A simple comparison of SD and HD digital TV
First of all, the production cost of high-definition television is higher than that of standard-definition programming. Therefore, the source of the program will be a big bottleneck for high-definition television, and the available program content is limited. However, in terms of color reproduction, high-definition television programs are better than standard-definition television programs, and the details that can be expressed are more abundant; and in the current shooting of the high-definition television festival, the lighting and lighting are required to be increased, and makeup and clothing are particularly detailed. The stability of the composition, focus and push-pull movement will be clearly seen in the lens if you are not careful, and it will cause defects in high-definition TV programs; in addition, in its post-production process, except for the same production as standard-definition programs Outside of the link, color grading is an indispensable step for high-definition programs. Only through color grading can the expression of high-definition programs be closer to movies.
Secondly, because the effective pixels of high definition 1920X 1080i (information) is five times that of standard definition. That is to say, in the case of the same viewing effect, the screen area of ​​high-definition TV is 5 times that of standard definition. Therefore, high-definition digital TV programs are more suitable for viewing on a large screen.
The following is a simple comparison table between SD and HD digital TV:
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