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近两年来,彩电市场上的“数字王”、“数码电视”、“数字电视”等各种“数字”吆喝声,闹得沸沸扬扬、“晕头转向”,可谓“王婆卖瓜,自卖自夸!”笔者看来,这是众多厂商和媒体爆炒、促销(大打“技术概念”牌)的一种手段。现在,所谓的数字电视,实际上是“模拟电视+数字处理技术”,本质上依然是模拟电视,因为它接收的电视信号仍然是模拟信号,只不过是对目前模拟电视机的个别电路采用数字处理电路,改进性能、提高
In the past two years, the “digital king”, “digital television” and “digital television” on the market of color television have been making irresponsible remarks and making a big splash. It seems that this is a lot of manufacturers and the media hype, promotion (playing “technical concept” card) a means. Nowadays, the so-called digital television is actually “analog TV + digital processing technology” and is essentially analog TV because the television signal it receives is still an analog signal, only the number of the individual circuits of the current analog TV Processing circuit, improve performance, improve