论文部分内容阅读
CCMT中期会议于80年9月30日到10月17日召开,同时举行的还有CCIR第10组第11组的中期会议,讨论关于数字电视方面,第11组的D组和CMTT的AN组以及CCITT的第18组都有数字电视的研究课题,但各有侧重。由CCITT第18组末期会议(80年4月8—17日)送到CCIR秘书处的文件CMTT/106、107、108、109、110,来看,数字电视作为数字网(传输、复接、交换)这方面工作还刚刚开始,白色文件和形成的建议是不多的主要还是数字电话方面居多。CCITT对数字电视侧重于数字信息通过传偷后进入复接器交换器时的传输标准,如G721,其中还包括故障告警指示,以及各种广播电视,以不同的基带信号所进行的
The mid-term CCMT meeting took place from September 30 to October 17, 1980, along with the mid-term meeting of Group 11, CCIR Group 10, to discuss group D of Group 11 and group AN of the CMTT on digital television As well as CCITT’s 18th group have the subject of digital television research, but each has its own focus. Documents CMTT / 106, 107, 108, 109, 110 sent to the CCIR secretariat by the last part of the 18th session of the CCITT (April 8-17, 1980) show that digital television as a digital network (transmission, multiplexing, Exchange) work has just begun in this area, the white paper and the formation of the proposal is not much of the main or the majority of digital phones. CCITT focuses on the transmission standards when digital information enters the multiplexer switch through digital transmission, such as G721, which also includes the failure alarm indication, and various broadcast and television signals with different baseband signals