512
11.5. CGMS-A/ID-1
11.5.1. Description and specifications
■
What is CGMS-A (Copy Generation Management System)?
CGMS-A is a system of multiplexing the copy control information in the vertical sync blanking intervals, and sending
it.
What is ID-1?
ID-1 is a system of multiplexing the aspect ratio information in the vertical sync blanking intervals, and sending it.
• NTSC, NTSC-M, NTSC-443
• PAL-60, PAL-M
CGMS-A and ID-1 are superimposed onto line 20 (first field) and line 283 (second field). The CGMS-A and ID-1
waveform consists of the reference bit and 20-bit data. This waveform and the bit allocation are shown below.
・
Bit1-0 : Aspect (ID-1)
Bit
Applications
1
2
Aspect ratio
Picture display format
0
0
4:3
Normal
1
0
16:9
Normal
0
1
4:3
Letter Box
1
1
Not Defined
・
Bit6-
2: Fixed at “0000”
70IRE±10IRE
0IRE
11.2us±0.3us
2.235us±50ns
Reference
1 2 3 4 … 20
Bit no
49.1us±0.44us
Line 20/283
CGMS-A / ID-1
Summary of Contents for VG-876
Page 1: ...Video Signal Generator VG 876 Instruction Manual Ver 3 40 ...
Page 2: ......
Page 30: ...16 ...
Page 57: ...Chapter 3 TIMING DATA SETTINGS 43 ...
Page 103: ...Chapter 4 PATTERN SETTINGS 89 1 2 3 4 5 6 0 ...
Page 134: ...120 GUI Display Selected port ...
Page 135: ...Chapter 4 PATTERN SETTINGS 121 HEX Display Selected port ...
Page 143: ...Chapter 4 PATTERN SETTINGS 129 ...
Page 177: ...Chapter 6 HDCP SETTINGS AND EXECUTION 163 ...
Page 205: ...Chapter 7 VG 876 SYSTEM SETTINGS 191 ...
Page 223: ...Chapter 8 DATA COPYING ERASING 209 ...
Page 237: ...Chapter 9 USEFUL FUNCTIONS 223 ...
Page 336: ...322 10 5 3 Data transfer method Normal MODE 2Lane output ...
Page 338: ...324 Normal MODE 4Lane output ...
Page 376: ...362 Assignment of each lane ...
Page 378: ...364 Assignment of each lane Lane 1 4 Lane 9 12 Lane 5 8 Lane 13 16 ...
Page 380: ...366 Assignment of each lane Lane1 4 Lane9 12 Lane5 8 Lane 13 16 ...
Page 382: ...368 Assignment of each lane Lane1 8 Lane9 16 ...
Page 384: ...370 Assignment of each lane Lane1 8 Lane9 16 ...
Page 386: ...372 Assignment of each lane Lane1 8 Lane9 16 ...
Page 388: ...374 Assignment of each lane Lane1 4 Lane9 12 Lane5 8 Lane 13 16 ...
Page 390: ...376 Assignment of each lane Lane1 4 Lane9 12 Lane5 8 Lane 13 16 ...
Page 392: ...378 Assignment of each lane Lane1 16 ...
Page 453: ...Chapter 10 INTERFACE SETTINGS 439 Connection figure of VM 1876 MX s ...
Page 464: ...450 Reverse Mode Top Bottom Reverse Mode LR TB ...
Page 466: ...452 Reverse Mode Top Bottom Reverse Mode LR TB ...
Page 468: ...454 Reverse Mode Top Bottom Reverse Mode LR TB ...
Page 495: ...Chapter 10 INTERFACE SETTINGS 481 2 When Video Width is 8 bit ...
Page 496: ...482 3 When Video Width is 10 bit ...
Page 501: ...Chapter 10 INTERFACE SETTINGS 487 2 When iTMDS output ...
Page 504: ......
Page 538: ...524 ...