Re: RGB to VGA on a IIGS (again)

["Michael J. Mahon" <mjmahon@aol.com>]

Bryan Parkoff wrote:
> "mdj" <mdj.mdj@gmail.com> wrote in message 
> 1182608673.354371.135120@i13g2000prf.googlegroups.com">news:1182608673.354371.135120@i13g2000prf.googlegroups.com...
>
> > On Jun 24, 12:18 am, "Bryan Parkoff" <nos...@nospam.com> wrote:
> >
> > > "mdj" <mdj....@gmail.com> wrote in message
> > >
> > > 1182580110.751279.80970@g37g2000prf.googlegroups.com">news:1182580110.751279.80970@g37g2000prf.googlegroups.com...
> > >
> > >
> > >
> > >
> > > > On Jun 23, 3:57 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> > > >
> > > > > mcph...@yahoo.com wrote:
> > > > >
> > > > > > I know this has been asked before, but I was wondering if there were
> > > > > > any new RGB to VGA upscaling converters out that were particularly
> > > > > > good for this task. The XRGB-2 is no longer available (and was
> > > > > > pricey).
> > >
> > > > > > I would like to do RGB rather than composite to VGA with a GS and a
> > > > > > viewsonic LCD.
> > >
> > > > > Right--if you start with composite, then the result can never be
> > > > > any better than that, no matter what format you convert to.
> > >
> > > > The 'simple' solution is to use an LCD TV with a SCART input on it,
> > > > and use Roger's IIgs->RGB cable. The results will depend on the
> > > > quality of the TV.
> > >
> > > > I tried this a while back with my TV (A 32" model, a bit inconvenient
> > > > placing atop an Apple II) and the results were quite acceptable. On my
> > > > Apple II though, I've now decided to regress to a green phosphor
> > > > monochrome display. For a non-gamer, this gives the best possible
> > > > results, but I would certainly like to find a small LCD TV that worked
> > > > well.
> > >
> > >    I would be surprised to see Video (NTSC) to VGA Converter 
> > > athttp://www.ramelectronics.net/html/video-vga-gvm-2000.html.  I am sure 
> > > 80
> > > column is unreadable on VGA screen unless digital filter is used isntead 
> > > of
> > > analog.  Do you agree?
> >
> > I'd imagine pretty much all these converters use some form of digital
> > storage.
> >
> > 80 column text tends to look a little odd, with alternate scanlines
> > interpreting the pixel widths slightly differently. Readable, but not
> > particularly clear.
> >
> > What's needed is a converter that can lock onto the Apple II's dot
> > clock...
>
>
> Matt,
>
>     I agree.  What if I want to use NTSC to VGA Frame Grabber?  I would want 
> to capture 80 column TEXT and double high resolution screen into JPG / BMP 
> format, but NTSC to VGA frame grabber picture may not look great like Video 
> to VGA converter.  You stated like 80 column text tends to look a little 
> odd.  It might does the same to do with double high resolution.  What do you 
> think?  NTSC to VGA Frame Grabber is shown on 
> http://www.sensoray.com/products/2250data.htm.

Seems pretty expensive, given the abundance of 720x480 NTSC video
capture devices on the market--usually for less than $70, and often
bundled with low-end video editing (and frame capture) software.

-michael

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