Global Streams GlobeCaster STUDIO 4000, Manual, Page: 86 / 144

82 Chapter 3
Refe r en ce
Cb Waveform : Measures the relative blueness of
the picture.
Figure 3.37: The Cb Waveform Monitor,
Analyzing Color Bars
The line in the center is a zero color value (no blue;
a numeric value of 128 equals zero color). Dots
above the line represent blues in the picture. Dots
below the line represent yellows.
Cr Waveform : Measures the relative redness of the
picture.
Figure 3.38: The Cr Waveform Monitor,
Analyzing Color Bars
The line in the center is a zero color value (no red; a
numeric value of 128 equals zero color). Dots above
the line represent reds in the picture. Dots below
the line represent cyans.
0
16
128
240
255
Toward
Yellow
No
Blue
Toward
Blue
255
240
128
0
16
Toward
Red
No
Red
Toward
Cyan