We are able to edit movies with all the digital tricks:

• Time stretching where the movie goes into slow motion or speeds
• Titling
• Still frame where the movie halts on a frame for fade-in, fade-out, or effect in middle of scene
• Soundtrack where voice or music overlays are added to the movie
• Scene fades or special effect “fades”

Then there is DVD creation. DVD’s can be created in the old 4:3 format or the new 16:9 format. DVD can be set to play when inserted, set to hold an image and not play until the start button is pressed, or have chapter menus where you can select a specific portion of the DVD to play.

The common recordable DVD’s use a laser reactive dye to record the signal on the disc. For that reason they do have a “shorter” lifespan than the commercial discs. Interestingly, the restored classic movies while computer enhanced, are restored to photographic film. The first reason being that the newer plastic photographic films have the longest shelf life of any media. The other being that over the last couple decades the algorithms for recording digital video have changed so much than in a few more decades playback of restored films digitally may be difficult to to software changes.