GB/T 28047-2011
ActiveMethod of listening evaluation of sound reinforcement of auditorium gymnasium and stadium
厅堂、体育场馆扩声系统听音评价方法
Application Summary AI generated
This standard specifies a method for subjectively evaluating the sound quality of sound reinforcement systems in auditoriums, gymnasiums, and stadiums. It is applied during system commissioning, acceptance testing, and periodic maintenance to assess clarity, naturalness, and overall listening experience. The standard is used by acoustic engineers, venue operators, and quality inspectors to ensure the audio system meets performance requirements for speech and music in large public venues.
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.