LaCie d2 DVD
±
RW Drive
User Manual
page 13
Introduction
■
DVD and CD Media Format Definitions
DVD+RW Discs
❖
Best suited for: backing up and archiving digital con-
tent.
❖
These discs are functionally similar to CD-RW and
DVD-RW discs, but utilizes the same recording
techniques as DVD+R.
❖
Incorporates the Direct Overwrite (DOW) system,
allowing data to be written directly over existing data
in a single pass.
DVD-RW Discs
❖
Best suited for: backing up and archiving digital con-
tent.
❖
These discs serve the same general purpose as CD-
RW media, but with 4.7GB of space versus 650MB.
❖
Discs can be written and erased up to 1,000 times.
DVD+R Discs
❖
Best suited for: recording DVD videos, storing mul-
tiple photo albums and data DVDs under 4.7GB.
❖
These discs have the same write-once concept as
CD-R media, but with 4.7GB of capacity versus
700MB for CD-R discs.
❖
DVD+R supports “lossless linking” and the com-
bination of Constant Angular Velocity (CAV) and
Constant Linear Velocity (CLV) recording tech-
niques.
DVD-R Discs
❖
Best suited for: recording DVD videos, storing mul-
tiple photo albums and data DVDs under 4.7GB.
❖
These discs are also functionally similar to CD-R
media, and have the same capacity as DVD+R discs.
❖
There are two types of DVD-R discs: DVD-R Gen-
eral, which are intended for home applications, and
DVD-R Authoring, which are intended for profes-
sional DVD-Video development applications.
DVD+R9 DL and R-9 DL (Double Layer) Discs
❖
Ideal for: recording high-quality DVD videos, back-
ing up and archiving large data DVDs.
Format
Type of Disc
Write Speed
Capacity
DVD
DVD±R DL
16x/12x
8.5GB
DVD±R
22x
4.7GB
DVD+RW
8x
4.7GB
DVD-RW
6x
4.7GB
DVD-ROM (Single and dual layer)
--
4.7/8.5
GB
CD
CD-R
48x
700MB
CD-RW
32xv
650MB
CD-ROM
--
--
1.5. Supported DVD and CD Formats
