Quantcast KVCD: Success Creating Compressed VCD! - digitalFAQ.com Forums [Archives]
  #1  
06-27-2004, 11:16 PM
knucklez04 knucklez04 is offline
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1st time attempt it all messed up but second time with some reading of the tuts on here(thanks) it went pretty good the movie encoded was good quality an it fitted on 1cd
so thanks for kvcd i shall be saving onsome cds now not burning like 2/3cds a file
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  #2  
06-28-2004, 12:05 AM
kwag kwag is offline
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Welcome to the party

-kwag
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  #3  
09-19-2007, 09:59 PM
T41 T41 is offline
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After reviewing site,, and going through threads I have finally succeeded in my 3rd burning attempt at this.

I was able to fit a 107 minute movie onto a 73 minute cd. I did however have to use this - MPEG-1 704x480 23.976fps CBR 625kbps, Layer-2 48000Hz 128kbps - as my template to get a good screen look. used v-dub, headac3he, and TMPGenc, as well as calcumatic. So far so good. I guess it just takes timeto get kinks out, and some trial and error. The only problem I have had is that I have to use avi2vcd to decompress avi so that headac3he can convert to mp2 better. Also a lot easier/user friendly than bee-sweet IMHO.

For some reason when I try the others, and I have tried all the other templates in all kinds of settings, it seems to always come out as a full screen movie, and the pic is not so good at this size. Have to read more forums to see what is what with my final adjustments.

P.S. - thanks for site, those people over at videohelp are no help at all, they just put down the whole idea, and call this place propaganda. Well it's working for me. Thanks
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  #4  
09-20-2007, 04:21 AM
Dialhot Dialhot is offline
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Hi T41.

I'm glad you succeeded without asking a single question .

Nevertheless, be aware that :
1/ using avi as source is a very bad idea.

2/ CBR is the worst thing you can use, even if easier to implement

3/ 625 at 704x480 is very low, too low actually to provide a really decent result. Moreover in CBR mode !

My advice : use a lower resolution (544x480 for instance), look after CQMatic here on the forum to see how you can use CQ mode (that is a VBR mode), and the most important : use KVCD to backup DVD sources !

Note: vcdhelp and some other sites just consider KVCD as "a sort of" XVCD and continuously ban all discussion using "KVCD" in the question. That's sad (for them actually) but I won't blame their stupidity.
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  #5  
09-20-2007, 01:21 PM
T41 T41 is offline
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Thanks Phil - made me investigate further - I'm glad

After looking at everything ,and my problems I went over to redo this again -http://www.kvcd.net/forum/viewtopic.php?t=16709 - and see that because my folder was not named K as in guide I was never able to use the avi reader. I did not understand scripts, this was easier to rename than to retype the scripts. I still had all other boxes checked. also started using paranoia.

All seems to be working a lot better as far as pic quality. I am a beginner, and I realize this guide is for advanced people, but I do believe I am overcoming these obstacles pretty quickly.

At first I thought the calculations were to make a cbr - that is why I did that. Now however, since I have correct set up I can see how it really works. Only real problem was tryin to find a download for the sampler-2.5.ddl.
For those looking for it I found it here - - http://www.incredible.de.tf/Downloads/Sampler-2.5.rar - it's working for me

using the following guide:
http://www.kvcd.net/forum/viewtopic....t=simple+guide
I have an (A) number of 96 and a (B) number of 644 after subtracting for audio - doing conversion I am at .149 average? This is where I get lost - not sure how to figure sample average out. I find myself redoing a file over until I tweek it just right. Takes too long. My sampler has 360 frames and is exactly 1.00 mb in size when done.

This is what I am doing - took total frames 161,669 and divided it by 360 frames = 449.08 used this number to multiply by my sample size .Miv file to see what total would be - then added the mp2 file to get close to 700Mb
adjusted the rate control mode accordingly. end up here-MPEG-1 352x240 23.976fps CQ 79 test comes out to 1.18MB - waiting for the full on to finish to see if I did it right. Seems like a lot of math however easy to get the final solution.
Just completed at MPEG-1 352x240 23.976fps CQ 78 - and total is 504MB .miv Plus my mp2 file of 156Mb = 660MB - and after muxxing the final is 670Mb. Quality is bad,much better and very clear using the following format directly from my noiseless avi, without using scrips - MPEG-1 704x480 23.976fps CQ 60. if I use the 352 x 240 it doesn't fit on screen. Guess there is some tweeking to be done if I wan't to use scripts. just need to figure that rate control at sampler completion.

I'm doing it wrong somehow, if you could help me with the correct equation I would appreciate it.


p.s. been doing this straight all day, but I think I almost got it.

Thanks for help.
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  #6  
09-21-2007, 02:31 AM
kwag kwag is offline
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Quote:
Originally Posted by Dialhot

Note: vcdhelp and some other sites just consider KVCD as "a sort of" XVCD and continuously ban all discussion using "KVCD" in the question. That's sad (for them actually) but I won't blame their stupidity.
They should rename that site to vcdClowns.com

@T41,
Welcome!

Just as Phil mentioned, read about CQMatic and "File Size Prediction" on the forum areas, and once you get the hang of it, you'll be amazed of what you can put on a CD-R. And even better, what you can put on a DVD (2 or 3 movies ) looking almost like the originals

-kwag
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  #7  
09-21-2007, 03:39 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by T41
All seems to be working a lot better as far as pic quality. I am a beginner, and I realize this guide is for advanced people, but I do believe I am overcoming these obstacles pretty quickly.
Don't hesitate to ask. The guide are often outdated ( our fault).

Quote:
Never read the guide I have doubt on the formula.
# of frames in a movie is 24 x 60 x length in minutes.
If you divide # of frame by length of minutes and then 24, you always find 60 for A.

Just forget and look after CQMatic and Calcumatic. They take care of all the maths and try to find the best CQ usable for your movie.

Note: a 700 MB disc can fitt 800 MB in VCD mode, so I have doubt too about 644 as space for video. I think you substracted the audio from 700, not 800.
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  #8  
09-21-2007, 04:36 PM
T41 T41 is offline
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Thanks guys - Kwag that link or more specifically the "File Size Prediction" sped up the search, and was very helpful, now I understand what it is all for. The guide link you posted Phil is what I was using. I guess he left out a few details for this equation. That's what questions are for.

BTW Phil - I did do my math correctly - just set it up badly - the mp2 file was large because I had originally set headac3he at vbr 128 or cbr 192 - something like that.

Anyway - after using all the methods produced to me I am able to say my latest movie has come out at 91% conversion - with mp2 of 156MB. That avi file must already have been a possible kvd conversion. anyway all is good.
Pic looks FANTASTIC! Same as original file!

To save time is it absolutely necessary to muxx after video conversion, or can I add the mp2 to the tmpgenc at time of video conversion by unticking the start box and adding the audio now? Just curious it only saves a whole 5 minutes at best. Have not yet tried for fear of possibly influencing the video output by combining steps.
No need to answer I think I answered it myself - thanks again gents - my hat's off to ya

: See Ya Later
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  #9  
09-22-2007, 02:34 PM
Dialhot Dialhot is offline
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Tmpgenc will re-encode tha audio and it does it pretty bad. That's why we prefer to encode is appart, using better tools, and mux it afterwards.
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