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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences 2008 E91-A(6):1310-1319; doi:10.1093/ietfec/e91-a.6.1310
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Copyright © 2008 The Institute of Electronics, Information and Communication Engineers

Special Section on Acoustic Scene Analysis and Reproduction - Papers

Localization Model of Synthesized Sound Image Using Precedence Effect in Sound Field Reproduction Based on Wave Field Synthesis

Toshiyuki KIMURA1, Yoko YAMAKATA1, Michiaki KATSUMOTO1 and Kazuhiko KAKEHI2

1 The authors are with the Universal Media Research Center, National Institute of Information and Communications Technology, Koganei-shi, 184-8795 Japan. E-mail: t-kimura{at}nict.go.jp, 2 The author is with the School of Information Science and Technology, Chukyo University, Toyota-shi, 470-0393 Japan.


  Abstract

Although it is very important to conduct listening tests when constructing a practical sound field reproduction system based on wave field synthesis, listening tests are very expensive. A localization model of synthesized sound images that predicts the results of listening tests is proposed. This model reduces the costs of constructing a reproduction system because it makes it possible to omit the listening tests. The proposed model uses the precedence effect and predicts the direction of synthesized sound images based on the inter-aural time difference. A comparison of the results predicted by the proposed model and the localized results of listening tests shows that the model accurately predicts the localized results.

Key Words: sound field reproduction, wave field synthesis, localization model, precedence effect, inter-aural time difference

Manuscript received August 7, 2007. Manuscript revised November 23, 2007.


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