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Message: <blockquote data-quote="tshirtZ" data-source="post: 15891235" data-attributes="member: 371199">There are two main flavors of high definition TV, 1080i (the i is for  interlaced) and 720p (p for progressive).  1080i offers the most  pixels, with a matrix of 1920x1080 pixels, while 720p has fewer pixels  at 1280x720 pixels.  However, the difference is made up with the frame  rate, which is only 30 frames per second with 1080i, but is double that  with 720p, at 60 frames per second.  The total pixels displayed per  second is actually very similar, with 720p offering 55 million pixels  per second, while 1080 is slightly higher at 62 million pixels per  second. What does all that mean?  It all depends on the type of TV you  watch.  720p is better at showing pictures with plenty of motion, since  the higher frame rate helps smooth any quick motion on the screen - this  is better for sports or action movies.  1080i offers more detail, which  is for movies with lots of images or panoramas. The best of all is the 1080p option.  It offers the best of both  world, 60 frames per second at 1920 x 1080 pixels.  The toal bandwidth  is 124 million pixels per second, double that of 1080i.  It can display  any HDTV signal without any downconverting.  720p signals are  upconverted, while 1080i signals only require some gently  "de-interlacing" to work properly.  1080p is the perferred option is  possible - its backwards compatible with all old formats, and is ready  for upcoming high definition discs.</blockquote>

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