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TGBatman · 2009-07-05, 10:33

Wow, that's a really complete guide, but a bit hard to understand.

Well, yeah, I tend to use the AR flags in Matroska and try to avoid resizing when it's not needed, so I guess cropping at the sides when there's no blackbars at all is pointless.

But I didn't get the "8640/4739 if your source is 16/9 or 6480/4739 if your source is 4/3." part. Aren't those some BIG numbers there? I tend to check the AR error ratio with Yatta, 853/480 seems to be the one with less of it if I crop the black bars at the sides, and 872/480 seems to be the one with less AR error if I don't crop them (when not needed, of course). And that's supossing I don't have black bars in Y and -Y.

I better always check the AR error in Yatta from now on

.

Also, another question. If I have a 4:3 DVD NTSC source, what's the best idea? Not doing ANY resize in avisynth (only the needed cropping if any), setting the display size in Matroska as 640x480, or is a better idea to use 768x576, OR resizing at the desired resolution?

I've always done the third one (cropping and resizing, and that's to 640x480), but I'd like to know your opinion.

Thanks for the help guys.

2009-07-05, 10:33	Link #379
TGBatman Junior Member Join Date: Feb 2009	Wow, that's a really complete guide, but a bit hard to understand. Well, yeah, I tend to use the AR flags in Matroska and try to avoid resizing when it's not needed, so I guess cropping at the sides when there's no blackbars at all is pointless. But I didn't get the "8640/4739 if your source is 16/9 or 6480/4739 if your source is 4/3." part. Aren't those some BIG numbers there? I tend to check the AR error ratio with Yatta, 853/480 seems to be the one with less of it if I crop the black bars at the sides, and 872/480 seems to be the one with less AR error if I don't crop them (when not needed, of course). And that's supossing I don't have black bars in Y and -Y. I better always check the AR error in Yatta from now on . Also, another question. If I have a 4:3 DVD NTSC source, what's the best idea? Not doing ANY resize in avisynth (only the needed cropping if any), setting the display size in Matroska as 640x480, or is a better idea to use 768x576, OR resizing at the desired resolution? I've always done the third one (cropping and resizing, and that's to 640x480), but I'd like to know your opinion. Thanks for the help guys.