Martin Osmundsvåg wrote: > > Hi! > Sorry to bother you all, but I can't find good information about these > topics. > > I'm wondering if there is a framegrabber for linux capable of > resolutions as good as commercial DVR-systems? I have looked into > resolutions on different systems for PAL signal. > VHS= ca 300 lines, SVHS= ca 400 lines, DV= ca 510 lines and a Sanyo DVR= > ca 530 lines. What about the v4l framegrabbers? What chipset gives the > best resolution? > > Another topic: Is it possible for a framegrabber to capture both fields > seperately? Many of the DVR has an option to record in 25 frames or 50 > fields. Then you can have fast object moving without the "echo"from the > last field I get when grabbing with my Pinnacle PC TV (bttv-driver). > > What chipset/framegrabber could give me 530 lines of resolutions (or the > best result)? Suggestions and comments would be most appreciated. The PAL video signal always has 625 lines, about 576 of them actually being a part of the picture. bt848/bt878 chips return all of this lines ( 576 is no problem, I am not sure for higher number of lines ). -- David Balazic -------------- "Be excellent to each other." - Bill S. Preston, Esq., & "Ted" Theodore Logan - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
