2018
DOI: 10.1109/tvcg.2018.2794098
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Diffraction Kernels for Interactive Sound Propagation in Dynamic Environments

Abstract: We present a novel method to generate plausible diffraction effects for interactive sound propagation in dynamic scenes. Our approach precomputes a diffraction kernel for each dynamic object in the scene and combines them with interactive ray tracing algorithms at runtime. A diffraction kernel encapsulates the sound interaction behavior of individual objects in the free field and we present a new source placement algorithm to significantly accelerate the precomputation. Our overall propagation algorithm can ha… Show more

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Cited by 32 publications
(20 citation statements)
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References 30 publications
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“…Here is reported a self-consistent field calculation through abinitio and DFT method and also sonification approaches [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64] for translating amino acids sequences into audible music sounds and applying it to generate protein of insulin designing using artificial intelligence (Figs 11, 12). Between chemical shifts, each 10 ppm is one unite, as for instance among 200 to 170 there are 3 units so is equal to one half not plus to one quarter note.…”
Section: Resultsmentioning
confidence: 99%
“…Here is reported a self-consistent field calculation through abinitio and DFT method and also sonification approaches [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64] for translating amino acids sequences into audible music sounds and applying it to generate protein of insulin designing using artificial intelligence (Figs 11, 12). Between chemical shifts, each 10 ppm is one unite, as for instance among 200 to 170 there are 3 units so is equal to one half not plus to one quarter note.…”
Section: Resultsmentioning
confidence: 99%
“…While wave-based methods generally produce more accurate results, it remains an open challenge to build a real-time universal wave solver. Recent advances such as parallelization via rectangular decomposition [36], pre-computation acceleration structures [34], and coupling with geometric acoustics [46,68] are used for interactive applications. It is also possible to precompute low-frequency wave-based propagation effects in large scenes [43], and to perceptually compress them to reduce runtime requirements [42].…”
Section: Related Workmentioning
confidence: 99%
“…These algorithms are based on fast ray tracing and perform specular and diffuse reflections [48]. Some techniques have been proposed to approximate low-frequency diffraction effects using ray-tracing [46,61,64]. Our approach can be combined with any interactive audio simulation method, though our current implementation is based on bidirectional ray tracing [7].…”
Section: Related Workmentioning
confidence: 99%
“…The only techniques of altering the pitches of the oboes are to adjust the breadth or length of the reeds; it is nearly impossible for making any suddenly changing. It is complicated to adjust the pitches of the oboes [84,85]. So, it would appear which the other musical tools must be made to match, and that is the explanation of why the oboes are the standard for tuning.…”
Section: The Oboe Charachteristic On Leading the Orchestra In Tuningmentioning
confidence: 99%