Re: What is Digital Video Disc ?

Wed Jan 09, 2019 1:15 pm

digital versatile disc

Wed Jan 09, 2019 1:15 pm

quality digital video

Wed Jan 09, 2019 1:15 pm

DVDs are now rapidly making their

Wed Jan 09, 2019 1:15 pm

American homes as the state-of-the-art entertainment option for watching Hollywood releases.

Wed Jan 09, 2019 1:16 pm

Before going into the mechanics of how a DVD works, it might be best

Wed Jan 09, 2019 1:16 pm

why is the industry replacing previous storage-unit standards, including the CD ????

Wed Jan 09, 2019 1:17 pm

A high-quality digital video..

Wed Jan 09, 2019 1:17 pm

could simply never fit onto a CD.

Wed Jan 09, 2019 1:17 pm

It can't even fit comfortably on a computer hard drive.

Wed Jan 09, 2019 1:17 pm

Indeed, a high-quality digital video

Wed Jan 09, 2019 1:17 pm

format commonly used for playing video

Wed Jan 09, 2019 1:18 pm

one minute of visual data into about 30 MB.

Wed Jan 09, 2019 1:18 pm

Compare that to the maximum storage space of a CD

Wed Jan 09, 2019 1:18 pm

The encoding of data onto a DVD may seem like a black art

Wed Jan 09, 2019 1:18 pm

but it's really not that much different from encoding data onto a videotape.

Wed Jan 09, 2019 1:19 pm

A videotape stores and plays back information

Wed Jan 09, 2019 1:19 pm

arrangement of iron oxide particles on the material of the tape

Wed Jan 09, 2019 1:19 pm

A DVD similarly stores and plays information based on a particular

Wed Jan 09, 2019 1:20 pm

dot pattern" on its surface. A very precise laser burns these dots

Wed Jan 09, 2019 1:20 pm

Practically speaking, let's say I had a virtual reality project of 75 MB

Wed Jan 09, 2019 1:20 pm

If I want to release my project to the public

Wed Jan 09, 2019 1:20 pm

I'm going to need a reliable means for viewing

Wed Jan 09, 2019 1:20 pm

Thus, I need to place it on DVD, and not only on one DVD, but on thousands for distribution.

Wed Jan 09, 2019 1:21 pm

So I make a single DVD at home and then take my disc

Wed Jan 09, 2019 1:21 pm

Most of the optical industry service providers are, not surprisingly