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50 Everything You Ever Wanted to Know About DVD<br />
sure the disc isn’t dirty or scratched (see “How Should I Clean and<br />
Care for DVDs?”).<br />
3. Try the disc in a different player. (Visit a friend or a nearby store that<br />
sells players.) If the disc plays properly in a different player, your player<br />
is likely at fault. Contact the manufacturer of your player for a firmware<br />
upgrade. Or, if you bought the player recently, you may want to return<br />
it for a different model.<br />
4. Try a different copy of the disc. If the problem doesn’t recur, it indicates<br />
that your first copy was probably damaged or defective. If more<br />
than one copy of the disc has problems in more than one player, it<br />
may be a misauthored disc. Contact the distributor or the studio<br />
about getting a corrected disc.<br />
For other DVD and home theater problems, try Doc DVD or DVD Digest’s<br />
Tech Support Zone. If you have a Samsung 709, see the Samsung 709<br />
FAQ. For troubleshooting DVDs on computers, see <strong>Chapter</strong> 4’s “Why Do I<br />
Have Problems Playing DVDs on My Computer?” The Dell Inspiron 7000<br />
DVD Movie List (www.eaglecomputing.com/dvdlist.htm) has Inspironspecific<br />
problems.<br />
Table 1-1 outlines the problems reported by readers of the DVD FAQ. The<br />
author of this book has not verified these claims and takes no responsibility<br />
for their accuracy.<br />
How Do the Parental Control and<br />
Multirating Features Work?<br />
DVDs include parental management features for blocking playback and for<br />
providing multiple versions of a movie on a single disc. Players (including<br />
software players on PCs) can be set to a specific parental level using the<br />
onscreen settings. If a disc with a rating above that level is put in the player,<br />
it won’t play. In some cases, different programs on the disc have different<br />
ratings. The level setting can be protected with a password.<br />
A disc can also be designed so that it plays a different version of the<br />
movie depending on the parental level set in the player. By taking advantage<br />
of the seamless branching features of DVD, objectionable scenes are<br />
automatically skipped over or replaced during playback. This requires that<br />
the disc be carefully authored with alternate scenes and branch points that<br />
don’t cause interruptions or discontinuities in the soundtrack. No standard<br />
way exists for identifying which discs have multirated content.
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