On Friday 01 December 2006 16:05, Han Holl wrote:
> Hello,
>
> In the last two weeks there has been a long thread about video
> through a scart -> s-video converter being monochrome.
> As several members of this list already hinted, scart is a form
> factor, but not necessarily a standard.
> A standard conforming scart plug has no luminance/chrominance pinout,
> and without serious looking electronics
> (http://www.nexusuk.org/projects/rgb2svid/) conversion from rgb to
> s-video is not possible.
> The scart -> s-video adaptors are meant for devices that have a
> switch of menu setting to change the pinout on the scart socket.
>
> So the question is, what is 0.3.2q doing exactly ? The only plausible
> answer would seem to be that it's using the composite signal, but if
> I use the the composite signal from 0.8.1, the result is pretty bad:
> much, much worse that the 'impossible' s-video signal from 0.3.2q.
> (Of course it's possible that the composite cable I use is
> responsible for the difference in picture and audio quality, but it
> seems unlikely).
>
> If there is a bug in 0.3.2q causing this, I would love to
> re-introduce this bug in 0.8.
>
> What I'd like to know is this: is it normal for composite video to be
> hardly useable, or is the general opinion that composite maybe not
> quite as good as s-video, but that it's good enough to watch
> routinely, and that there must be something wrong with my composite
> setup.
'Hardly useable'? I understood that the only problem was that it was
B&W? Or are there other artifacts? If there are other problems with it,
then I'd like to have a small MPEG sample so I can see what it looks
like. It might give me a hint.
I haven't had time to look into this further, but you aren't
forgotten :-)
Hans
>
> Cheers,
>
> Han Holl
>
>
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