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Please use this identifier to cite or link to this item: http://hdl.handle.net/10445/5365

Title: Generating Spark Discharge Sound for Interactive Animation using WM-wave
Authors: Matsuyama, Katsutsugu
Fujimoto, Tadahiro
Chiba, Norishige
Abstract: A technology for automatically creating and adding sound to interactive CG animations of spark discharges in an efficient way has been developed. In the procedure proposed in this paper, the user inputs the electric charge distribution, boundary conditions and other parameters affecting the initiation of electric discharges in virtual space. The animation of the discharge is then created by generating and rendering the profile of the discharge pattern. The sound synchronized with the animation is automatically generated in an efficient way. The noises generated by spark discharges are shock waves, which exhibit complicated behavior; however, in this study, an empirical profile for a shock wave is employed to efficiently generate the acoustic waveform. Effective procedures for expressing lightning discharges and continuous discharges are also proposed. In this paper, we present the details of our technique and demonstrate its effect and efficiency by giving many experimental examples. We investigated the parameters and waveforms employed in this study to demonstrate the validity of this procedure.
Research Achievement Classification: 原著論文/Original Paper
Type: Journal Article
Peer Review: あり/yes
Solo/Joint Author(s): 共著/joint
Published journal or presented
academic conference: 
The Journal of the Society for Art and Science
Volume: 7
Number: 4
Spage: 145
Epage: 154
Date: Dec-2008
Publisher: The Society for Art and Science
Appears in Collections:Matsuyama, Katsutsugu

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