TIMESTAMPS:
00:00 Introduction
01:43 Aspect ratio demos
03:29 Theory (signal contents)
06:27 Helper signal
07:22 Camera mode
07:54 Film mode
10:28 ColourPlus
12:49 Extra signals (Wide screen signalling / ghost cancellation reference)
14:14 The decline of PALplus
16:06 Inside the PALplus decoder
21:04 Conclusion
Referenced videos:
16mm telecine process: https://www.youtube.com/watch?v=O7m3CfxR6bI
Demonstration: Lining Up Outside Broadcast Cameras: https://www.youtube.com/watch?v=Atu9WC8wOh8
Other links: https://en.wikipedia.org/wiki/PALplus
PALplus spec: https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.1197-1-199802-W!!PDF-E.pdf
