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(上接第 17期 )1 交互式电视对网络带宽的要求(1)网络带宽的基本估算交互式电视频道的传输质量取决于它本身能提供的比特率和对其所要求的比特率。在交互式数字电视系统中 ,从视频服务器至用户终端的网络通道 ,可根椐所传输数字电视节目的数码率和节目的套数来确定网络带宽的
(On the next 17) 1 interactive television network bandwidth requirements (1) a basic estimate of the network bandwidth The quality of interactive television channel transmission depends on its own to provide the bit rate and the required bit rate. In the interactive digital television system, the network channel from the video server to the user terminal can determine the network bandwidth according to the digital rate of the digital television program transmitted and the number of programs