Between 480 to 720, yes. If you were to compare a 720p component signal versus a 720p HDMI signal, then most likely no, or very little difference.
Go here and buy your cables, you'll thank me later.
www.monoprice.com.
Here's the one I bought:
6' HDMI cable
Don't ever pay $100+ for a Monster Cable, or similar name brand. I got my 6' cables from here, and paid $20.00 shipped. I had a set of Monsters I got from Best Buy, and compared the two when I got the monoprice one, and the monoprice one had far better construction. Besides, the signal is digital, so as long as it gets from one side to the other, the is no signal loss.
Here's a good forum to read up on:
www.avsforum.com
picture quality wise, there isn't a noticeable difference between component and HDMI. Reason why you need HDMI for your DVD player is because they need HDMI to upconvert DVD's from 480p. Component cables can do 1080p, just not from a upconversion dvd player.
Between 480 to 720, yes. If you were to compare a 720p component signal versus a 720p HDMI signal, then most likely no, or very little difference.
I have the 32" Samsung LCD. Wonderful set. HDMI cables are excellent and superior to component cables.
When buying digital cables you don't have to be as picky as with your analog cables because there is less room for intereference.
how do you figure they are superior??
The only thing better about them is that they are an audio cable aswell.
If you want to get technical I would argue that a component cable is far superior.
A component cable sends a true raw signal. What goes in is what comes out (when using a quality cable)
On the other hand when using HDMI what goes in one side is broken down and when it hits the other end and is put back together. Therefore giving you three opportunities to loose or get an altered orignal signal.
I would by no means call it superior.
And call you cable company. That's where I got my HDMI to HDMI and HDMI to DVI cables and they were free.
When buying digital cables you don't have to be as picky as with your analog cables because there is less room for intereference.
picture quality wise, there isn't a noticeable difference between component and HDMI. Reason why you need HDMI for your DVD player is because they need HDMI to upconvert DVD's from 480p. Component cables can do 1080p, just not from a upconversion dvd player.
Thats a little backward... HDMI/DVI are superior because they are digital (not just because they do audio too). As you said, digital signals are carried as 1 and 0s and interference would have to get very very bad to confuse a such a signal. Component cables carry constantly varying ANALOG signals that ARE subject to interference and must be kept clean for a great picture (and therefore you want a really good set of cables).
The original signal is not in component form. These days we all have digital cable boxes, receiving digital signals from the cable company. Why do they do the cable companies do that...? Because the digital signal isnt subject to interference. If you then send that digital signal direct to your digital TV you get the best result. Using component cables your box has to do digital to analog conversion.
The 4 dollar HDMI cables from monoprice are really nice. Plenty good enough. You wont see any improvement with a 100 dollar Monster cable at all.
http://en.wikipedia.org/wiki/Component_video#Y.27PbPr_analog_component_video
http://en.wikipedia.org/wiki/Hdmi
Thought all dvd players would only run 480, unless its a blue ray or a hd dvd playerNewer hdmi cables will carry digital audio too for true surround sound, not makeshift processed surround. Definitely worth the purchase over component cables
there are upconverting DVD players. mine up converts to 1080i.
Though most people that buy upconverters don't need them because most of the newer TVs do it.
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