论文部分内容阅读
人们需求的提高对电视播出的要求也越来越高。电视播出系统是电视台内外信号汇集的中枢,整个电视播出系统负责向用户输送电视节目。在这个过程中,信号的好坏直接关系到电视节目的质量,同时也关系到电视节目在人们心中的形象。随着视频压缩技术以及计算机的发展,电视节目有原来的单频道手动播出的方式向多频道播出方式发展。作为电视台的一个重要业务,多频道电视播出受到广大人民的关注,因此要确保电视节目的正常播出就要对电视播出的安全故障就行排查并且解决。
People’s demand for television broadcast on the higher and higher requirements. TV broadcast system is the hub of television signals collected inside and outside, the entire television broadcast system is responsible for transmitting television programs to users. In this process, the signal quality is directly related to the quality of the television program, but also relates to the television program in the hearts of people’s image. With the development of video compression technology and computer, the original single-channel television program has been broadcast to multi-channel broadcast mode. As an important business of television stations, multi-channel television broadcasts have aroused the concern of the majority of the people. Therefore, to ensure the normal broadcast of television programs, it is necessary to investigate and solve the safety problems of television broadcast.