
Ergonomics - Accessible Design - Sound Pressure Levels of Spoken Announcements for Products and Public Address Systems (iso 24504:2014)
出版:National Standards Authority of Ireland

專家解讀視頻
Defines methods to determine an appropriate sound pressure level range for spoken announcements in environments where ambient noise is less than 80 dB.
EN ISO 24504:2016 - Identical
ISO 24504 : 2014 - Identical
EN ISO 24504 : 2016 - Identical