英语翻译摘要：文章从天津电大现有的模拟演播室的不足出发,结合当前电视演播室技术的发展,总结了演播室数字化及数字电视制作设

This article begins with the problems with the existing analog broadcasting studio in Tianjin TV College, and then combines current advancement in broadcasting studio technology. Finally, it summarizes the features and advantages of broadcasting studio digitalization and digital production equipment. It also provides us with a plan to restructure and update the broadcasting studio to digital grade.
Key words: broadcasting studio system; analog; standard definition digital (signal); high definition digital (signal);
演播室数字化升级改造的设想
Plan for broadcasting studio digital upgrading