Renovation of the reverberation room at Ocean University of China based on ODEON simulation

Liheng  Shi; Ju  Lin

doi:10.59400/sv1680

Renovation of the reverberation room at Ocean University of China based on ODEON simulation

Liheng Shi Faculty of Information Science and Engineering, Ocean University of China, Qingdao 266100, China
Ju Lin Faculty of Information Science and Engineering, Ocean University of China, Qingdao 266100, China

Ariticle ID: 1680

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DOI: https://doi.org/10.59400/sv1680

Keywords: reverberation room; ODEON; simulation; diffuser; reverberation time

Abstract

The reverberation room is a crucial laboratory for determining the sound absorption properties of materials. The reverberation room at the Laoshan Campus of Ocean University of China lacks complete acoustic design. Using computer-aided simulations, defects in the sound field can be clearly revealed and the design proposals’ effectiveness can be pre-validated. This study focuses on renovating the reverberation room by conducting acoustic performance tests and constructing a three-dimensional model. Leveraging the advantages of ODEON for simulating sound fields, it analyzes the uniformity of sound field diffusion, considering not only reverberation time distribution but also linear decay curves and deviations in sound pressure level distribution. Subsequently, the room undergoes simulated renovation in accordance with national standards of China and international standards, and diffusion body design schemes, including semi-cylindrical and semi-conical hard wall diffusers and suspended plexiglass diffusers, are compared through simulations to arrive at the final optimized renovation plan. The simulations show that the deviation in sound field uniformity can be reduced to less than 1.5 dB after renovation, and the reverberation time is also significantly extended. These findings can inform the actual renovation of the Laoshan Campus reverberation room and serve as a reference for other reverberation room renovations and indoor acoustic simulations.

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Published

2024-11-15

How to Cite

Shi, L., & Lin, J. (2024). Renovation of the reverberation room at Ocean University of China based on ODEON simulation. Sound & Vibration, 59(1), 1680. https://doi.org/10.59400/sv1680

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