| Q: |
I’m
using a Panasonic DMR-E30 or DMR-HS2 to make a master DVD to be used in
a DVD Duplicator. What kind of media should I use for the DMR-E30 or DMR-HS2? |
| A: |
If using a
commercial recorder like a Panasonic DMR-E30 or DMR-HS2 to make a master
DVD and planning to use that master in a DVD duplicator, a Samsung BeAll
DVD-R disc needs to be used for the master. This is the only media that
seems to work as a master from these recorders. A customer whom has a DMR-E30
and was using Verbatim and TDK for his masters found the masters would not
work in a Micro Orbit. Octave advised he buy Samsung BeAll discs. They worked
great and it solved all of his problems. |
| |
|
| Q: |
What
kind of digital information can I record on a DVD-R? |
| A: |
DVD-R is a
write-once media that you can use to record video, audio, images, data files,
drawings, multimedia presentations or programs, etc. |
| |
|
| Q: |
What does
DVD-R mean? |
| A: |
Some say DVD
stands for Digital Versatile Disc. Others say DVD stands for Digital Video
Disc. |
| |
|
| Q: |
Why can you
record more information on a DVD-R disc than on a CD-R disc? |
| A: |
The extra
capacity of a DVD-R disc comes from smaller track pitch and smaller data
marks (pits). The track pitch on a 3.95 GB DVD-R disc is 0.8 microns,
one-half the track pitch of a CD-R. The track pitch on a 4.7 GB disc is
0.74 microns.
Hardware
changes in the recorders allow the creation of data marks approximately
one-half the size of those made on CD-R media (0.40 microns versus 0.834
microns). The recording laser's wavelength and focusing lens' numerical
aperture were changed. Because of this, a CD-R/CD-RW drive cannot be used
to write DVD-R media. Additionally, DVD-R substrates are injection molded
to one-half the thickness of a CD-R. Two DVD-R substrates are bonded together
creating multiple recording surfaces. |
| Q: |
What recording
speed does DVD-R media support? |
| A: |
Current DVD speeds are 8X or 16X. |
| |
|
| Q: |
Can I erase
data written on DVD-R media? |
| A: |
Once recorded,
data cannot be erased, unless it is a DVD-RW disc. |
| |
|
| Q: |
Is the size
of a DVD-R disc the same as a CD-R disc? |
| A: |
Dimensionally,
DVD-R discs and CD-R discs are identical. |
| |
|
| Q: |
What is the
difference between DVD-R Authoring and DVD-R General (Purpose)? |
| A: |
DVD-R General
drives record DVD-R media at 650 nm*, while DVD-R Authoring drives record
DVD-R media at 635 nm*. Therefore, a DVD-R Authoring disc cannot be written
on a drive that specifies DVD-R General media (650 nm), and vise versa.
*wavelength of the record laser |
|
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