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Zuofu Cheng

Geometric Acoustics

Zuofu Cheng, 1/28/2015, 4:00-5:00pm, BI 4369

Geometric acoustics (GA), which involves directly simulating in real-time the acoustic transfer between sound sources and listeners in a virtual space, is considered the holy grail of game audio. We present a GA method and optimizations which along with the massive parallelism of modern GPUs allows for immersive sound rendering at interactive frame-rates. We will talk specifically about optimizing the two main components of our engine: the ray-acoustic engine and the per-path head-related transfer function (HRTF) signal processing module. Special focus will be given to translating traditionally serial audio processing algorithms to the fine-grained parallel nature of the GPU.

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