METHOD AND APPARATUS FOR TUNING A DIGITAL TELEVISION CHANNEL

摘要

There is provided a method and apparatus for tuning a digital television channel. More specifically, in one embodiment, there is provided a method comprising receiving a request to access a first digital television channel, downloading a first program map table ("PMT") (109) associated with a frequency of the first digital television channel, storing the first PMT, receiving a request to access a second digital television channel, determining if the second digital television channel is associated with the frequency of the first digital television channel, and creating a conditional access PMT (108) for the second digital television channel based on the stored PMT if the second digital television channel is associated with the frequency.