Question about ScanDoubler and Mediator Video Card

[keropi]

yes, u will need those 2... you will also need a switch to make the AGA/RTG change...

see here what I did to my machine... http://eab.abime.net/showthread.php?t=24421

[keropi]

it is simple... it is like having 2 graphics cards...
workbench uses the RTG card (in this case the vga on the mediator) as some games that have rtg option.
but if you plan to play whdload games, that "talk" to the amiga hardware directly, they will use AGA only, and there is no way to change that. so, you have your monitor plugged on the pci card, and you start a game that uses AGA, so u need to plug the monitor to the aga output, a scandoubler in this case, to see the game. so if you have a switch you press a button and it switches. if you have a dual input monitor you press it's button, and if you have a zorro based rtg that has a built-in automatic switch (like the picassoII, piccoloSD64) it makes the switch auto.
I hope you get the meaning of all these... :-)

[keropi]

pain with soundcard? why? I just feed the paula to the line-n of the soundcard and it just works, switching to whdload does not mute it...

[keropi]

oh yeah, the TV-Tuner solution, the poor-man's scandoubler... crap quality though, because you only use the VHS input, plus the BT chipsets of the amiga supported tv tuners are not the best arround...
I wish I could use the phillips SAA71xx based cards, way better in quality...

[keropi]

ofcourse you can live with it, but if you compare it against the rgb output on a real amiga monitor, or a scandoubler vga output, then it is crappy... if it was a SVHS output then it would be far better, but vhs is the last in line... I have connected many consoles to the vhs/svhs inputs of my tv-tuner on pc, the vhs is blurry and suffers from color bleeding...

[keropi]

color matching and blur/bleeding colors are 2 different things. No matter what sd/ff you have, it will still kick the a$$ of a vhs input.
SVHS and S-Video INPUTS mean the same thing here (Greece) if it means something else there , I don't know...
Also does the rgb output of the a1200 provide the luminance and chrominance signals to create the S-Video signal?
and the jerkyness is a thing I forgot, it is valid and annoying.
On a pc one can use a prog like FLY2000TV to make the tv-card output 2x fps, (50 for PAL, 60 for NTSC) thus giving fluid motion (fly2000tv worked only on SAA71xx chips, but now later versions added BT878 support)

[keropi]

if the rgb port cannot provide luminance and chrominance, then u cannot make an S-VIDEO cable, because this cable constists of these two signals...
and by VHS I mean the AV cable AKA composite AKA the one that has all the picture signals in 1 wire, hence the bleeding and bluring... u know the yellow plug looking like the sound RCA plugs... don't know how to explain better :-D

[keropi]

ah, u need some circuicity to make S-VIDEO out of rgb.... all consoles , nes/snes/psx/ps1/ps2/gc/dc/saturn etc, have on their scart cables extra vhs/s-video outputs because they natively produce such signals, you cannot just combine some rgb signals to s-video...
ever wondered why there is no s-video cable for the n64? because nintendo did not make it to output one, so you are only limited to rgb and vhs, leaving only vhs for vga-boxes thus producing crappy quality...  :lol:
and yes, scart rgb should be a standard, I hear on US there is a "component" standar, in some cases better than rgb, but never actually saw a device here taking such a signal...