s-video to vga

[rasOfir]

is it possible to convert an s-video out to be vga ?

 

[GreekPIC]

I'm not an expert but I think so.

You have to extract Sync from the Y(Luminance) signal, divide it to H-sync and V-sync (using an EL4583C or LM1881) and decode the C(Chrominance) signal to RGB (no idea how to do that, sorry).

 

[rasOfir]

does anyone have schematics for this ?
i m sure this is possible, somehow

 

[audioguru2]

Hi Ras,
The converter isn't simple. I searched Google (why don't you?) for S-video to VGA Converter Circuit, and got links to hundreds of circuits. This is the 1st one:

View attachment 36746

 

[rasOfir]

yes, thats what i've found too..
i thought there might be a simple sulotion.

THANK anyway

 

[audioguru2]

Hi Ras,
You are lucky your signal isn't High-Definition.
Maybe you need only a video card with a TV tuner on it.

I got a Personal Video Recorder that records TV on its hard drive. Its digital picture and sound are much, much better than a VHS tape recorder and it can record and playback 2 shows at the same time. I can watch its playback of a show from the beginning. that it is still recording. It is called Time Shifting. Its outputs are S-video, Dolby 5.1 and lots of other stuff.  ;D