GB/T 16851-1997
AbolishedSound systems for emergency purposes
应急声系统
Application Summary AI generated
This standard specifies the technical requirements and test methods for sound systems designed for emergency purposes, such as evacuation alerts and public address in emergencies. It is applied in the design, installation, and verification of voice alarm systems in buildings, public venues, and transportation hubs in China. The standard ensures intelligibility, reliability, and performance under emergency conditions, guiding both engineering and procurement for safety-critical audio systems.
Related Standards
GB/T 19263-2003
Technical specification of transport of MPEG-2 signals in SDH network
GB/T 15845.4-2003
Performance requirements of audiovisual terminals--Narrow-band audio visual system and terminal equipment
GB/T 18472-2001
Test signals for digitally encoded colour television system
GB/T 12199-2000
Environmental testing requirements and methods for non-broadcast video tape recorders
GB/T 12841-2000
Generic specification for the transportmechanism of cassette tape recorders
GB/T 18123-2000
Audio，video and audiovisual systems--Application of Y/C connector and preferred electrical matching values for video systems
GB/T 18122-2000
Audio visual equipment and systems--Rating plates--Marking of electricity supply
GB/T 18121-2000
Audio visual，video and television equipment and systems--Video tape leader and trailer for education and training applications
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.