Duplicating DVDs

[Anne Wilson]

On Monday 04 December 2006 17:54, Tim wrote:
> Alessandro Brezzi:
> >> Again speakìng of video DVD, the format is differen from that of a data
> >> DVD: even if you put in this only two directories audio_ts and video_ts
> >> with the data inside, your player refuse to play the resulting disc.
>
> Anne Wilson:
> > I'm not sure if you are speaking of something different, but I have made
> > second copies of home-mastered DVDs simply by burning those audio_ts and
> > video_ts files onto a new disk.  I've never had a problem playing them.
>
> They're supposed to be uppercase directory and filenames (I've, at
> least, one player that requires it).  

I use dvdauthor to create mine, and they are always upper-case.

> Also, the first file to be read is 
> supposed to be at the beginning of the disc.  You'd want the files to be
> written to the disc in order of play, so the laser mechanism doesn't
> have to hunt very far as it goes from one file to the next (some are
> awfully slow at doing that.  There's also some issue about padding.
>
> A burning program with a DVD-video creation option ought to take care of
> all that for you, just dumping files onto a disc in the hope that it'll
> work is taking pot luck.  It doesn't work well with some players.
>
Again, dvdauthor makes sure that they are in an acceptable form.  However, it 
was the later stage, of using the AUDIO_TS and VIDEO_TS directories already 
formed on the hdd to create a second copy that I was speaking of.  Those can 
simply be dragged onto a DVD-R or +R and the disk will be readable.  The work 
has already been done.

Anne
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