Capping at resolutions > 352x480 from analog making VCD?

[fmctm1sw]

Here's my "scientific" experiment.....

I. Source material: ESPNEWS channel. Source consisted of text (mostly white) on a black background. There was no motion at all (stats).

II. Capture: Roughly 10 second uncompressed AVI files at the following resolutions in YUY2 colorspace (I didn't use RGB24 because my setup will not cap 720x480 in RGB24):

A] 720x480
B] 480x480
C] 352x480

III. Conversion: I used TMPG (ver. 2.56.39.143) to convert each one of the source AVI files to VCD (with the wizard). I used all the default values supplied by TMPG with the exception of "full screen (keep aspect ratio)" for each source.

IV. Comparision: I then used Virtualdub to open each one of the resulting Mpeg-1 files and copied a frame into MSPaint. I then checked each one for any appreciable differences.

V. Findings: I honestly don't see any appreciable difference between the resulting bitmaps. I wouldn't know which is which if I hadn't named them 720x480, 480x480, and 352x480. I'm NOT saying there is absolutely no difference. I'm just saying that I cannot see any. For folks like me with slow processors, I don't think the extra time converting 720x480 caps to VCD is worth it for the standard AVI to VCD conversion.

[LordKariya]

There is no motion !

[tuco1979]

It all depends on the source. The better the source, the more you can tell the difference. Also comparing frames is not a good way to tell which one is really better. It depends on what your prefernces and constraints are.