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An ISM-based acoustic simulation system for performance space

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Abstract

With the maturation of computer-aided technology, many famous acoustic simulation software have appeared around the world. Researchers can use the software to evaluate the sound quality of the performance spaces. However, most popular software require high levels of professionalism for operators, and 3D model visualization is not intuitive enough. Aiming at these problems, this paper designs and implements an acoustic simulation system for performance space based on Unity 3D and C++. According to the system’s functional design, it can be divided into two modules: the model configuration module and the acoustical parameter prediction module. We develop various modeling tools in the model configuration module and use modified image source method to simulate room impulse response in the acoustical parameter prediction module. Then, acoustical parameters such as reverberation time, clarity, definition, and speech transmission index are computed. We take Hengdian theater as an example of experimental test, and compare the results with EASE simulation results and measurements. The system test shows that the acoustic simulation system has better visualization and is easier to operate. And in this case, the absolute errors of the simulation values of each acoustical parameter are almost closer to the measurements than those of EASE, which proves that the simulation values of the system in this paper are more accurate to a certain extent.

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Availability of data and materials

The datasets generated and analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This work was supported by the National Key R &D Program of China (grant number: 2018YFB1404101).

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Authors and Affiliations

  1. School of Information and Communication Engineering, Communication University of China, Beijing, 100024, China

    Chaohui Lv, Minghui Xue, Ming Yan, Yinghua Shen & Chao Xu

  2. Key Laboratory of Acoustic Visual Technology and Intelligent Control System, Ministry of Culture and Tourism, Beijing, 100024, China

    Chaohui Lv & Ming Yan

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  1. Chaohui Lv
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  2. Minghui Xue
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  3. Ming Yan
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  4. Yinghua Shen
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  5. Chao Xu
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Correspondence to Chaohui Lv.

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Lv, C., Xue, M., Yan, M. et al. An ISM-based acoustic simulation system for performance space. Multimed Tools Appl 83, 31443–31463 (2024). https://doi.org/10.1007/s11042-023-16845-1

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  • DOI: https://doi.org/10.1007/s11042-023-16845-1

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