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Chapter 5
Working with Formats
Frame rate examples (half the field rate with interlace scanning)
•
48 for 48 Hz
•
60 for 60 Hz
•
75 for 75 Hz
Aperture (used only when the aperture is not A)
Common computer display formats
•
VSC1275 for Viewsonic 1280 by 1024 at 75 Hz
•
DMT0685 for Discrete Monitor Timing with 680 by 480 at 85 Hz
Aperture designators
Format names may include one or two characters that describe the aperture of the display.
These are listed below.
Aspect ratio
•
Q = 1.00:1 Quadrate - MIL, Radiology (square, 512x512, 1024x1024)
•
G = 1.25:1 Graphics workstation (5x4, 1280x1024, 1600x1280)
•
A = 1.33:1 Academy (4x3, 640x480, 800x600, 1024x768, 1280x960, 1600x1200)
•
B = 1.44:1 Big (13x9, IMAX™)
•
T = 1.50:1 Three halves (3x2, 1152x768 Apple Computer)
•
V = 1.56:1 PALplus WWS case #2 (14x9, see ITU-R BT.1119)
•
D = 1.60:1 VESA CVT proposed (16x10, 1728x1080, 1280x800)
•
E = 1.67:1 European film (15x9 or 5x3, 1200x720, 1280x768, 1800x1080, a.k.a. “1.66”)
•
H = 1.78:1 High-definition image (16x9, 1280x720,1920x1080)
•
F = 1.85:1 US film (320x173, 1280x692, 1920x1038)
•
U = 2.00:1 Univisum™ (2x1, 1280x640, 1920x960)
•
C = 2.39:1 CinemaScope™ (160x67, 1280x536, 1920x804, a.k.a. “2.35”, was 2.35
before 1971)
Content fitting operators
•
N = Natural (do nothing)
•
L = Letterbox (linear scale to fit one axis, center w/black bars in other)
•
Z = Zoom (blow- up to fill destination aperture with cropping, or LI )
Summary of Contents for 881
Page 1: ...881 882 Video Test Instrument User Guide 882E for HDMI ...
Page 12: ...10 Contents ...
Page 50: ...38 Chapter 1 Getting Started ...
Page 84: ...72 Chapter 2 Testing Video Displays ...
Page 99: ...882 Video Test Instrument User Guide Rev A 35 87 ...
Page 102: ...90 Chapter 3 Administrative Tasks ...
Page 107: ...882 Video Test Instrument User Guide Rev A 35 95 ...
Page 216: ...204 Chapter 5 Working with Formats ...
Page 248: ...236 Chapter 7 Working with Images ...
Page 264: ...252 Chapter 8 Working with Test Sequences ...
Page 382: ...40 Chapter 11 Testing EDID for HDMI 2 Expand the EDID Block in the navigation view ...
Page 446: ...104 Chapter 12 CEC Interactive Troubleshooting Environment ITE ...
Page 493: ...882 Video Test Instrument User Guide Rev A 35 151 ...
Page 591: ...882 Video Test Instrument User Guide Rev A 35 213 Commands by name ...
Page 687: ...882 Video Test Instrument User Guide Rev A 35 309 Example DVIC 23 FMTU ...
Page 1018: ...580 Appendix B Image Reference The EMITest5 image is shown below ...
Page 1094: ...656 Appendix B Image Reference ...
Page 1124: ...686 Appendix C Error Messages ...
Page 1140: ...702 Appendix D Format Reference ...