I've got a DVD that I'd like to shrink to DVD5 size, menus and extras within, with 2.0 .AC3.
It has 2.0 PCM and 5.1 AC3 channels and I want my dvd with 2.0 AC3. I only want to have one single 2.0 ac3 audio stream.
I've already demuxed each title set, encoded .waws to .ac3, remuxed them, but I can't make up my DVD out of them.
The guides I read here were for a single title set: the main movie. I tried to apply them to my case, unsuccesfully.
Is there a way to create my dvd?
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Thanks for the quick answers!
My problem was that after muxing I got complete VIDEO_TS folders out of title sets, although I need to put/edit those title sets back to my DVD structure.
I could maybe join the remuxed VIDEO_TS folders with TMPGEnc DVD Author and then shrink it to DVD 5 size but then the menus will be gone...
my bad....i thought it did.
I have some some dvds where if you remove PCM audio i end up with no auadio tracks, theres no ac3 or mp2 tracks just PCM.
My suggestion...decrypt/copy/demux main title with your favourite decrypter, convert the pcm to ac3 or mp2 (you're in pal land) and mux it back with muxman.
edit: seems you done it
you can use vobblanker to replace the main title in the dvd with the one you converted, done that some years ago with vobblanker and pgcedit
use chapter extractor to export chapters and import chapters into muxman otherwise the chapters menu wont work, loads of things have to be "synced" as well like subs or you can deactivate some menus/actions with dvdremake or pgcedit....lots of work
Last edited by ricardouk; 18th Jul 2011 at 06:56.
chapter by chapter? you extracted every chapter and converted it?
1- create folder A on your desktop and rip your dvd (full) to it
2- create folder B and rip the main title to it.
3- demux the main title in folder B with vob edit, at the end you'll have individual video, audio (PCM) tracks, convert the pcm or ac3 5.1 track to ac3 stereo.
4- use chapter extractor to export the chapter points from main title in folder B
5- use muxman to mux the video/audio/chapter points from step 3 and 4 to folder C
6- use vobblanker to replace main title from the dvd in folder A with the one from folder C
at the end i think you need to update the IFO's with PGCedit but im not sure, i done this a long time ago but i think the workflow is similar to the one i posted above
Then when I remuxed it - also using celltimes - I got VIDEO_TS folders for each title.
Can I repeat the process you describe for each title? (Actually it's a concert DVD with bonus songs in separate titles)
I hope I can use PGCedit...
here's the guide, it uses pgcdemux instead of vobedit, its for the main title only but you can repeat the process for individual/extra titles
Basically doing all that is a waste of time.
The size difference between a 5.1 & 2.0 AC3 track is (not exactly but)100mb at best!
And that's not enough of a space savings to make any kind of difference in the video quality when shrunk down to a dvd5 from a dvd9.
When i have had some concert dvd's that i wanted to compress down to a dvd5 and it ONLY had a PCM track then i have converted it to AC3 then replaced the PCM with it using the same method ricardouk listed, using pgcdemux, vobblanker, etc.
NO, not as i did....
I don't know how much clearer i can make it but.....
i only converted PCM 2.0 to DD 2.0 because there was NO AC3 audio track, NONE AT ALL!!!
Read what i wrote again.....
OK, I don't know exactly what the point is, but I compressed the 2.0 pcm to 2.0 ac3 (as you did ?), then I muxed it with the video. The original dvd also had 5.1 ac3 audio, which I did not remux.
The runtime is around 2:20, so I gained more than 1,5 GB by removing the pcm.
So I used Vobblanker, replaced the main movie. Then I tried to replace the other titles. The software asked me if I want to update the IFO (because of the new audio), I pressed OK but then I could not proceed to replacing, as the process button didn't get activated.
Then I checked the DVD files and they had a weird size, some 1,7 GB instead of 6 GB.
If the IFOs are updated right, I could rename and replace VOBs of the rest of the titles. (I did something similar before and it did not work.)
Maybe VIDEO_TS.ifo would need an update too, I just have no idea how to do it.
Noahtuck was simply saying that you needn't go to all that bother, just take out the pcm audio & leave the 5.1 ac3 as is. Why do you want to convert the 5.1 to 2.0? As Noahtuck has said, the space savings is negligible.
Last edited by emodio80; 19th Jul 2011 at 09:54.
And then you won't have to Re-encode ANYTHING, just remux, like Noahtuck was saying.
and while you're at it, download the free 30 day trial of dvdlab and create some "cool" animated menus and buttons for your dvd, or you can use some of the dvdauthor gui's
another aproach would be to let avs2dvd remux/author your dvd, it wont convert your titles, you can create some fancy animated menus with it
The best method (IMO) to dismantle the DVD structure & make changes & reassemble (keeping menus) is:
1) PGDemux to demux to separate video, audio, chapter list, subs (if applicable)
2) Convert your pcm audio to 2.0 ac3 (with Aften WavToAC3 Encoder)
3) Reassemble video, audio & chapters with Muxman
4) Add back the menus with VobBlanker
It's fairly easy, and if there's no subs you're laughing.
(PS: I "think")
If there is one and only one PGC in the VTST domain containing the title you want to convert, there is an easy way to export, reauthor and import the title.
You have to demux the PGC with PgcDemux, and create the cellstimes.txt file (that contains the chapter points, needed later). Then, you can convert the audio to any format compatible with the DVD-Video standard, and remux the title with MuxMan. Don't forget to import the celltimes.txt file in muxman to recreate the chapter points. Finally, in PgcEdit, select the original title and use File -> Replace VTST Titles. Your newly authored title should have the same number of cells than the original title, and therefore PgcEdit should accept to rebuild the exact same structure than in the original DVD. The rest of the DVD will be kept unchanged, and the chapter menu (if any) should continue to work as expected.
(It is theoretically also possible to use that method to replace several titles in the same VTST domain in one operation, but it is more complex to remux them correctly with Muxman.)
Ive got hardware problems now, so my project came to a halt.
But I would like to note that downmixed 5.1 does sound worse on my TV than 2.0.
On my previous tv downmixed 5.1 sounded better, so I think it depends quite a lot on the audio qualities of the TV one has.
No. The stream definitions are copied as they are in the remuxed DVD. Of course, if there are changes in the number of streams, or in their order or languages, you have to edit the audio and/or subpic menu to take the differences into account.
I wrote Import VTST Titles just to be able to easily import a remuxed title, with some modifications (of course), but no change in the number of cells and chapters. You can use it, for example, to remove studio logos at the beginning of the movie (I do it often with DVDShrink in reauthor mode), or to change or add some streams.
Well, yes and no. It depends of the situation and what you have modified.
For example, if you demux a title with 3 streams, say "en", "fr" and "es", and then you remux them in a different order ("fr" then "en" and "es"), then the menu button to select English will select French, and vice-versa. Terrible!
Similarly, if you delete a stream (say "en") that is before other streams you want to keep, the remaining streams will be shifted. In my example, the English button will select French, French will select Spanish, and Spanish will select nothing!
Of course, if you remove the last stream(s), or if you insert a new stream after the original streams, or if you change an existing stream without changing its language, the problem is less important. But anyway, I recommend to hide the menu buttons that select streams that are not available any more, as it is confusing to leave do-nothing options in the menus.
IIRC, VobBlanker can remove a physical stream from the VOB files, but it will not remove it from the list of streams in the IFOs. That means that, from the player "point of view", the stream still exist, and can be selected and played. Of course, nothing will be played, but there is no real need to fix the menu buttons. In the other hand, when you replace a VTST title with PgcEdit, as I said above, PgcEdit replaces the streams definitions with the ones from the imported IFO. Therefore, you have to take care of the number and order of the streams when you remux the title, or you will have to fix the navigation manually.
Note that if you don't want to fix the nav, when you remux the title, you can also insert short dummy streams at the places occupied by the removed streams, just to keep the remaining streams in order.
Or you can also add "gaps" in the stream list with PgcEdit. (Open the PGC Editor, copy the streams that have been shifted to their original position, declare the removed streams as "none", then go to Domain Stream Attributes, and do the same thing.) However, note that the "gaps" are known to cause problems to some players. It has been reported several times that the user cannot select the streams that are after a gap with the remote. But the menu still works, and that problem concerns only some rare players. To avoid it, you can use an existing stream definition to fill the gaps. In my example, you can use the "fr" stream to fill the gap of stream 0, and you will have finally "fr", "fr" and "es". The French and Spanish buttons will work as expected, but you will select French if you use the English button. I'm not sure it's less good than selecting a stream that doesn't exist any more.
Of course, this discussuin is only theoretical. If you just want to transcode an existing stream from PCM to AC3, then be sure to remux the streams in the correct order, and everything will be fine.
Last edited by r0lZ; 26th Jul 2011 at 05:12.
Thank you, r0lZ!! Very nicely explained, I appreciate it!