Audio and acoustics
Researching how sound is captured, processed, and understood, from speech recognition to spatial audio.
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Parametric Directional Coding for Precomputed Sound Propagation
Convincing audio for games and virtual reality requires modeling directional propagation effects. The initial sound’s arrival direction is particularly salient and derives from multiply-diffracted paths in complex scenes. When source and listener straddle occluders, the…
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Sound Capture and Speech Enhancement
The goal of device design is to overcome the device, room, and noise effects, ultimately producing a clean audio signal good enough for people and machines to understand.