[Disclaimer: my memory is kinda hazy on some things here. Prepend 'I think' or 'I'm pretty sure' to each statement which follows.]
CD-R, and CD-RW to a lesser extent, had it easy in that their standard formats are basically the standard iso9660 filesystem session, and that the CD-XA (multisession) specification went off without a hitch, thanks largely due to the oft-forgotten PhotoCD (the first real use of CD-R, and one of the would-be killer apps of CD-ROM drives if Kodak hadn't mis-marketed it so badly). The only problems with early CD-ROM drives reading CD-Rs was that many drives assumed physical things about pressed CD-ROMs which just aren't true with CD-Rs, so many pre-CD-XA drives physically can't read CD-Rs.
DVDs, however, have been completely crippled, filesystem-wise, by the playback protection and 'hidden track' bullshit added in by the MPAA. That's a HUGE chunk of what needs to be worked around. Add to that the way that multi-layer DVDs work (which is why many early DVD players can't grok CD-Rs, and why many modern cheapo DVD players let you play EITHER CD-Rs OR multi-layer DVDs), and you have an interoperability nightmare.
Also, recall that the MPAA doesn't want [country]-released discs being played in other countries, which is a non-issue but still a major nuisance for things in general, and I don't see the MPAA allowing "their" format to really be bastardized for purposes which - oh no - tear down borders and lead to world unity. After all, a unified world at peace has less discrete market opportunities (they really DO want you to have to re-buy The Matrix for every country you ever take residence in).
Gah, I'm feeling scatterbrained. But basically, CDs didn't have this problem because there wasn't all the political pollution going on behind it. I don't have to bet anything about new audio standards having the same problem - look at how the RIAA, having gotten "wise" to MP3s, are making DVD audio such a MAJOR pain in the ass to actually get implemented. And for what? An MP3 CD-ROM can hold 10 hours of music; AC-3-compressed 5.1-channel audio has a bitrate of around 192Kbit, and a DVD could hold what, 30 hours of a 192Kbit stream? Nobody will want to release - or have to pay for - such a dense disc! Most artists don't even come close to filling up the 650 megs available to them on a CD!
"Is not a quine" is not a quine.
I have a master's degree in science!
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