November 2007
Intermediate to advanced
736 pages
46h 32m
English
Content preview from Consumer Electronics
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HORIZONTAL RESOLUTION AND VIDEO BANDWIDTH
The horizontal resolution of a television system is the ability of the scanning system to resolve the horizontal details i.e., changes in brightness levels of elements along a horizontal scanning line. Since such changes represent vertical edges of picture detail, it follows that horizontal resolution can be expressed resolution as a measure of the ability to reproduce vertical information.
The horizontal resolution in a scanning system depends on the rate at which the scanning spot is able to change brightness level as it passes through a horizontal line across the vertical lines of resolution shown in Fig. 30.9.
Fig. 30.9 Horizontal resolution and video bandwidth requirements
In the 625 line ...
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