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广播电视正由模拟向数字全面过渡已成为共识,但数字系统统一标准的重要性却并不是每一个人都意识到的。列举数字系统的优点时经常提到数字系统最大的优点是可以将音频、视频和数据同时在同一个系统中传送。确实,数字系统再不应出现模拟系统中NTSC、PAL和SECAM三大制式共存、C格式和B格式录像机共存、各公司录像机各自为政的局面。但要使如此不同的业务综合到同一系统中,没有详细
It has become a consensus that radio and television are transitioning from analogue to digital fully, but the importance of the unified standard of digital systems is not something everyone is aware of. When it comes to the benefits of digital systems, it is often mentioned that the biggest advantage of digital systems is that audio, video, and data can be delivered on the same system at the same time. Indeed, the digital system should no longer appear in the analog system NTSC, PAL and SECAM three coexist, C format and B format video coexistence, the company’s VCR fragmented situation. But to make such a different business integrated into the same system, there is no detail