In the era of CRT, the largest difference between digital TV and analog TV is digital TV has digital TV decode chip, MPEG-2 decode chip and video DAC.
CRT时代，数字电视与模拟电视最大的区别是数字电视多数字电视解调芯片、MPEG - 2解码芯片和视频DAC。
In the era of flat panel TV, the difference between digital TV and analog TV is digital TV has digital TV decode chip, MPEG-2 decode chip, so video DAC is not needed.
平板电视时代，数字电视和模拟电视的差别在于数字电视多数字电视解调芯片、MPEG - 2解码芯片，视频DAC不需要了。
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