What's the difference between blu ray disc and a standard dvd?

I have just aquired a large screen tv and I will watch lots of movies on it but should I purchase a blu ray disc player or should I continue with my dvd player? I don't want to replace my library of dvds.What's the difference between blu ray disc and a standard dvd?
First off......There IS a huge difference, both in picture and sound. If you have a TV that is capable of showing a 1080P picture then it is well worth the money to get the Blu-Ray Player.



The first guy is correct in saying that a Blu-ray player will play your existing DVD's, but what he left out is that IF you have the blu-ray hooked up to your TV using an HDMI cable then you can set the unit to play only at 1080P which will also make you regular DVD's look better. Obviously they won't look as good as the Blu-ray disc.

For those people that can't see the difference.......chances are there is a problem with the setting on your unit, or they are not using the right cables, or the movie that they are watching was converted to blu-ray (HD) format instead of being recorded in it to begin with. Until this year almost every movie was shot with a standard def movie camera and then converted to HD. Now most movies are being shot in HD from the get go.



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What's the difference between blu ray disc and a standard dvd?
Standard dvd players use 480p disks and that's the max resolution they can display.



You don't say what resolution your tv has, but if it's 1080p, then you should get a Blu Ray player as it's disks are 1080p and therefore you see a much clearer picture.



Even tho your tv will upscale the 480 signal from the dvd player, it will use a fill in the lines methods and the pic will not be clear.



Blu ray players can play regular dvds so you will be able to use your collection.What's the difference between blu ray disc and a standard dvd?
Blu-ray Disc (also known as Blu-ray or BD) is an optical disc storage medium designed to supersede the DVD format. Its main uses are high-definition video and data storage with 50GB per disc. The disc has the same physical dimensions as standard DVDs and CDs.



The name Blu-ray Disc is derived from the blue laser (violet-colored) used to read and write to this type of disc. In part because of the shorter wavelength (405 nanometres), substantially more data can be stored on a Blu-ray Disc than on a DVD, which uses a red (650 nm) laser. A dual-layer Blu-ray Disc can store 50 gigabytes, almost six times the capacity of a dual-layer DVD, or ten and a half times that of a single-layer DVD.



During the format war over high-definition optical discs, Blu-ray Disc competed with the HD DVD format. On February 19, 2008, Toshiba鈥攖he main company supporting HD DVD鈥攁nnounced that it would no longer develop, manufacture, or market HD DVD players and recorders,leading almost all other HD DVD companies to follow suit, effectively ending the format war.



Blu-ray Disc is developed by the Blu-ray Disc Association, a group representing makers of consumer electronics, computer hardware, and motion pictures. As of December 21, 2008, more than 890 Blu-ray disc titles are available in Australia, more than 720 Blu-ray Disc titles are available in Japan, more than 1,140 Blu-ray Disc titles are available in the United Kingdom, and more than 1,220 Blu-ray Disc titles are available in the United States.

http://www.dvdhd-forum.com/viewtopic.php鈥?/a>
Tex gave a great answer - but let me add some warnings:



"I have just aquired a large screen tv ..."



Is this a HDTV or a standard def Rear Projection TV?



A BluRay player will work on both - but you will not see the glorious high-def video on a standard def 'big screen'. It's almost NOT worth buying a blu ray player unless you have an HDTV.
I can barely see the difference. It's a better quality movie. I guess if you want to spend the $300 for the player it would be worth it. FYI, I blue ray player will also play your DVD Movies.
Just keep your old DVD player. Blu ray is better quality and definition, But you're gonna spend a lot of money replacing those other movies.
blue ray is high def and comes in a lot clearer