Recent trends and perspectives on the use and characterization of acoustic materials

Ana M. Jaramillo; Daniel H. Robinson; Arthur W. van der Harten; Anne Heimes; Michael Vorlaender

doi:10.1121/10.0040222

October 1, 2025The Journal of the Acoustical Society of America

Recent trends and perspectives on the use and characterization of acoustic materials

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Key Points

This research aims to improve the understanding of acoustic absorption measurements and their applicability in practical scenarios.
Analyzed measurement procedures in reverberation chambers according to ASTM C423 and ISO 354 standards.
Examined the impact of various factors such as sample shape, arrangement, and test conditions on absorption coefficients.
Presented computational approaches to ascertain absorption data of different baffle configurations.
Identified significant deviations in absorption coefficient results due to mounting conditions and sample geometry.
Highlighted challenges connecting random incidence coefficients with normal incidence values, supporting the need for standardized testing procedures.
Presented computational findings that offer improved insights into absorption and scattering characteristics under varying sound incidence angles.

Implication

Explores the effectiveness of computational approaches on acoustic absorption data in baffle configurations, suggesting new insights for practical applications.

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Cite This Study

Jaramillo et al. (2025) studied this question.

synapsesocial.com/papers/6a0567a8a550a87e60a1fc82 https://doi.org/10.1121/10.0040222

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Recent trends and perspectives on the use and characterization of acoustic materials

Key Points

Implication

Discussion

Cite This Study

Recent trends and perspectives on the use and characterization of acoustic materials

Key Points

Implication

Discussion

Cite This Study

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