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徐州电视台为了顺应标清电视播出向高清晰度电视播出发展的必然趋势,搭建了正奇高清播出系统。系统采用高清制作节目向现有标清系统自动下变换送播,实现了四个频道的高标清同播。为了保证信号的高质量传输和高标清的收视效果,在信号传输中的一些设备及其参数设置就起到了很关键的作用。本文主要介绍了SDI信号从播出视频服务器播出通道播出到其后经过的一些设备以及板卡的关键参数设置以及它们所实现的功能。
Xuzhou television station in order to comply with standard definition television broadcast to high definition television broadcast the inevitable trend of development, set up a very high-definition broadcast system. System uses HD production programs to the existing SD system automatically downcast delivery, the realization of the four SD high definition broadcast. In order to ensure high-quality signal transmission and high SDTV viewing, some devices and their parameters in signal transmission play a key role. This article describes the SDI signal broadcast from the broadcast video server broadcast channel to the subsequent passage of some of the equipment and board key parameter settings and their functions.