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本国际标准规定了在信号接收区内,尤其有强烈环境噪声的条件下,识别声音危险信号的规范。1.范围和适用场合本国际标准规定了对听觉信号的安全要求和相应的实验方法,给出了设计信号的准
This International Standard specifies specifications for the identification of sound hazard signals in the signal receiving area, especially in the presence of strong ambient noise. 1. Scope and applicable situations This international standard specifies the safety requirements of auditory signals and the corresponding experimental methods, given the design of the signal quasi