| 摘要 |
PROBLEM TO BE SOLVED: To provide a device which can measure acoustic properties of a structure efficiently in a simple configuration.SOLUTION: An open hole 1a is dug in a hollow structure 1, the open hole 1a is covered with a thin film tape 4, a predetermined sound is fed into the structure 1 from an external speaker 8 through the thin film tape 4, the fed sound is received with a microphone 2 provided inside the structure 1, and analysis is performed with an acoustic measurement unit 10. |
