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-   -   KVCD NTSCFilm - audio that is six seconds longer than the video? (http://www.digitalfaq.com/archives/encode/5487-kvcd-ntscfilm-audio.html)

Mr. Kravitz 09-09-2003 03:14 PM

KVCD NTSCFilm - audio that is six seconds longer than the video?
 
I've been working with VCDs for almost two years now. I've always used the regular VideoCD (NTSC) template in TMPGEnc and I've never had a problem. However, any time I've attempted to Force Film in DVD2AVI and use the NTSCFilm template, I invariably get audio that is six seconds longer than the video. So I've just stuck with the regular NTSC (at 29.97 fps).

I started messing around with the KVCDx3 template a few nights ago, and I'm seriously impressed. The ability to fit two hours on one CD in itself is amazing, and the better video quality is a nice bonus.

The problem is that I'm still getting the extra six seconds in the audio. I've tried everything I can think of to fix it.

I've searched this forum to see if anyone else has had this happen (many have), but I still haven't found a way to correct it.

I've used the Time Warp feature in GoldWave to make the audio the same length as the video. This helps, but about midway through the film it slowly starts going out of sync until, at the end, the audio is almost two seconds off.

In DVD2AVI I'm using Field Operation-->Forced Film and Dolby Digital-->Demux (I've also tried Decoding). In HeadAC3he I'm following Red-M's guide (and resampling to 44.1).

I'm sure I'm overlooking something so simple I'll feel like an idiot when I finally figure it out.

If anyone can help me, I'd really appreciate it.

kwag 09-09-2003 05:37 PM

Hi Mr. Kravitz,

Try this:

Use DVD2AVI 1.77.3.
Encode your audio with HeadAC3he.
Mux with BBMpeg, using this screenshot as a guide:

http://www.digitalfaq.com/archives/i.../2002/12/5.jpg

-kwag

Mr. Kravitz 09-10-2003 04:02 AM

Hello, Kwag! Thanks for replying..

Unfortunately, it still doesn't seem to be working.

I tried doing the 3:2 pulldown, too. This brought it in sync, but it messed the video up. (I'm using the KVCDx3 MPEG 1 NTSCFilm template, by the way.)

I'm almost positive that I'm doing something wrong in TMPGEnc. Is there a very detailed guide that explains each setting that should be used in this program?

Again, I appreciate your reply, and the assistance.

incredible 09-10-2003 06:47 AM

Quote:

Originally Posted by Mr. Kravitz
I tried doing the 3:2 pulldown, too. This brought it in sync, but it messed the video up.

What happend? How was the video messed up?

You wrote:
Quote:

In DVD2AVI I'm using Field Operation-->Forced Film ...
Well that means you will get the real 23,97 stream on your disk.
In another line you wrote:
Quote:

So I've just stuck with the regular NTSC (at 29.97 fps).
That sounds strange, converting a 23,97 to an 29,97 to build a KVCD Video disk ...

If using a mpg1 VCD Film template you can directly encode to 23,97 (I think so, just open a standard TMPGEnc template to compare it with your 3xKVCD one)

And in the case of mpeg2 (cause you said that you did the pulldown)
How did you set the "Pulldown while playback" in TMPGEnc?

Like this?:
http://www.kvcd.net/forum/viewtopic.php?t=5729&start=3


Well but basically, these standards of VCD and SVCD refer to 23,97:

(Quote www.vcdhelp.com)

Quote:


VCD:
Video:
1150 kbit/sec MPEG-1
352 x 240 pixels
29,97 frames/second NTSC Video
23,976 frames/second NTSC Film

Audio:
224 kbit/sec MPEG-1 Layer2

SVCD:
Video:
max 2600 kbit/sec MPEG-2 (Audio + Video bitrate max bitrate is 2778 kbit/s).
480 x 480 pixels (CVD 352x480)
29,97 frames/second
23,976 frames/second with 3:2 pulldown (NTSC Film)
with up to 4 Subtitles

Audio:
from 32 - 384 kbit/sec MPEG-1 Layer2
with up to 2 Audio Tracks






Mr. Kravitz 09-10-2003 05:55 PM

Quote:

What happend? How was the video messed up?
Sorry...It's interlaced. I should've mentioned that.

Quote:

That sounds strange, converting a 23,97 to an 29,97 to build a KVCD Video disk ...
Actually, it wasn't KVCD, but just the regular VCD NTSC template in TMPGEnc. And it may seem strange, but it's always worked just fine for me.

Quote:

And in the case of mpeg2 (cause you said that you did the pulldown)
How did you set the "Pulldown while playback" in TMPGEnc?
I was working with MPEG1. I was just testing some settings. I checked "3:2 pulldown" in the Advanced tab. Doing this brought the audio and video in sync, but the video became badly interlaced (and using "Deinterlace" wouldn't help).

Later tonight, I'll post step-by-step what I'm doing. This might help illuminate what I'm doing wrong.

Thanks again, everyone.

Fistandantilus 09-11-2003 02:49 AM

When you use DVD2avi try this.When you load your file in don't put forced film on.Hit F5 and let it run for a few minutes.If the video doesn't go about FILM 97% than don't force it all.If it does go over 98% than you must force it.


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