SOUND ABSORPTION STRUCTURE

摘要

PROBLEM TO BE SOLVED: To provide a sound absorption structure which can realize preferable sound absorption performance in a wide frequency band.

SOLUTION: The sound absorption structure 30 has a first sound absorption member 31, a second sound absorption member 32 arranged at both sides of the first sound absorption member 31, and a surface protective member 33 arranged on a face of the second sound absorption member 32 opposite to the first sound absorption member 31, flow resistance of the second sound absorption member 32 is greater than flow resistance of the first sound absorption member 31.

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