FMOD
Firelight Technologies
FMOD is a commercial end-to-end audio middleware solution for games and interactive applications. It comprises FMOD Studio — a content-authoring application with a familiar pro-audio interface for designing adaptive audio events, multitrack music systems, snapshot mixing, profiling, and live update — and the FMOD Engine, a runtime API (C / C++ / C#) that plays back the authored content in-game. Includes built-in 3D-positional audio with distance attenuation, Doppler, occlusion, and integrates wi

History & Background
Developed by Firelight Technologies (Australia). Ready-to-use integrations for Unity and Unreal Engine; supports custom engine integrations via the FMOD Engine API. Licensing model is tiered by development budget: free for hobby and indie projects below a budget threshold, paid Indie license, and custom Pro / commercial licences for larger productions. Supports Windows, macOS, Linux, iOS, Android, and major game consoles.

