clean, and can verge on too bright – somehow it sounds less expensive and subtle than some conv based efforts. Passed back through valves, dirtied and eq'd, maybe just a tiny hint of movement and it's incredibly musical – if not totally natural.