Even though both CD and DVD disks have the same
media size and shape, the things they have in
common ends there. There are many different
things between the two, such as what they hold
and how much they hold.
Data pits and lasers
A disc has microscopic grooves that will move
along in a spiral around the disc. [...]

These days, technology is always available for any
inspiring musician to record, create, and even
duplicate CDs. The duplication of CDs will involve
CD-R media. CD-R media prices have dropped a lot
over the last several years, making them affordable
for anyone who wants to use them.
If your band is ready to start selling CDs, your
best option may [...]

The master CD or DVD disc, is the one you will
provide to your CD or DVD vendor for either
replication or duplication of the media. Below,
you will find some tips designed to help you
create a high quality master disc:
1. Always use the highest quality media that you
can obtain, as all media isn’t the same. [...]

Replication vs. Duplication – What’s the Difference and Does It Matter?
Typical information products contain CDs and/or DVDs as part of the package. When you’re working with a disc duplicator you’ll need to decide if you want to replicate or duplicate the discs you’re going to have produced. People want to know what the difference between [...]