... continu-ii Table of ContentsAbout the Author Keith Jack has architected and introduced to market over 25 multimedia ICs for the PC and con-sumer markets. Currently Director of Product Marketing ... costs. This trend has led to the development of DVD players, digital settop boxes, digital television (DTV), and the ability to use the internet for transferring video data. Video Data Initially, ... Captioning, Teletext, and V-Chip. With the introduction of digital transmission, the closed captioning, teletext, and vio-lence blocking (“V-chip ) standards had to be redefined. • Interactivity....