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  #1  
08-25-2004, 04:47 PM
AgNa AgNa is offline
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Hello all, Finally I got my DVDburner, so from now on I will be puting my movies into KDVDs instead KSVCD or KVCDs. But first I have a coupleo f questions and doubts.
1) If I put 3 diferent movies in the same KDVD they all must have the same audio setting? I mean the 3 should be AC3 or the 3 should be a stereo mp2??
2) I follwed the guide posted in this section with succes but I dont want my subtitles to be permanent, I want switchable subs in the same case as in point 1. Can someone point me to a guide to do that? since I coulndt find any. (subs are SRT or SSA)
3) I know how to deal with AVI sources in PAL, I demux the audio and strech it to match the lenght of the new mpeg file after assumeFPS but how do I do that with an AC3 file?
4) Can I have 2 diferent audio streams and 1 subtitle for each movie on my KDVD? any idea into how to do that?
5) Any guide to convert my PAL DVD to NTSC? I would just add the AssumeFPS line and then strech the audio, like I do with avis but theres maybe another way. I mean a better way, it doensnt have to be a n asy way.

Thanx for you help guys. Hope you can clear som things up in my head
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  #2  
08-26-2004, 03:14 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by AgNa
1) If I put 3 diferent movies in the same KDVD they all must have the same audio setting? I mean the 3 should be AC3 or the 3 should be a stereo mp2??
The problem with the audio is the same than with the video : if you author ith a soft that do "mono-VTS" (one track for all the movies), they must use the same audio format. If you use a "multi-VTS (each movie has its own track), then they can be of any format you want.

Tmpgenc DVD Author is multi VTS, DVDLab is mono but DVDLab Pro is multi.
Quote:
1. Can someone point me to a guide to do that? since I coulndt find any. (subs are SRT or SSA)
You should use the last DVDLab Pro beta as it handles srt and ssa directly. Else you must convert srt to sup (with srt2sup) and author the DVD with ifoedit, then do the menu with dvdlab importing what was done by ifoedit... really complicate !

Quote:
3) I know how to deal with AVI sources in PAL, I demux the audio and strech it to match the lenght of the new mpeg file after assumeFPS but how do I do that with an AC3 file?
YOu must convert it into mp2. Did you ever try to encode in PAL ? A lot of standalone can read it.
(note: avi sources with ac3 sound are really rare)

Quote:
4) Can I have 2 diferent audio streams and 1 subtitle for each movie on my KDVD? any idea into how to do that?
For sure you can. Again last beta of DVDLab pro ("last" means number 10. I had big troubles with release before that).

Quote:
5) Any guide to convert my PAL DVD to NTSC? I would just add the AssumeFPS line and then strech the audio, like I do with avis but theres maybe another way. I mean a better way, it doensnt have to be a n asy way.
Again : encode them in PAL !
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  #3  
08-26-2004, 03:18 PM
AgNa AgNa is offline
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Thanx for your reply.
Encoding to PAL its not an option since my DVDplayer supports its, but not my TV. So now I have the same questions. How to PAL to NTSC, including AC3 audio. It doesnt matter if my source is AVI or DVD, but I really wold like to keep the AC3 track when going from PAL to NTSC. I see that adding the subs with IFOedit can be pretty messy but I would likte to guive it a shot, but for that I need a guide
Maybe usign ChangeFPS instead AssumeFPS, that would keep the time lenght of the movie right? I tried this with avi sources in the past with not the bst results, maybe if I do ChangeFPS and then apply pulldown would give me a better result?
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  #4  
08-26-2004, 03:49 PM
SansGrip SansGrip is offline
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Quote:
Originally Posted by AgNa
How to PAL to NTSC, including AC3 audio.
Use AssumeFPS(23.976) to change the video frame rate.

As for the audio stretching, you'll have to split the AC3 into its component streams (i.e. if it's 2-channel, get WAVs for left and right, if it's 6-channel, get WAVs for front left, front right, centre, rear left, rear right and LFE). You'll need a lot of HD space for this...

Once you have the WAVs you can use your favourite time stretching software to change the run length of all of them (I use Adobe Audition, formerly known as CoolEdit, but it doesn't really matter). You want the new WAVs to be all the same length, to match the slowed-down video. I assume you know how to do this already -- if not there are a bunch of guides available.

Now you have your new, time-stretched WAVs, and you need to convert them back to AC3. TMPGEnc DVD Author can do it if you have a two-channel source. If you have more than two channels you'll need to use a standalone AC3 encoder to do it. I use the encoder that comes with Sonic Scenarist (never could get SoftEncode to work). For two-channel audio use 192kbps. For six-channel audio use 448kbps.

Thus you'll end up with your video and your new AC3, and when muxed together they should be in sync...

Good luck .
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  #5  
08-26-2004, 06:51 PM
Dialhot Dialhot is offline
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Quote:
Originally Posted by SansGrip
Use ConvertFPS(23.976) to change the video frame rate.

As for the audio stretching, you'll have to split the AC3 into its component streams
You don't need that is you use ConvertFPS as this does not change the playing time of the video. So there is nothing to change to the audio.

All what you say is ok if you use "AssumeFPS" in the script.
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  #6  
08-26-2004, 06:57 PM
SansGrip SansGrip is offline
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Ack. I meant AssumeFPS. Thanks .
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  #7  
08-26-2004, 07:13 PM
AgNa AgNa is offline
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Thanx guys, Im gonna give it a try tonight and see what happens
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