OT: what speed to choose for DVD disks

Paul Smith phhs80 at gmail.com
Tue Dec 27 22:21:25 UTC 2005

On 12/27/05, Tim <ignored_mailbox at yahoo.com.au> wrote:
> > There are in the market several DVD+R disks, with different speeds.
> > What should it be the criterion to choose the DVD disks? Of course,
> > the fastest one should be the elected, but does not it pose a problem
> > of compatibility with the players? For instance, with 8x disks, my
> > computer DVD player gets very noisy (although working fine). Can it
> > damage the player?
> The drives (recorders and readers) will only spin discs as fast as the
> drive is able to, and only as fast as the disc allows during burning
> (burners read the information on the blanks, and work with them
> accordingly).
> Going back to CDs, tests by manufacturers showed that they started to
> deform around 50x speeds, and break at higher speeds.  Yet they produce
> drives running up to those rates (50x).
> Burning discs at higher speeds often means that they're less readable in
> some drives.  That may not be a problem for you, but for some people
> they find that 4x burnt discs play okay, 8x burnt discs don't (in other
> players).  Such problem discs are hard for players to focus on, they'll
> hunt the focus servos around trying to see the disc, and slow the disc
> spin rate down to try and help.
> It's been a long time since I've heard of players having problems
> because they've slewed the focus mechanism around a lot.  Very early
> audio CD players were known to blow their fuses doing that.  But that's
> going back something like twenty years.

Thanks, Tim, for your detailed information.


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