用于节目制作的先进声音系统
Advanced sound system for programme production
2023-05-23
IEC 61329-1995
Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production)
声音系统设备 - 测量和指定声音器性能的方法（用于音调制作的电声转换器）