6hr VCD on 1 DVD possible?

[zabeman]

bascially i want to know if it is possible to do 6hrs of VCD quality on one 4.3 gig DVD.

4300mb(dvd) / 650mb(cd) = 6.6 cds aprx

so i figure i should be able to put over 6 hrs of VCD quality video into 1 DVD and make it play on a STANDALONE DVD player right?

thanks

[mats.hogberg]

Yes, that'd be possible. In principle, just upsample the audio to 48 kHz, encode to MP2 again (or AC3) and author. But it's more like 4.37/0.7 = 6.24 CD, but still 6 regular VCD on one DVD.

/Mats

[Bricktop]

Yeah mate you can do this.
1. Use isobuster to extract mpeg
2. Tmpgenc to change audio to 48khz (Use SSRC)
3. Patch with DVD Patcher
4. Ulead DVD Movie Factory to create (oversized) video TS folder
5. DVD Shrink to bring video TS folder baCK to 4.3ish gig
6. Burn with your favourite burn software.
I have placed 3 svcds on a dvd routinely with great results this way but it really helps if your original files are of good quality.

Limitations of this method :-
Can only use video of the same origin ie PAL or NTSC. If you mix the type ulead will try to reencode taking ages and giving worse results.
Also could try Tmpgenc DVD author if ulead complains and visa versa.

Hope it works ok for you.

[Shudder]

Just did this with Tmpgenc Author.. having some possibly player-specific problems, but I was able to fit a good 17 22 minute episodes on a disc with room to spare. I believe VCD-quality mpegs can be stored up to around 480 minutes on a dvd.

[mmasw]

Bricktop laid out a fairly good method.

A couple of additional points.....In MF2, you may need to go into the Disc Template Manager and create a new template that matches vcd bitrate and resolution. Specifically, a bitrate of 1150Kbs with a 352 X 240 resolution. Otherwise it may try to re-encode the video.

Also, by using that new template, you can simply add your files and let MF2 re-encode the audio. It takes an hour or 2. I've done this a few times and it generally works well, although I have also had a couple of dvd's that had sections with audio out of sync.

Another point....if you were to re-encode the MPG-1 VCD, to MPG-2 at say 1250Kbs, 352X240, the final product will look better. MPG-2 simply has cleaner looking video then MPG-1. Takes longer, looks better.

but, once again, you may have some out-of-sync audio....no guarantees either way.

but that's what they made RW disks for.

[mats.hogberg]

re-encode the MPG-1 VCD, to MPG-2 at say 1250Kbs, 352X240, the final product will look better

Ahem... garbage in - garbage out. You can never increase quality by reencoding, regardless of bit rate or codec used. The very best you can hope for is as good as the source. Never better.

/Mats

[zabeman]

hey thanks guys for all your help, gonna try it.

if you guys can know of any more guides other than bricktops, please let me know. i'd liek to try all methods til i find a good one.

thanks again!

[mmasw]

re-encode the MPG-1 VCD, to MPG-2 at say 1250Kbs, 352X240, the final product will look better

Ahem... garbage in - garbage out. You can never increase quality by reencoding, regardless of bit rate or codec used. The very best you can hope for is as good as the source. Never better.

/Mats

I disagree . I'm not suggesting that re-encoding "increases" quality, nor did I say it. However, to my eye, and I believe to other eyes as well, MPG-2 simply looks and performs better on a TV then does MPG-1. I have done this with vcd video several times. Is the improvement significant?.....no; is it noticeable?....yes

your statement "never better" seems a rather silly assertion . For instance, you could have an MPG-1 video that is far too red and far too dark to be watchable. I could run it through TMPGEnc using various filters, convert to MPG-2 at an approximately equal bitrate and end up with video that was much better to watch then the source. And that's a fact.
Tehcnically, I didn't "increase quality". But I did make it look better which is all I asserted in my original post.

If you're going to disagree with me, at least disagree with what I specifically said, and you shouldn't speak in such absolute terms about video quality, there are far too many subjective factors at play.

[jimmalenko]

Ahem... garbage in - garbage out. You can never increase quality by reencoding, regardless of bit rate or codec used

WITHOUT FILTERS

. The very best you can hope for is as good as the source. Never better.

Just needed this clarification

[ZippyP.]

Regarding converting mpeg1 to mpeg2.....

An mpeg1 and mpeg2 encoded from the same source and using the same bitrate and resolution will look the same. Try it. Converting from mpeg1 to 2 and increasing the bitrate by 100 (ie from 1150 to 1250) seems to me to be a waste of time, the extra 100 kbps may only help make up for the re-encoding losses.

Now if the mpeg1 is very poor and you want to use some filters then I might see a point. 8)

[zabeman]

hey thanks guys for all your help, BRICKTOP, thanks for your guide, it helpd a LOT! and 1 more thing, only problem i am having is that the DVD is constantly goin out of sync. is there a program i can use to put it back to sync again? i think maby there is somethin on tmpenc i can do to fix the sync problem, if you can help me out with this let me know.

thanks again!

[mazinz]

if this helps, a long time ago when i was using the app spruceup, i made a vcd on dvd and it just barely fit, but the whole disc ran 7hrs 15mins (ntsc vcd content)

[tlian]

Bricktop,
Will your method works if the source vcd is in pal format
and the intended DVD format is NTSC,
If it is, what is the parameter to be set on the
Ulead MovieFactior and the DVDPatcher?

BTW, how to use SSRC as the plugin to TMPGENC, I can not find the
way to do it.

Thanks
tlian[/quote]