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- W2551677029 abstract "We introduce Bidirectional Sound Transport (BST) , a new algorithm that simulates sound propagation by bidirectional path tracing using multiple importance sampling. Our approach can handle multiple sources in large virtual environments with complex occlusion, and can produce plausible acoustic effects at an interactive rate on a desktop PC. We introduce a new metric based on the signal-to-noise ratio (SNR) of the energy response and use this metric to evaluate the performance of ray-tracing-based acoustic simulation methods. Our formulation exploits temporal coherence in terms of using the resulting sample distribution of the previous frame to guide the sample distribution of the current one. We show that our sample redistribution algorithm converges and better balances between early and late reflections. We evaluate our approach on different benchmarks and demonstrate significant speedup over prior geometric acoustic algorithms." @default.
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- W2551677029 date "2016-11-11" @default.
- W2551677029 modified "2023-09-27" @default.
- W2551677029 title "Interactive sound propagation with bidirectional path tracing" @default.
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- W2551677029 doi "https://doi.org/10.1145/2980179.2982431" @default.
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