演出场所扩声系统的声学特性指标
Acoustic performance indicators of sound reinforcement system in theatrical performance venues
2003-07-23
BS 6840-17-1991
Sound system equipment-Methods for specifying and measuring the characteristics of standard volume indicators
音响系统设备 标准体积指示器特性的规定和测量方法
1991-04-30
IEC 60268-24-2023
Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics
音响系统设备.第24部分:耳机和耳机.有源声学噪声消除特性
2023-11-30
IEC TS 61400-11-2-2024
Wind energy generation systems - Part 11-2: Acoustic noise measurement techniques - Measurement of wind turbine sound characteristics in receptor position
风能发电系统 第11-2部分:噪声测量技术 受器位置风力涡轮机声音特性的测量