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  #1  
05-07-2004, 01:47 PM
Zanny Zanny is offline
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Hi again,

Fairly simple question really. Im just getting the hang of scripts but having a fairly slow pc am unable to devote to much time trying different filter combos.

So the scripts posted here, are they optimized for best picture quality or size? The reason im asking is because the other night i did a script (using some of the stuff from the optimal scripts) and on a 2 hour 10 min film the cq came out at 39.82 despite me only going for 112kps audio. I then changed the resizing from lanzosresize to bicubic resize and dropped one filter (maybe blockbuster???). I then did a CQ test again and it came out at 46.32, which id imagine is going to be better.

SO....do these scripts maximise CQ or maximise picture quality via filters (but lower CQ) or somewhere inbetween......
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  #2  
05-07-2004, 01:47 PM
Zanny Zanny is offline
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Just to clarify some more im doing vcd's as i still dont have a dvd writer.
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05-07-2004, 01:59 PM
kev23m kev23m is offline
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What resolution are you using?

I usually do movies which are 140mins to 180 mins and have not got a cq lower than 70.

Using the ulbr template and ma script.
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  #4  
05-07-2004, 03:11 PM
Zanny Zanny is offline
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well ive only done 4 working ones so far lol

first 2 were low res ntsc films 352 x 240 (or something like that the standard vcd low res anyway)

last 2 ive been trying 480x480 still burning as mpeg1 as its playing fine (well maybe picture could be better but still plays in my dvd player).
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  #5  
05-07-2004, 04:58 PM
Dialhot Dialhot is offline
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As you are talking about lanczos and blockbuster, I guess you are talking about "my" optimal scripts for avi->kvcd jobs.

They are optimal in a quite simple but somehow complicate way : to achieve the highest quality with as much details that is possible in the lowest size.

As you see there is 3 parts in this sentence. It's (more or less) easy to modify the script to enhance one or two of the parts but the "optimality" is in the whole three ones.

Do you understand ?

Note: "optimal" also means 'the best script found at this time". I mean that nothing is never freezed .
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  #6  
05-07-2004, 05:38 PM
Zanny Zanny is offline
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Sorry if ive confused anybody but im talking about the script for dvd to mpeg using a .d2v source. Anyway Ive just ran a low CQ test on a 3 min clip, one using the clean dvd optimal script and one just loading the straight .d3v file into tmpgenc. Anyway the text is clearer on the filtered one and the blockies are less noticable so next time i do an entire movie I shall try it with the script, motion adaptive filtering, the works
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  #7  
05-08-2004, 10:53 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by Zanny
Sorry if ive confused anybody but im talking about the script for dvd to mpeg using a .d2v source.
???
There is no lanczos nor blockbuster in this script
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  #8  
05-08-2004, 02:06 PM
Zanny Zanny is offline
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OK now I feel like a fool

I guess ultimately I would like to know which filters increase compressability as I seem to keep trying the ones that lower compressability. But like I said in my last post Ive tried a couple of experiments and the optimal scripts DO improve quality although they seem to add a third to my render times. Oh well thats the price you pay for a good image quality.
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  #9  
05-08-2004, 05:56 PM
Dialhot Dialhot is offline
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Don't worry, you're welcome to do any experiment you want to improve the optimal scripts
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