General

* Myths related to bit budget
* Special codes for captions and descriptions

Speed

* Bitrates
* How fast can subpictures be displayed?

Subpictures

* Run-length encoding; subpicture data size
* Encoded picture lines
* Screen area
* Colour
* Aspect ratios

Audio
Nothing as yet. Mostly covered in Speed.

This is a long webpage about the finer parts of dvd authoring. Quick summary: "It's not easy."

--timball