Though there are 720 active samples during each line in both TV
standards, there are 6 more blanking samples per line in 625.
Opinions vary between implementations as to whether the
reference point for the field is the start of vertical blanking or the
change in state of the field bit. This sometimes leads to problems.
525
F1
1
EC
B6
4
AB
Start V blanking
Change Field Bit
9D
10-20
80
End V blanking
263
B6
264
AB
F1
266
EC
Start V blanking
Change Field Bit
DA
273-283
C7
End V blanking
Field 1
Field 2
525 Line Number
Start Active Video
End Active Video
623
F1
624
EC
B6
1
AB
9D
23
80
310
B6
311
AB
F1
313
EC
DA
336
C7
625 Line Number
Start Active Video
End Active Video
The CCIR 601 Video Format
File Formats
Diskus Technical Guide
12-8
Appendix
9100-0217-02 - SEP 95
Summary of Contents for Diskus
Page 1: ...Diskus Digital Disk Recorder Manual ...
Page 477: ...NOTES Diskus Operations Index 9100 0217 02 SEP 95 Index xvii ...
Page 478: ...NOTES Index Diskus Operations xviii Index 9100 0217 02 SEP 95 ...
Page 479: ...NOTES Diskus Operations Index 9100 0217 02 SEP 95 Index xix ...
Page 480: ...NOTES Index Diskus Operations xx Index 9100 0217 02 SEP 95 ...