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This is a Experimental Study study.

October 23, 2025The Journal of the Acoustical Society of America

Tunable acoustic metamaterial using length-variable labyrinth for broadband soundproofing and ventilation

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Over 95% sound energy attenuation achieved across a frequency range of 587 to 1741 Hz, showcasing effective performance.
Investigations included theoretical analysis, numerical simulation, and experimental measurement validating tunability.
Design features a rotatable rear body to adjust labyrinthine channel lengths without changing external geometry.
Highlights the potential for reconfigurable metamaterials in applications requiring noise control and ventilation.

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Implication

Tunable acoustic metamaterial achieves over 95% sound energy attenuation across 587-1741 Hz, indicating effective soundproofing and ventilation applications.

Cite This Study

Lee et al. (2025) studied this question.

synapsesocial.com/papers/68f9f86eb2c35e10cc4e3e63 https://doi.org/10.1121/10.0039673

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Implication

Tunable acoustic metamaterial achieves over 95% sound energy attenuation across 587-1741 Hz, indicating effective soundproofing and ventilation applications.

Tunable acoustic metamaterial using length-variable labyrinth for broadband soundproofing and ventilation

Key Points

Discussion

Implication

Cite This Study

Tunable acoustic metamaterial using length-variable labyrinth for broadband soundproofing and ventilation

Key Points

Discussion

Implication

Cite This Study

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