Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GY/T 279-2014 Technical requirements and measurement methods of standard definition direct broadcasting satellite set top box with conditional access,location lock function and digital terrestrial television broadcasting reception function via email in business day valid
GY/T 28-1984 Satellite broadcasting picture quality requirements $264.00 via email in 1~3 business day abolished
GY/T 280-2014 Specifications of interface data for transmitting station operation management system via email in business day valid
GY/T 281-2014 An extended file format for audio MBWF/RF64 via email in business day valid
GY/T 282-2014 Technical requirements for the average loudness and true-peak audio level of digital television programmes via email in business day valid
GY/T 283-2014 Specification of aspect ratio conversion for HDTV/SDTV hybrid production and broadcasting via email in business day valid
GY/T 284-2014 Technical requirements and measurement methods for HDTV video monitors in program production and broadcasting $900.00 via email in 1~5 business day valid
GY/T 285-2014 Measurement methods of audio characteristics for digital audio equipment via email in business day valid
GY/T 286-2014 Technical requirements for codecs for transmission of digital television signals through contribution,primary distribution and SNG networks via email in business day valid
GY/T 287-2014 Technical requirements for codecs for emission and secondary distribution systems for digital television signals $105.00 via email in 1~3 business day superseded
GY/T 287-2024 Technical requirements for codecs for emission and secondary distribution for digitatelevision signals $105.00 via email in 1~3 business day valid
GY/T 289-2015 The architecture of NGB smart hybrid terminal for CATV network $520.00 via email in 1~3 business day valid
GY/T 290-2015 Specification of code for data communication interface of radio and television transmitter $374.00 via email in 1~3 business day valid
GY/T 291-2015 Operation and maintenance regulations of radio for broadcasting center system $650.00 via email in 1~5 business day valid
GY/T 292.1-2015 via email in business day valid
GY/T 292.2-2015 via email in business day valid
GY/T 293.1-2015 via email in business day valid
GY/T 293.2-2015 via email in business day valid
GY/T 294-2015 via email in business day valid
GY/T 295-2015 Technical requirements and measurement methods of professional camera for HDTV $284.00 via email in 1~3 business day valid
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