Originally Posted by
YmoBeThere
I will do my best to explain. With the advent of better TV's so that they can show much better pictures(High Definition), the makers of digital media realized they could offer a much better viewing experience by moving to these higher definitions. There are several "levels" of high definition, 1080p, 1080i, 720p, etc. This gets into a longer conversation, so I will summarize by saying higher numbers are better and p is better than i.
Your regular TV made 5-6 years ago and what TV is broadcast in now (generally) uses 480p. Your current DVD player uses this 480p format also.