This standard specifies technical specifications for conference video systems based on time division multiplexing digital channels, using MPEG-2 source coding, and a communication rate of 2Mbit/s to 8Mbit/s. This standard applies to the network design, engineering implementation and related equipment development, production, selection, operation and maintenance of broadband video conferencing services.
GY/T 209-2005 Referenced Document
GB/T 15845.4-2003 Performance requirements of audiovisual terminals--Narrow-band audio-visual system and terminal equipment
GB/T 16858-1997 A far end camera control protocol for videoconferences using data link protocol
GB/T 17975.1-2000 Information technology-Generic coding of moving pictures and associated audio information Part 1:Systems
GB/T 17975.2-2000 Information technology-Generic coding of moving picture and associated audio information-Part 2:Video
GB/T 17975.3-2002 Information technology--Generic coding of moving pictures and associated audio information Part 3:Audio
GY/T 209-2005 history
2005GY/T 209-2005 Technical specification for broadband video conference based on time division multiplex digital channel