Real-time rendering of aerodynamic sound using sound textures based on computational fluid dynamics

Authors:
Yoshinori Dobashi;Tsuyoshi Yamamoto;Tomoyuki Nishita
Affiliations:
Hokkaido University;Hokkaido University;The University of Tokyo
Venue:
ACM SIGGRAPH 2003 Papers
Year:
2003

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Abstract

In computer graphics, most research focuses on creating images. However, there has been much recent work on the automatic generation of sound linked to objects in motion and the relative positions of receivers and sound sources. This paper proposes a new method for creating one type of sound called aerodynamic sound. Examples of aerodynamic sound include sound generated by swinging swords or by wind blowing. A major source of aerodynamic sound is vortices generated in fluids such as air. First, we propose a method for creating sound textures for aerodynamic sound by making use of computational fluid dynamics. Next, we propose a method using the sound textures for real-time rendering of aerodynamic sound according to the motion of objects or wind velocity.