Quantcast Convert Movie to KVCD - How Big Will it be? - digitalFAQ.com Forums [Archives]
  #1  
05-09-2002, 10:11 AM
Mr Walker Mr Walker is offline
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Hello
I saw this "guidelines" in one post here at the forum:

Video times in hours with the standard KVCD template at 352x480:

1:45 -> 2:00+ CQ=70
1:30 -> 1:45 CQ=74
1:15 -> 1:30 CQ=78
1:00 -> 1:15 CQ=82
1:00 or less CQ=86


Can anyone post some results they got from encoding to 352*288, just "how long was the movie, how big was file". Can be good to know for your next encoding.
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05-09-2002, 11:43 AM
kwag kwag is offline
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We're going to have to do some encodes to see what are the numbers for 352 x 240 (28.

I think it should be about half. So every increase/decrease of 4 in CQ should be around +-50MB.

This has to be confirmed by doing several different films at CQ's in steps of 4 starting at 74.

I'll give it a shot with "The Matrix" and post the results here.

I'll start with the KVCD template as it is, but output as 352 x 240 and CQ=74.

I will post the first result in about 4 1/2 hours. That's my estimated time of conversion.

Encoding......

kwag
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05-09-2002, 04:24 PM
kwag kwag is offline
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Run #1: CQ=74 at 352x240 "The Matrix". File size 620,560,384

Encoding run #2 at CQ=78 .....

kwag
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05-09-2002, 09:02 PM
kwag kwag is offline
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Run #2: CQ=78 at 352x240 "The Matrix". File size 634,257,408

Encoding last run #3 at CQ=82 .....

kwag
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05-10-2002, 08:28 AM
kwag kwag is offline
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And here it is!
The last run.

Run #3: CQ=82 at 352x240 "The Matrix". File size 739,508,224


kwag
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05-10-2002, 12:08 PM
rendalunit rendalunit is offline
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here's mine:

"the matrix" CQ=86 properties in Windows Explorer-
767 MB (804,519,936 bytes) ???

.avs script:

LoadPlugin("C:\ENCODING\MPEG2DEC.dll")
mpeg2source("C:\ENCODING\thematrix.d2v")
BilinearResize(320,208,0,11,720,45
TemporalSmoother(2,2)
AddBorders(16,16,16,16)

it fit perfectly on an 80 min cd-r and the quality and sound was great!
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05-10-2002, 12:30 PM
Mr Walker Mr Walker is offline
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Hmm how much different does The size of the "letterbox" affect the output size. Must be some differece between 352*288 fullscreen and 352*288 1:2.35 letterboxed (moviepixels at only 57% of the screen).
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