Hi,
a Few notes about the testing.
The PNG images are true 1:1 representations of the 4:2:0 capture.
Charts come from
TVblink.com "test suite" and are played back using consumer DVD player. Both pose limitations to the actual testing as we can see. DVD suffers from MPEG2 artifacts which are amplified by the decoder in my DVD player. I've added "pure" versions of the screens decoded with DGMPGDec's "IEEE-1180 reference" iDCT algorithm + resolution chart with exaggerated luma;
http://www.siluriformes.net/doom9/DVD_Bleed.png
http://www.siluriformes.net/doom9/DVD_Resolution.png
http://www.siluriformes.net/doom9/DV...tion_lines.png
http://www.siluriformes.net/doom9/DV...ution_luma.png
About the smearing, this test was purely about comb filter, composite -> Y/C separation. When feeding with Y/C signal 1T-TBC works as expected. Altho it *does* add unwanted distortions to the image atleast with high proc amp settings like I've shortly described before.
PDI might be a bit too sharp. But I've compared it a lot with software decoded DVDs Vs captured ones and it doesn't add much ringing of it's own IMHO. What we're seeing here propably is due to DVD player/composite related. I just ordered Blackmagic Decklink Studio (found one slightly used for a good price) which should give a good reference to this all. It can output very decent test images and I really hope it can capture them well too
. I didn't choose the ATI route that's often suggested here because I need all the inputs+outs up to component and SDI with balanced audio. If it doesn't play with my other gear / software I'll try AJA cards next. Painfully expensive.. but other options aren't much cheaper.
TBC-1000 with dist.amp. stripped should work quite like TBC-100 because it is one
The circuit board inside is a PCI card with PC style 12+5V molex connecter and has "TBC-100" printed on it.
Be warned, if someone reading this tries to connect his 12+5V power to stripped TBC-100 board, things might go wrong. It's missing a voltage regulator (I guess from the pictures I found about "real" TBC-100). And my version is missing 3/4 of it connectors. I don't really know why they left one RCA plug in place. There's absolutely no use for it inside the box.