i was curious if you downloaded a blu ray movie and played it on your hdtv 1080i if you get the same quality as you would with a blu ray player


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depends how the signal is received to the tv if its via scart then no but if its dvi or hdmi then yes


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yes and no. technically your tv is hd-ready 720p (1080i) and it will downscale any resolution higher than (ex1080p). on the physical aspect, if you're watching the blu ray(1080p) on a hd-ready (720p)or full-hd tv(1080p) with a screen size of 40'''''' and below, difference in picture quality is not significant. viewing it on hdtv that are 50'''''' and bigger screens like home theater projectors will obviously show a difference. however the quality can be similar by changing the seating distance (farther) for the 720p (1080i).


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there is more to image quality than resolution. in fact resolution is only the 4th most important determinant of image quality (after contrast, colour accuracy and colour saturation). as to resolution it isn't enough to only know the pixel resolution (e.g. 1920x1080 or 1280x720), but you must also know how the frames are drawn (p or i), the frame rate (e.g. 24, 30), and the bit rate. the latter is an indication of the degree of compression of the encoded image data (variations explain why some hdtv signals look much better than others despite all being displayed at the same resolution. it's analogous to how compressed jpeg images or mp3 files are recorded, where smaller (more compressed) files offer poorer quality when displayed or played back).

that all being said, hd files played from a computer, direct to air hdtv programming (better than satellite or cable hd programming) can look virtually indistinguishable from blu-ray ... particularly if the display is a smaller 720p or 1080i display (with the quality of the deinterlacing of the video chip in the tv being another variable). so, while downloaded movies can, in theory, be virtually indistinguishable from blu-ray disks, they are more likely to be somewhat inferior from a video perspective (and even more likely to be compromised audibly). the file size will give you an indication.


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i don't think its the same. i'm more particular to bluray players when it comes to watching hidef movies.

there is more to image quality than resolution. in fact resolution is only the 4th most important determinant of image quality (after contrast, colour accuracy and colour saturation). as to resolution it isn't enough to only know the pixel resolution (e.g. 1920x1080 or 1280x720), but you must also know how the frames are drawn (p or i), the frame rate (e.g. 24, 30), and the bit rate. the latter is an indication of the degree of compression of the encoded image data (variations explain why some hdtv signals look much better than others despite all being displayed at the same resolution. it's analogous to how compressed jpeg images or mp3 files are recorded, where smaller (more compressed) files offer poorer quality when displayed or played back).