Am 03.02.19 um 17:17 schrieb Carl Eugen Hoyos: > They do not look like comb artefacts as caused by interlaced > recording to me.
Thanks, here I respect your experience with video material I don't have. But these artefacts must have to do with horizontal motion, as they don't appear in "normal" scenes. >>> Definitely not interlaced (could be de-interlaced, but this doesn't >>> make much difference because of the other visual issues). >> Would you agree, that the original master recording probably >> was an analogue interlaced video tape, maybe early >> Betacam or high quality VHS camera > Wikipedia claims that there was neither Betacam nor VHS-C > in 1982 (I meant "Camcorder" when I wrote "Digital video" > which of course didn't exist), IMDB claims the movie was > released in January 1983. Yes, I've read this Wikpedia article before, but IIRC there also have been full format VHS Camcorders, I remember those monsters in those days. Betacam started in 1982: https://en.wikipedia.org/wiki/Betacam "Catch your Dreams" was produced in late autumn 1982. The first two-piece camera/VCR systems emerged around 1980: https://en.wikipedia.org/wiki/Betamovie > But I agree that the lack of celluloid artefacts does point to > television cameras and recording technology. > (Although I wonder a little if these really were cheaper than > a film camera plus film.) Maybe the author had the chance to lend the camera for nothing for a week. Another fact is, that the film was shown in normal cinemas in the 80ies in Germany. There were no beamers, so the film had to be copied to celluloid. A VHS recording may have been too bad for that, but maybe Betacam was enough. It is indeed difficult to know, if the original master was celluloid or video tape. > Wikipedia also claims that Betacam supported progressive recording. maybe optionally because these cameras anyway had a buffer memory for the special recording technique with 120 % speed. For this technique they had to save 1 line, but I suspect, if they could save a half frame. It is said, a Betacam recording could be played back on a normal Betamax VCR witch worked interlaced. -Ulf _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
