We get and analysis the data of the reverberation, noise and acoustic pressure level of the Conference Hall and Lecture Hall in some northern university in measurement.
实测和分析了北方某大学的甲报告厅和乙会议厅的混响时间、景噪声、场级等数据。
2
The noise level of passenger car tire was measured in a reverberation laboratory.
在混响室内测试了轿车轮胎的噪声声级。
3
The reverberation time and noise level of tunnel-typed public works can be reduced by adding large amount of acoustical structure with high absorptive coefficient.