Re: [transcode-users] audio and video cd

[Bruno de Oliveira Schneider <boschneider@xxxxxxxxx>]

On 12/14/05, Erik Slagter wrote:
> On Tue, 2005-12-13 at 10:09 +0100, Peter Chiocchetti wrote:
> > can anybody give me a hint: is there a way to make a CD, that can be
> > played both in a audio player and a dvd player, so that one sees the
> > music and the other sees the video?
> >
> > this may be offtopic, but I dont know where to start asking. I know
> > about blue book cds that combine music and data, but these are not
> > playable in a standalone dvd player, they require a computer, dont they?
>
> This is principally impossible. CD-DA uses no filesystem at all, only
> tracks with raw pcm data. OTOH DVD uses a UDF filesystem on the first
> track. It would be possible to put a UDF filesystem on track #1, and
> mark it as "data" and audio data on the other tracks, BUT some CD
> players are stupid enough to try to play "data" tracks. Also most DVD
> players do not recognise a "DVD" filesystem when it's on a CD medium
> (which is actually dumb, imho).

I have a few CDs that have audio and video. My DVD player seems to
recognize them as VCDs and CD players can play audio. However, as Erik
said, they try to play the data tracks as well, so I have to skip
those tracks manually on CD players.

Anyway, I can't help on authoring such disks.

--
Bruno de Oliveira Schneider
http://www.dcc.ufla.br/~bruno/