I had fun making an effect that looks like one of the very earliest home VTRs, notably AVCO's Cartrivision from the early 1970s, integrated into many large console TVs, mainly from Sears, among others. Until the advent of azimuth recording used on Beta and VHS, to reduce tape consumption, it used a "skip-field" system which records one out of every three fields (scanner disc has three heads, head #1 records or plays, while the other two only play), which the machine then plays three times on playback. The motion effect is... shall we say... strange. In any event, it allowed about 112 minutes' worth of recording on about 2000' of 1/2" video tape running at about 3 3/4 IPS (9.5cm/s).
To do this, I have to use two instances of the filter:
- First for the "Skip frame" effect - For it to mimic the effect properly, you need either 59.94 or 60 FPS. Set it to skip two frames.
- Second for the "Interlace" effect - So it actually emulates NTSC scanning properly.
- BONUS ROUND: Add any number of any other effects, such as VHS, CRT, Analog Glitch, NTSC, etc.
Also, I'd like to nitpick a little about the "tape wrinkle" part of the VHS effect. VHS, Beta, U-Matic and many other video scanners rotate in the same direction as tape travel, so the the wrinkle artifacts should travel downward. Other VTRs, such as Cartrivision, EIAJ, Sony CV-series and 1" Type A and C VTRs' video scanners rotate in the opposite direction of tape travel, so the the artifacts should travel upward.
Anyway, thanks for putting this plugin out!
--Katt. =^.^=
