White-pumping also by non-SCART gear?

[Ghitulescu]

The other thread of mine, 3 months old and with some 1k5 visualisations, was not interesting at all apparently.

There are some 10 years since a user, also of doom9, discovered the "white pumping". Also nothing else than an endnote in the history of analogue playback and capturing. For those not knowing what has been reported, see this entry in another forum, also with some video -> https://forum.videohelp.com/threads/...e9#post2685720 .

Essentially, there is an "echo" in the video outputs (S-Video was particularly tested) but the SCART signals of the same device were unaffected.

This issue has been extensively discussed in the German forums, but went, again, unnoticved in the rest of the world.
Maybe the "rest of the world" thought that this an European thing, since SCART was involved.

I think they are wrong. I think that the SCART, which required a certain configuration, was a correction, not an error. My guess is that all others, non-SCART, are or may be faulty, exactly the same as the Hosiden outputs by PAL gear.
Anyway, the lack of buffering is the main reason why, in audio, the quality of interconnect cables counts. And also is the culprit here - the "echo" appears to be caused by the capacitor which is the only "buffer" for S-Video (the SCART has a true buffer instead, because it's direct DC-coupling). Since the costs of a capacitor is much lower than that of a true buffer, the premium devices (Panny E20, HS2) did not suffer from this, whereas the others did (EH, ES series).

Of course I cannot prove this, as living in the middle of the PAL-Continent is difficult to find NTSC-pure gear.

Maybe someone can test this issue...