This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
ISO 9921:2003 specifies the requirements for the performance of speech communication for verbal alert and danger signals, information messages, and speech communication in general. Methods to predict and to assess the performance in practical applications are described and examples are given.
Status : PublishedPublication date : 2003-10
Edition : 1Number of pages : 28
Technical Committee:Ergonomics of the physical environment
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