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Real-Time Simulation of Sound Propagation, Diffraction, and Absorption in Video Games

Presented by Jean-François GuayProgrammer Audio Expert Ubisoft

November 1st14:45 - 15:45Room : Jacques-Cartier



Audio track presented by Steinberg and Yamaha Canada Music.

The simulation of sound propagation can increase the sense of immersion and can also become an important gameplay element. Jean-François will present the implementation of sound propagation in a Ubisoft title by covering the following subjects:

- Importance of simulating sound propagation in a game
- Algorithm chosen to compute all sound propagation paths in real-time
- Problems encountered during game integration
- Tools developed to facilitate integration of this technology in games

Learning Objectives
- Understanding the importance of simulating sound propagation in AAA games.
- Understanding the complexity of good implementation of sound propagation without overly impacting other resources used by the game.
- Understanding the importance of having a good production pipeline and tools that allow fast iteration in many environment types (open world, interior, and so on).



Jean-François-Guay
About Jean-François Guay

Jean-Francois has a bachelor's degree in physics and a master's degree in electrical engineering (signal processing and psychoacoustics). He worked at the University of Sherbrooke's voice compression research laboratory [ACELP codec (G.729)]. He subsequently joined Ubisoft's audio engine team in 1999 where he participates in most researches related to audio. He teaches courses in signal processing and psychoacoustics. He also works as a trainer in astronomical image processing at the Dow Planetarium of Montreal.

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