On 12/27/05, Tim <ignored_mailbox@xxxxxxxxxxxx> 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. Paul