论文部分内容阅读
从九月四日第四届北京国际广播电视设备展览会和九月二十一日中国国际电子贸易博览会看到北京市电子技术发展公司声像系统工程部,为有线电视台、闭路电视所研制生产的系列画中画产品:32路视频画中画、射频画中画、全屏九活动画面及卡拉OK画中画引人注目。画中画、时钟/台标循环播出插入器、单卡字幕机、三维动画系统以及为有线电视配套的视频、音频分配、切换开关、矩阵系列产品已广泛应用在有线台中心控制系统中,特别是他
From the Fourth Beijing International Broadcasting Equipment Exhibition on September 4 and the China International Electronic Commerce Fair on September 21, we have seen the sound system engineering department of Beijing Electronic Technology Development Corporation being developed and manufactured for cable television stations and closed-circuit television stations Series of picture-in-picture products: 32 video picture-in-picture, radio-frequency picture-in-picture, full screen nine moving picture and karaoke picture in picture notice. PIP, clock / logo loop broadcast inserter, single card subtitling machine, three-dimensional animation system and supporting cable for video, audio distribution, switch, matrix products have been widely used in the cable station center control system, Especially him