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Conference Paper
Efficient 3D Sound Field Reproduction
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- Authors
- MinCheol Shin, Filippo M. Fazi, Jeong Il Seo, Philip A. Nelson
- Issue Date
- 2011-05
- Citation
- AES Convention 2011, pp.1-10
- Publisher
- AES
- Language
- English
- Type
- Conference Paper
- Abstract
- A method is presented for efficient sound field reproduction with a loudspeaker array constituted by multiple sound sources which are three-dimensionally distributed. The physical reproduction of several target sound fields is investigated when the target sound fields are surrounded by multiple sound sources. A cost function to be minimized has been developed to obtain the optimal solution with reasonable energy distribution and sufficient sweet area when the distribution of loudspeakers is non-uniform. The performance of the proposed method is verified by the results of computer simulations and subjective tests in the cases of NHK 22.2 and ETRI 10.2 channel configurations.
- KSP Keywords
- 3D sound field reproduction, Computer simulation(MC and MD), Cost Function, Energy distribution, Non-uniform, Subjective test, loudspeaker array, multiple sound sources, optimal solution