Real Time Procedural Audio for Immersive Gameplay with MetaSounds

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This journal article is about creating real-time procedural environmental audio such as rain, wind, and thunder using Unreal Engine's MetaSounds system. Instead of relying on large pre-recorded sound libraries, the authors generate sounds dynamically with noise generators, filters, envelopes, and modulation nodes. Their results show that procedural audio greatly reduces storage and memory usage while still sounding realistic, with only a small increase in CPU/GPU load. The paper argues that MetaSounds is an efficient and immersive way to design game audio and could be extended with AI for future adaptive sound systems.

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