Quantcast KVCD: Problems with the Prediction Phase Prior to Encoding in TMPGEnc? - digitalFAQ.com Forums [Archives]
  #1  
07-04-2004, 10:10 PM
Blubear Blubear is offline
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I have been using a version of ACP to create some nice KVCD's in the past to try and learn the basics. Now i want to progress to SVCD in the KVCD format. ACP doesnt look like it does this so I have tried doing it manually step by step. I have done the Rip, DVD2AVI and audio encoding to 48k. I am now having problems with the prediction phase prior to encoding in TMPENc. Can any of the Members tell me how to do this?? I have searched for guides but there does not seem to be one for KSVCD. I now how to MUX and DEMUX with TMPGENc so that wont be a Problem. Any help would be most appreciated.
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  #2  
07-05-2004, 03:53 AM
Dialhot Dialhot is offline
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There is no diff between making a KVCD and what you call KSVCD. They are both KVCD ! One is in MPEG1, the other in MPEG2. That's all.
So take any guide you read and use it.

If your problem is only with prediction, you have to look at "CQMatic" (see the relevenat section of the forum, here on this site).
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  #3  
07-05-2004, 07:56 AM
English Bob English Bob is offline
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Quote:
I am now having problems with the prediction phase prior to encoding in TMPENc. Can any of the Members tell me how to do this??
Same here, looked around found the "CQMatic" section read it made some mistakes, but finally got it to work, and the predictions were spot on,all your answers are in that section.
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07-06-2004, 02:27 AM
Fluffbutt Fluffbutt is offline
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I've had nothing but excellent results from Cqmatic (using 1301 with the 'out-of-order' prediction).

It's consistent, and the end product movie is lovely!
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  #5  
07-06-2004, 10:22 AM
kwag kwag is offline
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Hi Fluffbutt,

How many movies have you done with that CQMatic build
And how far off has prediction been

-kwag
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  #6  
07-06-2004, 11:52 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by kwag
How many movies have you done with that CQMatic build
In which unit ? hundreds ? I should have done more than one hundred with CQMatic but can't say how many with last release.

Quote:
And how far off as prediction been
90% under the target by 10 to 50 MB, 8% of the time above the target and I had to use a lower audio bitrate than the one used for prediction, 2% I lost my time and redo all the thing by hand.

Note: I use 64-2300 as bitrate range, and always do x1 prediction except is the movie is 2hours long or above.

Note2: that is important also to know that I always encode in the area near CQ=70/75 (or CQ_VBR 18/20).
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