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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Camcorder has problem outputting to computer but not to tv....???
I have 2 8mm camcorders. On output to a computer when using one of the
camcorders, I observe a mild, grainy, flickery horizontal waviness (more so than just the fact that it's just a less than broadcast image) that comes and goes when outputting to the computer. However, it looks perfectly fine going to a TV. The other camcorder doesn't have this problem. In both cases, using the same cable, which is fitting tightly on both the cam and capture card. The only variable is the cam. Any ideas as to why there would be a problem outputting to a computer and not a tv? And why one and not the other? FWIW, the problem cam is an RCA Pro 8, the other is a Sony Handycam CCD-FX630. |
#2
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The good cam output format is probably NTSC, while the bad one is PAL or
some other format. The TV may not care, but your card does. See if you can set the capture card's variables to accept different formats. JR Doc wrote: I have 2 8mm camcorders. On output to a computer when using one of the camcorders, I observe a mild, grainy, flickery horizontal waviness (more so than just the fact that it's just a less than broadcast image) that comes and goes when outputting to the computer. However, it looks perfectly fine going to a TV. The other camcorder doesn't have this problem. In both cases, using the same cable, which is fitting tightly on both the cam and capture card. The only variable is the cam. Any ideas as to why there would be a problem outputting to a computer and not a tv? And why one and not the other? FWIW, the problem cam is an RCA Pro 8, the other is a Sony Handycam CCD-FX630. -- -------------------------------------------------------------- Home Page: http://www.seanet.com/~jasonrnorth |
#3
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Doc wrote:
I have 2 8mm camcorders. On output to a computer when using one of the camcorders, I observe a mild, grainy, flickery horizontal waviness (more so than just the fact that it's just a less than broadcast image) that comes and goes when outputting to the computer. However, it looks perfectly fine going to a TV. The other camcorder doesn't have this problem. In both cases, using the same cable, which is fitting tightly on both the cam and capture card. The only variable is the cam. Any ideas as to why there would be a problem outputting to a computer and not a tv? And why one and not the other? FWIW, the problem cam is an RCA Pro 8, the other is a Sony Handycam CCD-FX630. It may be an impedance mismatch, the one with the problem may not like driving a 75 ohm input on the capture card. -- Luhan Monat: luhanis(at)yahoo(dot)com http://members.cox.net/berniekm "Any sufficiently advanced magick is indistinguishable from technology." |
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