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1. Comment - Blu-ray looks to spice up discs with Profile 2.0

   (Mar 22, 2008 - 5:52 AM)

   from your same search that says what I did only better :)
   Actually, you can tell the difference if the 1080i source is:
   a) Truly interlaced (each field is temporally unique)
   b) Full of horizontal motion
   
   So, you can see the difference in a sports broadcast with text scrolling left to right on the bottom. Each field is really only 540 lines. This field is scaled up to 1080 lines (if you have a 1080p panel, otherwise, its probably 768 lines). The problem that shows up with scaling each field up to full screen is that the flat tops of the letters seem to bob up and down due to the 1/2 line offset between the field pairs. So you will see horizontal lines sort of shake at the tops.
   
   A more sophisticate deinterlacing algorythm will combine several fields to a single frame. This eliminates the shimmer on horizontal lines, but usually gets it a little wrong for text scrolling sideways. Side-scrolling text is extremely hard to deinterlace. The main issue is that motion vectors can get confused with side-scrolling text. So errors will show up with the edges of the text in this case.
   
   1080p content skips all of this issue by having no fields, just full size frames. Some 1080i content is really 1080p content that sends half the lines at a time. In other words, the fields are not temporally unique. This sort of content is extremely easy to deinterlace to a 1/2 frame rate 1080p.

2. Comment - Blu-ray looks to spice up discs with Profile 2.0

   (Mar 22, 2008 - 5:43 AM)

   You are wrong the biggest difference most of the people who know about tv's is 720p is better for watching sports and 1080i is better for still images or slow moving 1080p is the best from both. Come on thats easy common knowledge. By the way I also own a 57" 1080i tv as well.

3. Comment - Blu-ray looks to spice up discs with Profile 2.0

   (Mar 20, 2008 - 4:32 AM)

   Some of these post make me lol. For those of us that can afford nice tv's and bd players we get a picture that is full hd and amazing. If you cant afford it fine but dont complain online come on get your kmmm off the net and make some money to buy one or to choose not to. Hey mabey its not that important to you the fact is its better and some people like better as opposed to worse or ugly :) And the guy who said the human eye cant see the diffrence from interlaced and progressive scan you my friend are wrong. by the way alot of people who had vhs players said the same things about dvd's when will you ever learn technology changes all the time the prices come down and things get better period!

4. Comment - DivX is coming for Blu-ray players, while PS3 could lag behind

   (Mar 12, 2008 - 8:09 PM)

   The fact is Sony can just update there firmware as they do all the time. Divx is on the PS3 already and is a certified Divx product. Sony will not let the ps3 lack in anything blu-ray trust me. The fact that every PS3 has an OS and HDD and Blu-ray and ethernet plug as well as very nice cell and rsx chips to code and decode make PS3 a great choice as a BD player period!!