Blu-ray DVD frontpage size

[roscoeren]

One of my BD's front paper is damaged and I am going to print one to replace. I got the art file but I don't have any BD on hand now. Could anyone help to measure one for me?

Thanks!!!

[RiseDarthVader]

It measures 27 cm across and 15cm up. Note this is for the AUS/UK "fat" cases. And remember it is not called Blu-ray DVD that would be like calling DVD a DVD CD.

[blu-mike]

AH AH AH its BLU-RAY Not BLU-RAY DVD.

[tlmaclennan]

Isn't it still a DVD? A Blu-ray Digital Video Disc...

[dadkins]

Originally Posted by tlmaclennan

Isn't it still a DVD? A Blu-ray Digital Video Disc...

No.
Blu-ray Disc... BD for short.

[tlmaclennan]

I know that Blu-ray is just Blu-ray Disc, but technically it still is a Digital Video Disc. The only difference between DVDs and Blu-rays is the quality of the video and the capacity of the disc, but they still are the same basic idea...digital video stored on a disc. We just don't call them Blu-ray DVDs so that Blu-ray and DVDs are distinguished from each other.

The average consumer wouldn't buy Blu-ray if they thought that it was a "DVD", they wouldn't see the difference.

[RiseDarthVader]

But do we call DVD a DVD CD? Because you know DVD is a Compact Disc after all............

[lch]

http://en.wikipedia.org/wiki/Blu-ray_Disc
http://en.wikipedia.org/wiki/DVD

[tlmaclennan]

I'm not saying that we should be calling it Blu-ray DVD CD, but to say that Blu-ray, DVD, and CD are all entirely different is technically wrong. Yes they use different technologies to get more capacity on the same size disc allowing for more HD video and audio, but they are all still on the same type of disc. They are all on an optical disc storage medium, as Wikipedia points out.

Just because new and more efficient lasers are used doesn't mean the disc has changed much.

[Dynamo of Eternia]

The guy asked for help with measurements to print up a case cover... not a semantics arguement.

[tlmaclennan]

And his question was answered, what does this discussion hurt?

[dadkins]

Originally Posted by tlmaclennan

I'm not saying that we should be calling it Blu-ray DVD CD, but to say that Blu-ray, DVD, and CD are all entirely different is technically wrong. Yes they use different technologies to get more capacity on the same size disc allowing for more HD video and audio, but they are all still on the same type of disc. They are all on an optical disc storage medium, as Wikipedia points out.

Just because new and more efficient lasers are used doesn't mean the disc has changed much.

On a CD player, you cannot play a DVD or a Blu-ray Disc.
On a DVD player, you might be able to play a CD(Most do), and you can play DVDs but not Blu-ray Discs.
On a Blu-ray player, most will play CDs, DVDs, and of course - Blu-ray Discs.

To say they are the same is wrong.
They are all 12cm optical discs.
They are all different in format, what they can do, and the storage capacities.

Here is a disc.
Why doesn't this play in my DVD player?
Because - it's a Blu-ray Disc.

[tlmaclennan]

Understandable, but I don't think you get what I'm trying to say.

Let's just assume that each format did not contain it's definition in the name. Such as maybe each disc format was named after its inventor. For this example, let's just say that Blu-ray = Smith's Disc, DVD = Johnson's Disc, and CD = Madison's Disc.

The Smith, Johnson, and Madison discs are all compact discs...such that it is not a hard drive in which you have a bulky storage medium. They are thin layers of aluminum attached to a thin plastic disc for structural integrity.

Now only the Smith and Johnson discs are Digital Video Discs, or DVDs. They are used to store Digital Video. Technically the Madison discs can also store video, but not at the same quality as Smith and Johnson disks. This is because the Smith and Johnson discs can store more data due to the better lasers.

The ultimate disc is the Smith. It can hold the most data, thus it is best for the high quality video.


You see, the discs are virtually the same. I say virtually because Blu-ray incorporates a protective coating to avoid scratches, and the overall thickness may differ for each disc format. And yes, you can't take a Madison disc and use the blue laser to make it a Smith disc...the layers are designed to be used with their corresponding laser. But all in all the discs are the same technology.

The differing technology is the LASER used to read and write the data. As the wavelength gets smaller, the capacity gets larger. We essentially have figured out how to cram more data onto the same size disc.

I'm not saying that you can play a Smith disc on a Johnson or Madison player, the players are different technologies. But the discs are not. I think the confusion is that it's common knowledge that when someone refers to a DVD they are talking about the Johnson disc, with only a few GB of storage and used for videos. That's becasue the name includes the definition. But the definitions DVD and CD can be applied to all three formats.

I realize none of this matters, but I'm quite bored at the moment.

[dadkins]

Different materials are used and you cannot read a Blu-ray disc with a red laser.
The physical laser itself has to get closer and focus finer to *burn* a different material.

BDs also have different compositions - like the hard coat.
DVD RAM is different too - reading and writing require a drive capable of using them.
CDs cannot be used for DVD RAM discs - won't work.
DVD-R discs can't be used either.

Size is but one aspect of the different discs.
12cm is where the similarity ends.

Now, you can use the term "Optical Disc" and apply it to all of them.

[tlmaclennan]

Ok, then they are all optical discs.

[dadkins]

Originally Posted by tlmaclennan

Ok, then they are all optical discs.