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Author
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Topic: Audio CD's and CR-d's
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Joe Beres
Jedi Master Film Handler
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Posts: 606
From: Minneapolis, MN, USA
Registered: Nov 2000
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posted 12-01-2001 01:14 PM
Some older cd players won't play cdr's, but i'm sure almost all new cd players will. Here's an interesting story though: A friend of mine has a Sony DVD player, not sure about the model, but it's maybe a year old. It plays cds and vcds with no problem, so he thought. He acquired a burned (cdr) vcd on ebay, but it absolutely would not play on his player. He went back to the seller, who told him that Sony DVD players actually block most burned vcds, but that the vcd encoded differently would play. Sure enough, the guy burned a new disc and it played fine. So i think that Adam is correct. There are a lot of weird things being built in to the software of dvd players to help prevent piracy. I'm sure there are more to come. I think the next time I buy a dvd player, I'm going to get one of the doctored "region free mulitistandard" players available overseas. (I know they're available in the UK, Michael.)
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Steven Gorsky
Expert Film Handler
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Posts: 146
From: Frederick, MD, USA
Registered: Sep 2000
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posted 12-01-2001 09:05 PM
The dyes used in CD-R discs are "invisible" to the laser wavelength used for reading DVDs. Exceptions to this are dual optical pickup players. For more info see here for a list of players, and if they can play CD-R, CD-RW, etc. Please note that something about this page can cause Navigator to choke on it. Also check-out this faq.On audio players and CD-Rs it is not just reflectability, but the combination of the cd burner used, the particular dye used on the CD-R, software, and of coarse the player. All of this came up a month or so ago on another board I visit. Steven Gorsky
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Brad Miller
Administrator
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Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99
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posted 12-01-2001 09:16 PM
For what it's worth, no one has mentioned this all important tidbit...try "closing session" on your burns. I have found that every cd player more than about 5 years old can not read a CDR or CDRW if the disc is not closed (prevents any further data from being written to the disc). As cheap as discs are nowadays, there is no reason not to close it.On the other hand, my DVD player (and other friend's DVD players) cannot read a "closed CDR or CDRW" disc, but they can read an "open" one just fine. In my experience the speed of the burn makes zero difference. Only the open/closed session does. Maybe I'm full of it (admitting I do not know technically why this is the case), but I've found these results to be 100% consistent in my travels. Regarding VCDs, I've never burned a VCD disc and do not even own one to play.
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