YMAA DVDs are a cut above the rest!
Professionally authored, with scene selections for every technique. Each DVD contains hours of content, and many have never-before-seen additional content, such as excerpts from Dr. Yang's seminars. Also is an interactive YMAA catalog of all products, including video previews! New titles and many best-selling videos will be available soon on DVD.
YMAA DVDs are authored with ALL regions encoding, in NTSC format, and will play on most newer PAL players worldwide!
For a Downloadable Document 292k PDF, discussing DVD Formats(CLICK HERE). This document is a 6 page excerpt from the book:
DVD Authoring with DVD Studio Pro 2, First Edition by Jeff Warmouth, Focal Press (2004)