Re: How to capture quality images from a IIGS?

[Polymorph <polymorph69@hotmail.com>]

On Sep 16, 3:20 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
> vectorthom wrote:
> > On Sep 14, 8:08 pm, "Michael J. Mahon" <mjma...@aol.com> wrote:
>
> >>vectorthom wrote:
>
> >>>Hello all,
>
> >>>I have a video project I'm working on and will be using some hand-
> >>>drawn graphics that were generated a long time ago using the Apple II
> >>>program Dazzledraw.  I have an Apple IIgs and was hoping to find a way
> >>>to capture the images with best possible quality so that they could be
> >>>imported to Final Cut Pro and worked into a standard def NTSC
> >>>timeline.
>
> >>>I wanted to output the images using the RGB port and get the same
> >>>approximate quality that you'd get while viewing on an Apple RGB
> >>>monitor.  But instead of going to a monitor, I'd like it to feed out
> >>>to a video capture device.  I could go with still image captures, but
> >>>I really want to capture as motion video straight from the IIgs,
> >>>because Dazzle Draw has a slide show feature and I'd like to get not
> >>>just the images, but the original transitions and wipes that the
> >>>program uses with its slideshow feature.  Does anyone know of a way to
> >>>go from RGB to Component or possibly s-video, etc. while maintaining a
> >>>clean video signal.  Not interested in composite - that'd be too easy
> >>>and not clean enough.  Again, this must be NTSC.
>
> >>The best that NTSC is capable of is good quality composite--which is
> >>by definition NTSC--a bandwidth-limited standard for video broadcast.
>
> >>So you actually want an _extension_ of NTSC which provides greater
>
> > Thanks both for the input.
>
> >>chrominance and/or luminance bandwidth while maintaining the NTSC
> >>scan standards.
>
> >>An RGB-to-component converter is your best bet, and they are available
> >>from several sources on the web.  Unfortunately, they are not a volume
> >>device, and so they tend to be well over $100.
>
> >>-michael
>
> >>NadaNet and AppleCrate II: parallel computing for Apple II computers!
> >>Home page:http://home.comcast.net/~mjmahon
>
> >>"The wastebasket is our most important design
> >>tool--and it's seriously underused."
>
> > I'll might end up trying both options.  The emulator route is cheaper
> > obviously, though I'll have to get the proper cabling for ADTPro to
> > get my disk images over to the emulator.  I've read about the "color
> > blast" issue of trying to display lo-res graphics through an emulator
> > on a hi-res screen, but if there's a way to get it to display ok,
> > it'll save me the money of getting a video converter.
>
> > Michael, do you have any recommendations for converter(s) that will
> > definitely work in this case?  I might be willing to spring for one,
> > if I'm not just experimenting with a hit-and-miss situation.
>
> Most of the discussion of converters has been focused on getting
> to VGA output...
>
> IIRC, there was a do-it-yourself RGB-to-component converter article
> in an Australian electronics magazine..but I can't remember the name
> at the moment.  ;-(
>
> Here's a SCART-RGB to YCrCb component transcoder that will do the job:
>
> http://www.highway.net.au/parts/converters/2005.html
>
> It's under $100 (barely), but postage and a IIgs-to-SCART cable will
> be needed, too.  Someone here will know who makes these...or search
> csa2 using Google Groups.
>
> The result of transcoding from a real IIgs should be excellent, in color
> rendition, sharpness, and stability.
>
> -michael
>
> NadaNet and AppleCrate II: parallel computing for Apple II computers!
> Home page:http://home.comcast.net/~mjmahon
>
> "The wastebasket is our most important design
> tool--and it's seriously underused."

Details on how to order a pre-made IIgs SCART cable, or instructions
on how to make your own, can be found here:
http://vintageware.orconhosting.net.nz/scart.html

Cheers,
Mike