应急用声系统

[中文适用范围]： 本国际标准适用于在紧急情况下用于快速有序地动员室内或室外区域的人员的扩声和分配系统。本标准适用于使用音调信号的系统和用于紧急目的的语音通知系统。注 1 – 不排除在非危险环境下将该系统用于正常扩声和分配系统的目的。注 2：建议系统在用于紧急情况时，应成为控制紧急情况的完整设施（设备、操作程序和培训计划）的一部分。注 3 – 用于紧急情况的音响系统可能需要相关当局的批准。 [外文原描述]： Applies to sound reinforcement and distribution systems to be used to effect a rapid and orderly mobilization of occupants in an indoor and/or outdoor area affected by a hazard. Specifies the requirements for sound systems which are primarily intended to broadcast information for the protection of lives and property within a protected area when an emergency situation has occurred. Gives the characteristics and the methods of test necessary for the specification of the system.