Yellow subtitles have always some bits of white.

[Talayero]

Hi,

Now and then when I have an old black and white film I use to change the subtitles to yellow. I use this color too when I make subtitles from text to bmp. I know there are people that don't like yellow at all, but anyway that's not the question. My problem is I don't manage to get a pure yellow, there are always some letters in the dialog that have a little bit of white. It's a little fault, but I can tell it, specially when the subtitles are not small ones.

I tried everything, in Scenarist, in DVDsubedit, even I chose a darker yellow, and there are always some white that interferes. It's very little white, but it bothers me.

[kumi]

Can you take a screenshot of the problem?

[dialysis1]

You can make adjustments including changing the color with DVDSubEdit.
http://download.videohelp.com/DVDSubEdit/

[Talayero]

I can't take a screenshot because the problem can be hardly distinguished on my PC.

To give an example of what happens on my TV, lest's say we have a subtitle that says: "That was the second time in my life". I see it all yellow except the "n" of "second" whose first stroke is almost white, and also the "i" of "in" has a touch of white.

So the problem is not a big one. In most of the dialogues you only have a letter with a slight touch of white. I don't know if that happens with all the dvd movies that have yellow subtitles or only with the ones I've authored.

[manusse]

Hi,

Maybe it is coming from the anti-aliasing color. Try to change its color too. You can find detailed instruction about how to do it with DVDsubedit in CoNS'guide (http://download.videohelp.com/DVDSubEdit/Guides/ChangingColors/Guide.htm).

Cheers
Manusse

[kumi]

Is this an NTSC DVD? This sounds like your colors are out of the safe NTSC color range. Yellows and reds are particularly susceptible to this problem. Try desaturating somewhat the colors in your CLUT. Especially the yellow.

an illegal NTSC broadcast color is any pixel or area of the picture that has over 75% saturation of the chroma (color). For example, an RGB graphic that had a yellow area of Red 191, Green 191, Blue 0, would have 75% saturated color & would be legal. 75% of a 0 - 255 range is 191, so as long as there isn't a spread of more than 191 between each of your RGB channels for any pixel, it's not illegal. An RGB graphic that had a yellow area of Red 255, Green 255, Blue 64, would also have 75% saturated color & would also be legal. But an RGB graphic that had a yellow area of Red 255, Green 255, Blue 0, would be 100% color saturated & would be illegal.

- http://www.digitalgypsy.com/vfxlog/archives/2005/03/tip_of_the_week_11.php

another site says:

The general rule is that colours should have a saturation value lower than 240 (out of 255), although some people suggest that it should be no more than 192. An easy way to handle this in the RGB colour space is to make sure that the R, G, and B values of your colours are all between 16 and 236.

- http://www.interactivetvweb.org/tutorial/dtv-intro/tv-ui-design.shtml

[scharfis_brain]

I think that this is caused by the internal image sharpener of the used TV set.

disable the sharpener or at least lower the sharpness of the TV set.

[setarip_old]

@Talayero

Hi!

1) As an experiment, try using DVD SubEdit to shift the subtitles a couple of pixels to the right (or left) - and then see if the SAME letters show white at the SAME positions. If not, the problem is likely related to your display hardware.

2) Try using a different font and/or font size