Appendix B Default Patterns List
B-27
This pattern is the SMPTE Color Bar for PC.
The biggest different is that it added 7.5IRE and
brightness offset for –I, +Q colors so that a
common PC can output these two colors.
This pattern is a composite TV test screen often
used by TV stations to test the color,
brightness, aspect ratio, over scan, and
frequency response, etc.
This pattern is a frequently used composite TV
test screen to test the aspect ratio, over scan,
and resolution, etc.
This pattern is composed of 6 sine waves of
different frequencies to test the frequency
response of TV. The NTSC system sine wave
frequencies are 0.5M, 1.25M, 2M, 3M, 3.58M
and 4.2M Hz. The PAL system sine wave
frequencies are 0.5M, 1M, 2M, 3M, 4.43M and
5.8M Hz.
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