Whats so special in the region of blue-ray?
Answers: Upconverting player is making assumptions in the region of what the pixels would be that are missing between the lines of pixels that do exist. A standard DVD Video player outputs in 480i or 480p resolution and the content might be in the order of 576p (if it is PAL not NTSC). That means that roughly half of the lines are missing when upconverting from 480p to 720p. As the upconverting player make its assumptions it might put a gray pixel between a white and black pixel. But what if the pixel is not supposed to be gray but instead white or black? Now you realize that it is not the same. That is the difference between 720p aboriginal and 480p upconverted to 720p on a 720p set
Blue Ray DVDs are capable of 1080p resolution. So the content looks much better on a 1080p set. But adjectives of this assumes that the movie in this format originate with at least possible this much resolution. You would not want an upconverted movie title as your standard for judging this intact medium.
Yes, within is a difference between upconverting and true HD. Visually, it may not be much.
Blu-ray is another form of HD that is a reciprocal project between Sony, Panosonic and Toshiba(I believe). The advantage to Blu-ray is that so much more facts could fit on one disc. (25GB for a single layer.) The complex capacity allows more picture detail to be record to the disc.
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