Is a Mediator 4000Di worth it?

[alexh]

If PCI is your bag, seeing as how you have a CS MKIII you should try to get the illusive G-REX A4000D and then you dont loose the video slot.

Ah... if I remember correctly you have a dual input LCD monitor with a built in scandoubler.... hmmm... maybe you would be ok with a Mediator 4000Di afterall.

Kickflash would still work (if it worked in the first place).

If you want to know if your kickflash is working... load the X-Surf IDE driver in and try and boot from it's IDE interface. You cannot do this unless you have a working kickflash (or a homebrew kickstart ROM)

[alexh]

keropi wrote:
they usually have a color space of 8:4:4 RGB instead of the full 8:8:8 RGB...

Yeah? 16-bit RGB colour ratio is usually 5:6:5 RGB because human eye is more sensitive to subtle changes in Green than Red or Blue.

8:4:4 is a well known YUV spacial resolution.

What makes you think the Amiga scandoublers use 8:4:4 16-bit RGB?

P.S. "8:4:4 RGB" is not what I would call a colour space. RGB is a colour space, YUV or Y'CbCr are colour spaces. 8:4:4 is a colour ratio

[alexh]

Zac67 wrote:
All scan doublers / flicker fixers produce 'comb' artifacts at fast horizontally moving objects.
This is caused by both fields (usually) showing two different pictures spaced 1/50th second apart. Only professional scan doublers and modern digital TVs avoid this by interpolating between the frames - which might be more or less successful.

Read

Amiga screens are (for the most part) non interlace and dont suffer from these artifacts.

The main cause of artifacts with the external scandoublers (including some in lower cost LCDTV's) is noise introduced due to analog (A2D) sampling of the RGB signals. The signals go from Digital->Analog->Digital->Analog->Digital sheesh!

Clip-on internal scandoublers and video slot scandoublers dont suffer from this as bad as they get the signals before the video DAC and so only go Digital->Analog->Digital

I guess the ultimate scandoubler would be internal to DVI where it would stay 100% in the digital domain.