Re: [dvd::rip] dvd::rip audio out of sync by ~200ms?

I seem to be having the same problems with a very small but consistant delay 
between the video and the audio lagging behind. The .vob's that get ripped 
played just fine with out any delay. But when I transcode using dvd::rip the 
resulting avi's have the problem. 

Interesting enough Xine does a fairly good job at droping frames and the lag is 
almost not noticable but aviplay there is a definite delay. 

I've tried different cropings and clippings and with different transcoding 
options and all getting the same result. I'm using the divx4 codec and was 
suspicious that might be the problem. 

I can use divxripper which seems to use the divx3 codec on the .vob's that 
where ripped with dvd::rip and there is no delay but the video quality is not 
near as good as the transcoded avi's using dvd::rip with divx4. 

Anything that you can suggest I do to get the same video quality but with out 
the delay using dvd::rip would be great. 

Thanks,

Charlie

P.S. Sorry Christian, I ment to reply to the list and not directly to your email



In a message dated Fri, 18 Jan 2002  3:30:46 PM Eastern Standard Time,

Christian Lambert <clambert@xxxxxxxxxxx> writes:



> 
> I have been having problems with most movies that I ripped

> with DVD::rip that the audio is out of sync by ~200ms.

> The movies I ripped are all NTSC 24fps format.   The sync

> doesn't change throughout the movie so at least if I ajust

> it in mplayer it will be ok.   Now I tried to play around with

> avisync but to get a 200ms delay I should in theory be inserting

> a few frames of audio, but I find myself inserting much much more

> than that to get it in sync, sometimes 24 frames to get the

> equivalent of 200ms delay.

> 
> Now I'm trying to chase down where this delay could be coming from,

> I'm not sure if it's transcode or libdvdread.    I know that the AC3

> contains some sort of "delay" info that normally the player (or

> encoder) should follow to make sure the audio is in sync, so maybe we need

to

> extract that value and apply it before starting the rip?

> 
> Could I re-ajust the sync by using transcode by doing a direct copy

> of video and audio and specyfing an audio delay (instead of using what

seems> to be the buggy avisync program)?

> 
> -Christian

>