Re: How to capture quality images from a IIGS?

[vectorthom <greg.rossiter@gmail.com>]

On Sep 15, 11:24 pm, Polymorph <polymorp...@hotmail.com> wrote:
> 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

Thanks guys.  Looks like I'm all set.