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-   -   KVCD: Guidelines for choosing resolution? (http://www.digitalfaq.com/archives/encode/5690-kvcd-guidelines-choosing.html)

magnus 09-20-2003 03:07 AM

Guidelines for choosing resolution?
 
Hey guys, I'm new to kvcd, but so far it is a dream come true. No more 2 or 3 disc movies! Thank God! Anyway here is my question: How do I select the best resolution template in relation to my source. Are there general rules of thumb when choosing like perhaps source resolution or maybe resulting CQ value after prediction for a chosen output resolution? I'm sure this has been asked but I can't seem to find it in any of the guides or by searching the forum. Thanks for your help.

jorel 09-20-2003 05:29 AM

welcome in forum Magnus!
:D

first take the kvcd test:
burn in cdrw and test your player....read and download
http://www.kvcd.net/forum/viewtopic.php?t=2464

best scripts:
http://www.kvcd.net/forum/viewtopic.php?t=3483

CQMatic & CalcuMatic to find better prediction and CQ:
http://www.kvcd.net/forum/viewtopic.php?t=5145&start=0

wonderful guides:
http://www.kvcd.net
see in "articles"!

"everything" to download(programs,filters...etc):
http://www.kvcd.net/forum/viewtopic.php?t=2553

doubts?
just ask in the right thread.

friends and help?
everybody in everywhere on the forum!

:wink:

magnus 09-20-2003 11:16 PM

Thanks for the reply. I looked through the guides but none seem to address a deciding factor in choosing the resolution template for your encoding. I hope you can shed some light on this for me. Thanks again!

kwag 09-20-2003 11:33 PM

Hi magnus,

First, try 528x480 (kvcdx3), do file size prediction, and playback your sample to preview the quality.
If you're happy with the quality: "Do not pass go, do not collect $200.00" :lol: and encode your movie. Case closed.
If quality is so so, then lower your resolution to 352x480, and run prediction again.
Most probably, you'll have excelent quality 90% of the times at 528x480, and fallback to 352x480 if it's a very active (or long) movie, where 528x480 just takes up too much bitrate for a descent quality.

-kwag

kwag 09-20-2003 11:34 PM

Hi magnus,

First, try 528x480 (kvcdx3), do file size prediction, and playback your sample to preview the quality.
If you're happy with the quality: "Do not pass go, do not collect $200.00" :lol: and encode your movie. Case closed.
If quality is so so, then lower your resolution to 352x480, and run prediction again.
Most probably, you'll have excelent quality 90% of the times at 528x480, and fallback to 352x480 if it's a very active (or long) movie, where 528x480 just takes too much bitrate for decent quality.

-kwag

magnus 09-21-2003 12:34 AM

Thanks but unfortunately 528x480 is the only template my player won't accept.

kwag 09-21-2003 12:37 AM

Quote:

Originally Posted by magnus
Thanks but unfortunately 528x480 is the only template my player won't accept.

Have you tried the alternate resolution, 544x480 :?:

-kwag

magnus 09-21-2003 01:59 AM

No I haven't. Could that make the difference?

CheronAph 09-21-2003 02:02 AM

Quote:

Originally Posted by magnus
No I haven't. Could that make the difference?

I had the same problem, 544x576(480) worked for me, thanks kwag!

magnus 09-21-2003 02:06 AM

Thanks, I'll try it. So you guys feel this is the best all around resolution unless you have to drop to 352x240 or 352x480?

zes 09-22-2003 01:42 AM

try this
 
u could try going for a resolution which gives you a CQ of 60 or more (in tok). that's how i do it anyway :) start with 544x480 or 528x480 and lower your res if it's below 60.
oh yea don't forget 480x480, but that's standard svcd resolution ;)

magnus 09-23-2003 01:51 AM

Thanks Zes, that's a good rule of thumb to keep in mind.


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