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May 14, 2026The Journal of the Acoustical Society of America

Applicability of the in situ measurement method using the ensemble averaging technique for sound absorption characteristics of materials with various absorption types

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Authors

TOToru OtsuruRTReiji TomikuNONoriko Okamoto

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Overview

Randomized trial demonstrates sound absorption in building materials, suggesting improved measurement techniques.

Key Points

  • The study aims to assess the sound absorption characteristics of various building materials for room acoustics simulations using the EA-method.
  • Developed the in situ EA-method for measuring sound absorption characteristics.
  • Evaluated various building materials across different environments.
  • Assessed performance based on normal impedance and absorption coefficient.
  • EA-method showed excellent robustness and reproducibility regardless of measurement locations.
  • It successfully measured sound absorption characteristics of porous, panel, and resonant materials.

Cite This Study

Otsuru et al. (2025) studied this question.

synapsesocial.com/papers/6a0566bda550a87e60a1ea2dhttps://doi.org/10.1121/10.0041180
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