Thursday, December 3, 2009

If i connect my PC to my HDTV with a DVI to HDMI lead will i be watching HD?

A lot of people say you can only watch HD from blu ray disks, surely HD can be stored in other ways, even on a normal DVD? I have some HD movies on my PC harddrive so if i put a DVI lead from my PC into the HDMI port on the TV will i be watching HD?



If i connect my PC to my HDTV with a DVI to HDMI lead will i be watching HD?nba video





it depends on how you define HD first



true or full HD is 10 bit @ 1920 x 1080 @ 29.97fps



1080p that is 1080 horizontal lines many TV's claiming HDTV are only 1080i or 740p



1080i means it is interlaced so even though there are 1080 lines the TV only draws 540 then switches to the other 540



So if your TV is actually real HD the next problem is what is feeding your TV



normal DVD as produced by studio's are encoded as MPEG-2 (which also has 2 standards PAL %26amp; NTSC)



PAL is 567 lines and NTSC is 480 lines so no studio DVD is HD



yes you can increase this resolution on a DVD, but the DVD format (MPEG-2) is compressed so can not really ever be true HD



True HD is 10 bit @ 1920 x 1080 @ 29.97fps uncompressed



= 158 MB per/sec,



with a DVD dual layer storing 8.5GB thats only 55 sec of uncompressed HD you can store on a dvd so no DVD can really store HD movie



You can store much more on a PC so if your PC can read at least 200MB/sec and render 1080p to the DVI port yes you will see true HD on your screen



All this hype about HD and Plasma Vs LCD is kind of stupid. AS both technologies physically make a single pixel the manufacturing process is nearing it's limit, very soon new panels will be emerging where we go back to a form of CRT called SED, then plasma, LCD and 1080p will be forgotten.



In a CRT each pixel is made of an electron beam the pixels can be much smaller, giving better resolution. The original problem of maximum size of the screen and CRT depth has been solved by using an array of electron guns 1 for each sub pixel. So soon there will be a whole new generation of screens with much higher resolutions.



If i connect my PC to my HDTV with a DVI to HDMI lead will i be watching HD?pro basketball ,nba teams



If a lot of people say that then a lot of people are falling for Sony's hype (surprise surprise).



If you have a video file on your PC that fits the HD resolution specification (720 rows of data) then it is HD. HDTV really only corresponds to TV sets and information to broadcast to them - PCs have been capable of more than HDTV definitions for about a decade!



However, a normal DVD does not contain HD data, although its not far off. Whatever you watch on your HDTV will display at its native reolution. So to answer your last question - If you have HD movies on your hard drive, and watch them on your HDTV, providing its set up right, they will display in HD. They would anyway if you watch them on yourn PC monitor.
Ashypoo is correct, so I won't go into detail.....Your "recorded shows" will display in the resolution it was recorded in.....NO TV OR COMPUTER can enhance a Low Definition recording into a Hi Definition signal.....it will %26gt;%26gt;Display%26lt;%26lt; it at the resolution it was recorded in.......



Now that DVI to HDMI cable....believe it or not HDMI is actually DVI signal...no changes to the Video at all......



But DVI did not INCLUDE the audio portion of the signal....you needed a separate RCA cable for sound....HDMI is both Video and Audio....



So I hope the DVI end of your cable has a couple extra RCA audio connections attached to it, so the HDMI end has both Video and Audio going into it......
What the hell?? You're giving me a head ache.

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