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Accurate Acoustic Modeling of Small Rooms

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Modeling of sound reinforcement systems and room acoustics in large and medium-size venues has become a standard in the audio industry. However, acoustic modeling of small rooms has not yet evolved into a widely accepted concept, mainly because of the unavailable tool set. This work introduces a practical and accurate software-based approach for simulating the acoustic properties of studio rooms based on FEM. A detailed case study is presented and modeling results are compared with measurements. It is shown that results match within given uncertainties. Also, it is indicated how the simulation software can be enhanced to optimize loudspeaker locations and place absorbers and diffusers in order to improve the acoustic quality of the space and thus the listening experience.

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