Steam Audio SDK

What it does

Ambisonics

It can spatialize Ambisonics audio and rotate it according to listener orientation.checked 3 Oct 2001

Custom HRTFs

Users can supply HRTFs in AES SOFA format.checked 3 Oct 2001

Environmental effects

Its features include physics-based sound propagation, occlusion, reflections, and reverb.checked 3 Oct 2001

FMOD requirement

The FMOD Studio integration requires FMOD Studio 2.00 or later.checked 3 Oct 2001

Integrations

The official site lists Unity, Unreal Engine, a C API, FMOD Studio, and Wwise integrations.checked 3 Oct 2001

Intended users

The C API is intended for custom game engines, custom audio middleware, and digital audio workstations, and can be called from languages that use external libraries.checked 3 Oct 2001

Performance

Steam Audio can use multicore CPUs and supported GPUs to accelerate environmental simulation and rendering.checked 3 Oct 2001

Purpose

Steam Audio is a cross-platform toolkit for adding spatial audio to games and VR/AR apps.checked 3 Oct 2001

Spatial audio

It renders positional audio binaurally using HRTFs to model sound direction relative to the listener.checked 3 Oct 2001

Supported systems

The C API documentation lists Windows, Linux, macOS, Android, and iOS support, with platform and version requirements.checked 3 Oct 2001

Support status

The official homepage invites feedback on Steam Audio and its development tools, which it describes as being in Beta.checked 3 Oct 2001

Unity requirement

The Unity integration requires Unity 2017.3 or later.checked 3 Oct 2001

Unreal requirement

The Unreal Engine integration requires Unreal Engine 4.27 or later.checked 3 Oct 2001

Wwise requirement

The Wwise integration requires Wwise 2023.1.0 or later.checked 3 Oct 2001