[linux-dvb] Re: Videotext on various output types

[dan <danl@dnt.ro>]

Teletext has nothing to do with the Colour TV.
That means on a Y/C connection he must be on Y (luminance signal)
Here is a simple trick to see if it's tv fault or PC-DVB card:
If your TV set has V-HOLD adjustment just desync a little on V and have a
look in
Vertical Blanking Interval (VBI) while feeding  the tv set Y/C and also
teletext.
If you see some white dots  moving randomly on several lines from VBI that
means your TV set
cannot handle ttx on Y/C. If you dont see anything like white dots (or even
discontinous white line)
that means your card dont output ttx on Y/C.

Hope it helps you,

Dan Lita




----- Original Message -----
From: "Klaus Schmidinger" <Klaus.Schmidinger@cadsoft.de>
To: "linux-dvb" <linux-dvb@linuxtv.org>
Sent: Monday, April 30, 2001 5:25 PM
Subject: [linux-dvb] Re: Videotext on various output types


> Robert Schneider/MUC1/Lotus wrote:
> >
> > Hi DVBler,
> >
> > I experimented with cables and output types yesterday and found that
when
> > switching to YC_OUT, I don't get Videotext on my TV set. I do get it,
> > however, when using CVBS_RGB_OUT.
> >
> > My question: Is that a feature of my TV to not take the information out
of
> > the Y/C signal or is it the case that the DVB-S card doesn't deliver the
> > Videotext signal. Or is it not possible to deliver Videotext data
through
> > Y/C?
> >
> > Will I get it on RGB? My cable wasn't soldered the way I could test
that.
>
> AFAIK videotext can't be transmitted over a Y/C connection.
> But I may be wrong...
>
> Klaus
> --
> _______________________________________________________________
>
> Klaus Schmidinger                       Phone: +49-8635-6989-10
> CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
> Hofmark 2                               Email:   kls@cadsoft.de
> D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
> _______________________________________________________________
>
>
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