On Thu, 2001-12-13 at 19:20, Nemosoft Unv. wrote: > > No, that's not the problem. If you are recording at 100x100 you are recording 10,000 pixels, no more. <-- you mis-interpretted here. even recording at resolutions of ~100x~100, i get dropped framerates. > > What you are probably suffering from is jitter and noise: the signal from a > VCR is a lot less stable than the average broadcast, either analog or > digital. So, instead of a nice and steady horizontal and vertical pulses, > your TV card has to deal with badly defined pulse levels, and pulse > widths/intervals that differ from one line to another. Most cards have a > computerized PLL (Phased Locked Loop) that can't deal with this (TVs > usually do better). yup. > > You mention it's an old tape, which makes matters worse. You probably have > 'drag' at the top of bottom of the image (a few skewed lines), which will > almost certainly trash your vertical sync. > double yupper ;-) > > so the variance in quality of recording between a vhs tape & DSS/Cable > > box is drastic. i think the quality of the vhs tape also has allot to > > do with it because as a tape gets older, there tends to be more abnormal > > colors on playback (greens, fuzz, etc)...also, maybe becuase it was > > recorded by a unsteady hand using a one of those vhs cam > > recorders(?)...as such, instead of people just moving, you get the whole > > image canvas also moving becuase of the 'unsteady hand' when recording. > > Again, the problem lies not in the amount of change in the picture [*], but > everything with a crappy handycam, and probably a low quality video8 to > VHS tape-over (there aren't many VHS camcorders out there...). well. specifics are unknown on the recording method...but it probabely was some sort of handy cam. > As for a solution: I don't think there's a lot you can do on the computer > side... Cleaning the VCR, winding the tape back and forth once so it sits > nicely on the reels might help. The trick is to get as stable (in > electronic sense) a picture as possible. nah. it's too bad. we aren't talking 1 or 2 dropped frames...lol. we're talking like... allot! lol Farrell who also replied to this thread pretty much had the solution. eh, and i was going to go out and grab a better video capture card, becuase i thought THAT was the problem...guess not. ..or maybe. mmm. > > - Nemosoft >
