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Tools
Slovox Multichannel Test Suite
Slovox
The Slovox Multichannel Test Suite is a free Reaper JSFX plug-in for testing multichannel and immersive loudspeaker systems. It sequentially cycles test signals (pink noise, sine sweeps, bursts) across a selected range of channels to verify loudspeaker layout, routing, and operation, used to check ambisonic arrays, beamforming speakers, higher-order Ambisonic domes, and other spatial setups ahead of installations and gigs.
SPATAI
sonicLAB
SPATAI is an AI-assisted spatial-motion tool that generates trajectories for up to 64 sound objects in a virtual 3D acoustic space from natural-language prompts. It runs Large Language Models in the cloud or locally via Ollama or LM Studio, supports Cartesian and polar coordinates, and sends OSC or MIDI motion data to third-party spatialisers including IEM, Holophonix, IRCAM Spat, IRCAM Panoramix, L-ISA, TiMax, ADM-OSC, and SPAT Revolution.
Zirkonium
ZKM | Hertz-Lab
Zirkonium is a free macOS toolkit for spatial-audio composition and performance, developed at ZKM | Hertz-Lab Karlsruhe to drive the Klangdom — a 47-loudspeaker dome at the ZKM Kubus. Current version Zirkonium MK3 (since 2015) provides parametric trajectory creation over time, automatic interpolation, event filtering, and real-time rendering on arbitrary 2D or 3D loudspeaker setups. The DSP server is built on Pure Data (libpd) and uses VBAP, Higher-Order Ambisonics (HOA library, CICM), and binau
Wwise
Audiokinetic
Wwise is an audio middleware suite for interactive media and games. It comprises a graphical authoring tool and a cross-platform sound engine, with components for spatial audio, interactive music, dynamic mixing, and integrated platform support, used in game audio production, automotive sound, acoustic simulations and location-based entertainment.
WFSCollider
Game Of Life Foundation
WFSCollider is a SuperCollider class library for Wave Field Synthesis spatialisation with a graphical timeline, trajectory editor, and modular Unit Library audio plug-in system. It supports point sources, plane waves, and per-speaker indexing, with sample-accurate scheduling across distributed servers, used in WFS composition and large-scale loudspeaker array performance.
Waves Nx
Waves Audio
Waves Nx is a commercial monitoring plug-in that simulates a high-end mixing room over headphones via binaural processing and modelled early reflections. It supports stereo, 5.0/5.1/7.1 surround, and Ambisonic B-format monitoring (Nx Ambisonics component) for 360° and VR work. Real-time head tracking is supported via webcam or the dedicated Nx Head Tracker hardware; the plug-in includes EQ correction profiles for 270+ headphone models based on the Harman Headphone Target Curve.
Unreal Engine MetaSounds
Epic Games
MetaSounds is the procedural audio system in Unreal Engine 5, providing audio designers with node-graph control over DSP graph generation for sound sources. It supports sample-accurate triggers, runtime modification via the MetaSound Builder API, and integrated spatialization, used in game audio, interactive media, and real-time virtual production.
Unity Audio Spatializer SDK
Unity Technologies
The Unity Audio Spatializer SDK is the free, built-in plug-in framework inside Unity that allows third-party 3D-audio SDKs to spatialise audio sources on a per-AudioSource basis. Unity itself does not ship a built-in spatialiser plug-in, but exposes the spatialiser-plug-in API and an Ambisonic-decoder-plug-in API; spatialiser plug-ins are then provided by third parties (Meta XR Audio SDK, Steam Audio, Resonance Audio, VIVE 3DSP, Microsoft Spatializer, etc.) and selected per project in Project Se
TiMax SoundHub
Outboard
TiMax SoundHub is a commercial 2U hardware spatial audio processor with proprietary FPGA DSP for object-based, dynamic delay-matrix processing. It manages 32×32 or 64×64 channels with Dante or MADI I/O and runs shows autonomously without an attached computer; companion macOS/Windows software (PanSpace, Timeline, Mixer) provides spatial mapping, cue authoring, and show control. Used in theatre, opera, concerts, museums, theme parks, planetariums, and worship venues.
SuperCollider
SuperCollider community
SuperCollider is an open-source environment and programming language for real-time audio synthesis and algorithmic composition. It comprises a real-time audio server (scsynth, plus the multi-threaded supernova), an interpreted, object-oriented language (sclang) for controlling the server, and an integrated editor (scide). It is the host platform for the Ambisonic Toolkit (ATK for SuperCollider) and a wide range of HOA UGens, and is widely used in live coding, electroacoustic composition, and spa
Steam Audio
Valve Corporation
Steam Audio is a free, open-source cross-platform spatial-audio toolkit developed by Valve. It provides HRTF-based 3D positional audio (with custom-SOFA-file support), Ambisonic spatialisation, physics-based sound propagation modelling occlusion / transmission / reflections / pathing, automated reverb baking based on scene geometry, hybrid reverb for large spaces, and dynamic geometry support. Distributed as integrations for Unity (2017.3+), Unreal Engine (4.27+), FMOD Studio (2.0+), Wwise (2023
Spatial Audio Designer
New Audio Technology
The Spatial Audio Designer (SAD) is a commercial plug-in suite for mixing and monitoring of 2D surround and 3D immersive audio formats (5.1 through 22.2, Dolby Atmos, Auro-3D, MPEG-H, IMAX 3D, DTS:X) in any DAW. It uses a virtual bus system independent of the host's channel limits and includes a Headphone Surround 3D speaker virtualisation for binaural monitoring, used in film, music, game audio, planetariums, and dome-projection contexts.
SpatGRIS
Groupe de Recherche en Immersion Spatiale (GRIS), Université de Montréal
SpatGRIS is a free, open-source multichannel spatialisation server developed at Université de Montréal that supports up to 256 inputs and 256 outputs in five spatialisation modes: DOME (VBAP for speaker domes), CUBE (MBAP for non-dome layouts), HYBRID (mixed DOME / CUBE per source), BINAURAL (HRTF-based headphone monitoring), and STEREO. Distributed together with ControlGRIS — a companion plug-in (AAX / AU / VST3) that builds spatial trajectories inside the user's DAW and sends them to SpatGRIS
SPAT Revolution
FLUX:: Immersive
SPAT Revolution is a commercial real-time spatialisation engine for object-based and channel-based immersive audio production, supporting binaural, surround, Atmos-compatible, Ambisonic, VBAP, and Wave Field Synthesis (WFS) panning. It runs as a standalone application alongside any DAW via send/return/room plug-ins and OSC, used in studio post-production, live touring, theatre, museum and dome installations, and immersive research contexts.
SPARTA
Aalto University
SPARTA (Spatial Audio Real-Time Applications) is an open-source collection of audio plug-ins for the production and playback of spatial sound scenes, supporting Ambisonics up to 10th order. It provides Ambisonic encoders, loudspeaker and binaural decoders, rotators, beamformers, microphone-array encoders, room simulators, and sound-field visualizers, used in spatial audio research, production, and immersive playback contexts.
SoundScape Renderer (SSR)
SoundScape Renderer community
The SoundScape Renderer (SSR) is a tool for real-time spatial audio reproduction supporting multiple rendering algorithms within a unified framework: Wave Field Synthesis, Higher Order Ambisonics, Vector Base Amplitude Panning, Distance-Coded Ambisonics, Binaural Room Synthesis, and binaural rendering with SOFA support, used in research, teaching, and spatial audio production.
SoundField by RØDE Plug-in
RØDE Microphones
The SoundField by RØDE Plug-in is a free Ambisonic processor for converting A-format recordings (from tetrahedral microphone arrays) and B-format recordings into virtual microphone patterns and standard surround formats up to 7.1.4. It uses frequency-domain processing rather than the matrix-based approach of earlier Ambisonic decoders, used in post-production, broadcast, and VR audio workflows in DAWs such as Pro Tools, Nuendo, Cubase, Reaper, and Logic Pro.
Sound Particles
Sound Particles
Sound Particles is a commercial standalone immersive audio workstation built around a 3D engine and a particle system — conceptually a CGI engine for sound. It generates large numbers of sound instances from a single sample, animates them in 3D space, and captures them with virtual microphones to render in stereo, binaural, surround, Ambisonics (up to 6th order), or Dolby Atmos ADM. Used widely in film, TV, game-audio, and immersive music for crowds, weather, atmospheres, and large-scale sound d
SkyDust 3D
Sound Particles
SkyDust 3D is a commercial polyphonic spatial synthesizer plug-in by Sound Particles — described as the world's first synthesizer with full 3D-audio support per voice. Up to 8 oscillators per voice (subtractive, FM, or hybrid synthesis), 256-voice polyphony, polyphonic step sequencer, MPE support, and per-oscillator spatial movement controlled by envelopes, LFOs, and movement modifiers. Outputs in over 30 formats including stereo, 5.1, 7.1, 7.1.2, 9.1.6 (Dolby Atmos), Ambisonics up to 6th order,
Sennheiser AMBEO Orbit
Sennheiser
AMBEO Orbit is a free binaural panner plug-in originally released by Sennheiser in 2018 as part of the AMBEO 3D recording / VR ecosystem, intended to position mono and stereo sources in a 3D headphone mix using HRTFs based on the Neumann KU100 dummy head. It included a 'Clarity' parameter for controlling the amount of binaural colouration and a simple early-reflection / room-reverb module for five wall-material types.
Resonance Audio
Resonance Audio steering committee
Resonance Audio is an open-source spatial-audio SDK originally developed by Google and released as open source in March 2018. It provides high-fidelity Ambisonic-based spatial audio rendering optimised for mobile and desktop CPUs, including encoding and decoding of Ambisonics (AmbiX ACN/SN3D, compatible with the YouTube spatial-audio decoder), HRTF-based binaural rendering, sound-source directivity, near-field rendering, occlusion, and a Spectral Reverb effect. Distributed as native libraries pl
Pure Data
Pure Data community
Pure Data (Pd) is an open-source visual data-flow programming environment for real-time audio, video, and graphics. Patches are built by connecting object boxes; the standard Pd-vanilla distribution provides core audio and MIDI processing, with extensions (cyclone, ELSE, GEM, IEM ambisonics) adding higher-level functionality. Widely used in academic research, sound installation, and live electroacoustic composition.
Pro Tools Ultimate
Avid Technology
Pro Tools Ultimate is the flagship edition of Avid's commercial DAW for music recording, post-production, and immersive mixing. It supports up to 2,048 audio tracks, 192 channels of HDX I/O, and Pro Tools | HDX hardware acceleration; integrated Dolby Atmos renderer (since v2023.12) with 9.1.6 support; Ambisonics mixing; native Sony 360 Reality Audio integration via the WalkMix Panner / Renderer (since v2025.10); ADM BWF master export. Used as the industry-standard tool at major film, television,
OpenAL Soft
Chris Robinson (kcat)
OpenAL Soft is a free, open-source software implementation of the OpenAL 3D-audio API. Provides distance attenuation, Doppler shift, directional sound emitters, environmental reverb (EFX extension), occlusion / obstruction, air absorption, multi-channel buffers, and audio capture. Output formats include mono, stereo, quad, 5.1, 7.1, HRTF binaural, UHJ, and B-Format Ambisonics. Backend support spans most native audio APIs: WASAPI, DirectSound, CoreAudio, PulseAudio, ALSA, JACK, OSS, OpenSL, PortA