DIN 15905-5-1989 剧场和多功能厅的声学技术.第5部分:避免扩音器的放音由于高声压级造成听众听觉损害的措施
Accoustics in theatres and multipurpose halls; measures to avoid impairing the audience's hearing by high sound-pressure levels from loudspeaker reproduction
This standard specifies methods for the determination of the rating level for noise immission at specified positions in theatres, multi-purpose halls and concerthalls in view of an impairment of the audience's hearing by loudspeaker systems used for sound productions of any kind.#,,#