Stepwise-based optimizing approaches for arrangements of loudspeaker in multi-zone sound field reproduction
This study introduces bidirectional stepwise-based algorithms designed to optimize loudspeaker array configurations for Multizone Sound Field Reproduction systems. An initial arrangement selection method based on loudspeaker magnitude enhances the optimization process. These algorithms were validate...
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| Published in | Acoustical Science and Technology p. e24.56 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
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ACOUSTICAL SOCIETY OF JAPAN
2024
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| Abstract | This study introduces bidirectional stepwise-based algorithms designed to optimize loudspeaker array configurations for Multizone Sound Field Reproduction systems. An initial arrangement selection method based on loudspeaker magnitude enhances the optimization process. These algorithms were validated using the Acoustic Contrast Control and Pressure Matching methods across free-field conditions and a comprehensive Room Impulse Response database including various room conditions. Comparative experiments against traditional unidirectional iterative strategies demonstrate that the proposed algorithms significantly outperform existing methods in terms of efficiency and effectiveness, especially in configurations with fewer loudspeakers. For example, in a small meeting room with 16 loudspeakers, the stepwise-based approaches achieved higher acoustic contrast and required substantially fewer iterations than conventional methods. Specifically, optimization efficiency improvements were about 55.2% and 77.8% in Acoustic Contrast Control and 36.7% and 68.6% in Pressure Matching, compared to conventional iteratively adding or removing approaches. |
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| AbstractList | This study introduces bidirectional stepwise-based algorithms designed to optimize loudspeaker array configurations for Multizone Sound Field Reproduction systems. An initial arrangement selection method based on loudspeaker magnitude enhances the optimization process. These algorithms were validated using the Acoustic Contrast Control and Pressure Matching methods across free-field conditions and a comprehensive Room Impulse Response database including various room conditions. Comparative experiments against traditional unidirectional iterative strategies demonstrate that the proposed algorithms significantly outperform existing methods in terms of efficiency and effectiveness, especially in configurations with fewer loudspeakers. For example, in a small meeting room with 16 loudspeakers, the stepwise-based approaches achieved higher acoustic contrast and required substantially fewer iterations than conventional methods. Specifically, optimization efficiency improvements were about 55.2% and 77.8% in Acoustic Contrast Control and 36.7% and 68.6% in Pressure Matching, compared to conventional iteratively adding or removing approaches. |
| ArticleNumber | e24.56 |
| Author | Yasueda, Kazuya Georgiadis, Anthimos Bouattour, Ghada Zhou, Tong Kataoka, Akitoshi |
| Author_xml | – sequence: 1 fullname: Zhou, Tong organization: Ryukoku University, Graduate School of Science and Technology – sequence: 2 fullname: Yasueda, Kazuya organization: Tokyo Healthcare University – sequence: 3 fullname: Bouattour, Ghada organization: Leuphana Universität Lüneburg – sequence: 4 fullname: Georgiadis, Anthimos organization: Leuphana Universität Lüneburg – sequence: 5 fullname: Kataoka, Akitoshi organization: Ryukoku University |
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| Cites_doi | 10.1109/TASLP.2022.3231715 10.1109/ICASSP.2014.6854500 10.1109/WASPAA.2015.7336920 10.1121/1.4866442 10.1109/89.748126 10.1121/10.0014958 10.1121/1.4861341 10.1121/10.0005042 10.1109/MSP.2014.2360707 10.1121/1.407330 10.1121/10.0010309 10.1121/10.0000797 10.1109/TASL.2010.2097249 10.1121/1.4798948 10.3397/IN_2023_0110 10.1109/TASLP.2020.2964958 10.1121/1.1456926 10.1121/1.4792486 10.1111/j.1365-2656.2006.01141.x 10.1121/1.4714349 10.1109/ICASSP39728.2021.9414855 10.1121/10.0025380 10.1109/TASLP.2016.2556860 10.1121/1.4799031 10.1121/1.412224 10.17743/jaes.2016.0065 |
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| SubjectTerms | acoustic contrast control loudspeaker arrangement optimization Multi-zone sound field reproduction pressure matching stepwise |
| Title | Stepwise-based optimizing approaches for arrangements of loudspeaker in multi-zone sound field reproduction |
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