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6.5 CGMS-A/ID-1
6.5.1 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.
■
CGMS-A/ID-1 specifications
CGMS-A/ID-1 supports the following TV signals.
CGMS-A/ID-1 is superimposed onto the composite signals and Y/C signals.
・
NTSC, NTSC-M, NTSC-443
・
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.
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
・
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”
Summary of Contents for VG-884
Page 1: ...Portable Video Signal Generator VG 884 Instruction Manual Ver 1 00 ...
Page 2: ......
Page 3: ...Portable Video Signal Generator VG 884 Instruction Manual 2012 7 Ver 1 00 ASTRODESIGN Inc ...
Page 4: ......
Page 16: ...xii ...
Page 26: ...10 ...
Page 58: ...42 ...
Page 93: ...Chapter 4 Selecting and Editing Pattern Data 77 ...
Page 96: ...80 ...
Page 99: ...Chapter 4 Selecting and Editing Pattern Data 83 12BIT 0 4095 ...
Page 108: ...92 0 1 2 3 4 5 6 ...
Page 147: ...Chapter 5 Output Settings 131 MENU Display returns to the initial screen ...
Page 161: ...Chapter 5 Output Settings 145 3 4Kx2K 24Hz SMPTE ...
Page 164: ...148 9 16 9 4 3 center ...
Page 166: ...150 3 AdobeYCC601 4 AdobeRGB ...
Page 170: ...154 6 176 4kHz 7 192kHz ...
Page 177: ...Chapter 5 Output Settings 161 2 12bit ...
Page 183: ...Chapter 5 Output Settings 167 1 Advance Cipher Enhanced Link Verification is not supported ...
Page 206: ...190 9 16 9 4 3 center ...
Page 208: ...192 3 AdobeYCC601 4 AdobeRGB ...
Page 211: ...Chapter 5 Output Settings 195 7 192kHz ...
Page 228: ...212 ...
Page 246: ...230 Teletext waveforms ...
Page 270: ...254 ...
Page 290: ...274 Select EXECUTE using or INC DEC and then press SET to erase the user characters ...
Page 304: ...288 ...
Page 351: ...Carter10 Internal data 335 ...
Page 354: ...338 F0H letters me 1 F1H letters me 2 VESA specifications ...
Page 355: ...Carter10 Internal data 339 ...
Page 356: ...340 F2H Chinese character AI F3H Chinese character BI ...
Page 357: ...Carter10 Internal data 341 ...
Page 358: ...342 F4H Chinese character TAKA F5H Chinese character KIRI ...
Page 359: ...Carter10 Internal data 343 ...
Page 360: ...344 F6H Chinese character KEN F7H Burst ...
Page 361: ...Carter10 Internal data 345 ...
Page 362: ...346 10 4 Character pattern data 5 7 character pattern table 1 of 2 ...
Page 363: ...Carter10 Internal data 347 ...
Page 364: ...348 5 7 character pattern table 2 of 2 ...
Page 365: ...Carter10 Internal data 349 7 9 character pattern table 1 of 2 ...
Page 366: ...350 ...
Page 368: ...352 ...
Page 369: ...Carter10 Internal data 353 16 16 character pattern table 1 of 4 ...
Page 370: ...354 ...
Page 371: ...Carter10 Internal data 355 16 16 character pattern table 2 of 4 ...
Page 372: ...356 ...
Page 373: ...Carter10 Internal data 357 16 16 character pattern table 3 of 4 ...
Page 374: ...358 ...
Page 375: ...Carter10 Internal data 359 16 16 character pattern table 4 of 4 ...
Page 376: ...360 ...
Page 379: ...Chapter10 Internal data 363 Table of TV standard signal timing waveforms 1 of 3 ...
Page 380: ...364 Table of TV standard signal timing waveforms 2 of 3 ...
Page 381: ...Chapter10 Internal data 365 Table of TV standard signal timing waveforms 3 of 3 ...
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