I see that Encore has a feature to prevent copies being made of your DVD. Whenever I try and use it with one of my DVDs, it says its not compatible. What type of DVD allows me to use this feature? Thanks!
Ahh, a little more digging around and I've discovered that encore's option to "copy protect" dvd's is to let replication houses know what kind of protection you want. It doesn't actually do the protecting... Tis a shame...
Honestly I don't think it matters much. When I can take home any mass produced DVD from any large studio and rip it to my HDD with free software, I don't see how something like Encore (or DVD-A or any other low end authoring program) could hope to provide any sort of better protection. If people want what is on that DVD, they will get it.
There is copy-protection software for DVD-Rs that I know of. Besides the CSS and macrovision protections built into the spec, I know that Sony has some software encryption service but it relies on on replicating your disc at the factory. I doubt that they even sell it for anything less than hollywood block-buster films.
Right now there is no copy protection on DVD-rs available for that kind of work you're doing.
Even if you did find some protection scheme, most software that copies discs works around it very easily. You really can't do anything about it. Sorry.