摘要
数字电视信号与模拟电视信号相比较,信号传输时不会产生邻频干扰,图像和伴音质量能够达到标清或高清水平,有利于网络电视台多频道信号传输设备的集成。校园网络电视台一般只有一个频道,信号传输设备可以采用简易方式集成,IP网络和HFC网络还能同时传输电视信号。
Digital TV signal and analog TV signals compared to the signal transmission will not produce adjacent channel interference,pictures and associated audio quality,can achieve the level of standard definition or high definition,is conducive to the network of multichannel television signal transmission equipment integration.Campus network TV in general is only one channel,the signal transmission equipment can be used easy way to an integrated,IP network and the HFC network can also transmit television signals.
出处
《电脑知识与技术》
2010年第4X期3203-3204,3207,共3页
Computer Knowledge and Technology
关键词
网络电视
数字信号
传输设备
简易集成
network TV
digital signal
transmission facility
easy integration
