[mythtv-users] MythTV / HDTV: DVI vs S-Video Interface Suggestions

Donald R. Huettl drh at huettl.net
Fri Oct 31 20:14:08 EST 2003


I have the set you are buying, and I'm using DVI to connect it to my
Myth box.  I'm still playing with modelines trying to get a 16x9 aspect
ratio, but 4x3 still looks great...

On Fri, 2003-10-31 at 16:24, Mike Hicks wrote:
> On Fri, 2003-10-31 at 14:27, George Heeres wrote:
> > My question to everyone, is what's the best way to interface with a
> > HDTV.  The TV in question is a Sony KV34HS510 Widescreen HDTV, which 
> > I'll be picking up this weekend (Saturday).
> 
> That's one of a few sets I've been looking at purchasing, so I hope it
> works out well for you.
> 
> > The TV has tons of inputs, including DVI and Component Video (YPrPb), 
> > along with the standard composite and S-Video inputs. My question is 
> > what's the best route to take for maximum picture quality/resolution:
> 
> Well, I guess I didn't think about it until now, but I don't know if
> that TV will deinterlace video coming in on the DVI port.  You would at
> least have to set the video adapter to output an interlaced signal (and
> even then, I don't know if people have managed to properly work out how
> to guarantee that the fields are being output in the right order, etc).
> 
> An alternative would be to do deinterlacing on the computer, but getting
> anything nearly as nice as what the TV can do itself would require
> integrating code from DScaler/tvtime into MythTV.  That's something I've
> wanted to do for a long time, but I don't have the programming prowess
> to handle it..
> 
> Hopefully, the TV would provide some good video modes through the VESA
> DDC information (these are usually printed out in the XFree86 logs when
> it starts up, if info is provided by the display device).  However, I'm
> guessing that most HDTVs either don't provide the information, or
> provide modes that you really don't want...
> 
> Unfortunately, there's very little technical information available on
> these points, at least as far as I can find.



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