Differences Between Cd Dvd Media
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. CDs and
DVDs both have these grooves, with laser breams
applied to scan these very grooves.
As you may know, digital information is represented
in ones and zeroes. Inside of these discs, very
tiny reflective bumps known as lands and non
reflective holes known as pits, which can be
found beside the grooves, reflect both the ones
and the zeroes of digital information.
By reducing the wave length of the laser to 625mm
or more infrared light, DVD technology has
managed to write in smaller pits when compared
to the standard technology of CD. This will
allow for a greater amount of data per track
on the DVD. The minimum length allowed for a
pit in a single layer DVD-R is .4 micron, which
is obviously more than the .0834 micron that a
The tracks of a DVD are narrower as well, which
allows for more tracks per disc, which also
translates into more capacity than a CD. The
avaerage single layer DVD holds 4.5 GB of data,
while a CD holds a mere 700 MB.
As stated above, a DVD has smaller pits and the
lasers need to focus on them. This is actually
achieved by using a thinner plastic substrate
than in a CD, which means that the laser needs
to pass through a thinner layer, with less
depth to reach the pits. It's this reduction in
thickness that's responsible for the discs
that were only 0.6mm thickness - which is half
that of a CD.
Data access speed
DVDs will access data at a much faster rate than
a CD can. The average 32X CD-ROM drive reads
data at 4MB a second, while a 1X DVD drive reads
at 1.38MB a second. This is even faster than
an 8X CD drive.
Universal data format
The recording formats of CDs and DVDs are quite
different, as DVDs use UDF, or the Universal
Data Format. This format allows data, video,
audio, or even a combination of all three to
be stored in a single file structure. The
advantage to this is any file can be accessed
by any drive, computer, or even consumer video.
CDs on the other hand aren't compatible with
The master CD or DVD disk, 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. Do
your research, take your time, then choose a
brand that will produce a high quality disc each
and every time you duplicate or replicate.
2. Avoid copying from a network source. If the
source files for your disk are on a network
drive, copy the files to your local disk before
you burn a disc. If you can't move the files
to your local drive, try using the copy to hard
drive first feature. When doing this, your
burning software will create a temporary image
file during the burning process. Once the
burning has been completed, the temporary file
will be deleted.
3. You should always avoid burning on a laptop
computer that is running on low battery power.
The fluctations that will occur in the available
battery power may cause you to have poor results
in your duplication.
4. Always make sure that you finalize your
disc. If you fail to finalize, the disc won't
play back. Finalizing will also help increase
the reading compability in other CD-ROM drives.
5. Never use the packet writing method to burn
a master disc. This method is very common with
burning drives that have re-writing capabilities.
This method will produce discs that can't be
read on many CD-ROM drives.
6. Avoid any type of impact or movement of the
drive during burning. Doing so can cause the
laser to skip or jump tracks, which will lead
to errors or a bad disc.
7. If available, use the "burn-proof" feature.
This feature will allow the drive to slow
down the burn speed in the event the computer
can't supply the data fast enough. Although
this can increase the burn time, the quality
of the disc will be much better.
8. You should avoid having multiple applications
open when burning, especially those that
access the Internet or a network. This can
hinder your computer's ability to supply data
to the burner drive at the necessary rate.
If you follow the above tips, you should
produce a master disc of excellent quality. A
master disc is something you'll want perfect,
which is why you shouldn't take any risks.
Music Cd R And Data Cd R
People who are new to computers and duplication, will
sometims confuse CD-R music media with CD-R data
media. While confusing them is easy to do, the
two are different indeed. Even if you have some
experience with computers, confusing them is very
easy to do.
As you may or may not know, there are differences
between music CD-R and data CD-R disks. The obvious
difference is, of course, the name. With one
named CD-R music and one named CD-R data, you
know there has to be some type of difference
between the two.
What's known is that there are indeed technical
differences in what is embedded in blank music
CDs when compared to blank data CDs. These
differences center upon bytes that are within
the sub channels of the blank music disks.
This doesn't affect the quality, as both audio
and data can be duplicated onto both music CD-R
disks and data CD-R disks. You can burn data onto
music CD-R, and music onto data CD-R media
without any problems. Keep in mind, whether or
not you get data on a music CD-R will depend
on what type of hardware you use to duplicate
If you plan to use a PC to do all of your burning,
it won't matter. A PC doesn't differentiate
between music CD-R and data CD-R. PCs will see
a blank media CD and duplicate information on it
that pertains to the settings you have outlined
in the software you plan to use to burn the CD.
If you plan to use a seperate CD burner, it
may or may not let you burn data or music on
a generic blank or data CD-R. Some hardware
are funny like that, as they only want you to
use blank media with well known brand names
that they have approved of.
If you plan to do most of your CD duplication
on a computer, it really doesn't matter which
type of blank CD-R you use. They will both
work fine in most cases when you store either
music or data. When storing data, you have a
limit of 700 MB, while music will have a limit
of a little over an hour of tunes.
For your duplication needs, computers are the
ideal way to copy media. You can use equipment
outside of a computer and CD burner, although
you'll need to check the operations manual
and see what they recommend for media. If you
have a computer or access to one, it can do
wonders in the areas of music and data CD-R
Copy Cds And Save Money
Just a short while ago, the only people who had
access to CD duplication were professional musicians,
record company executives, and the higher end
recording studios. As technology increased and
became more affordable, private CD duplication
companies began to pop up all over the United States
and other major music centers throughout the country.
These days, CD duplication has never been more
accessible or more affordable. Most home computers
and laptops come with a CD-RW burner and software
that is very user friendly, making CD duplication
Even if you are new to computers, you'll find
CD duplication very easy to figure out. You don't
have to be a computer expert to use the CD-RW
burner or the software, as most of it is self
explanitory. All you need to do is give it a run
and see easy things actually are.
Those who are needing a large quantity of CDs
duplicated or simply wish to have a professional
company burn their CDs, there are several out there
that offer great rates, package deals, and quality
recordings. You can get as many as you want, with
quality that matches that of the master copy.
Most CD duplication companies offer packages that
will include inserts, tray cards, and even
packaging should you choose to take your duplicates
to retail sale.
You can also choose to have your graphic work
imprinted on the inserts or have the CD duplication
company design a totally new design for your very
product. If you are worried about the inventory,
barcodes can be imprinted on the CD case or the
sleeve by the same company.
For whatever duplication needs you may have, there
are companies out there that offer duplication or
you can do it yourself. Either way you choose,
you'll get the copies you need in no time at all.
Several years ago, CD-R media and CD burners were
never imagined. Computers were just reached the
GHz speed, with Pentium 1 just starting to reach
the horizons. Floppy disks were the ideal way to
store data, even though it took several of them to
store most types of information. Looking at things
today, you can see at a glance just how far technology
has come over the years.
These days, computers are in 2 out of 3 homes
across the world, with almost everyone owning one.
CD burners and CD-RW drives are just as popular,
with everyone realizing just how much money they
can save by burning their own disks and copying
their own media.
There are so many benefits to CD duplication and
CD-R disks that it's mind boggling. If you've
never owned a CD-RW drive or dealt with CD-R media,
you'd be amazed with everything you can do. CD
media helps to simply life as we know it and make
things easier than ever before.
The theory of CD-R duplication is priceless. Writers,
those that are self employed, musicians, small
businesses, hobbyists, and even fortune 500
companies can all benefit from the brilliance
behind CD-R technology. Not only to do they
save you quite a bit of time, but they are
also very affordable while providing you many
CD-R media is used to store files and important
security documentation. The media disks are
widely used in the computer field to conveniently
backup software and data on disc. Musicians
as well choose to use CD-R duplication as an
affordable marketing and promotion tool to get
their music out to those who want it.
Even the corporate world as well, uses CD-Rs as
a cost effective way of mass producing training
videos and as an aid in converting to the
ideal paperless office. You can also use CD-Rs
as a business card, as they are smaller than
a credit card and store all of your memorable
business card information.
With everything they offer you, CD media is
truly something you can't live without. The
disks are small and easy to store, yet they
will hold an impressive amount of information.
For all of your audio, storage, or backup needs,
rest assured that CD-R media can help you meet
your demands. The disks will last a lifetime,
making them perfect for special memories. If
you have the need for storage or saving data
and pictures, CD media is the way to go to
ensure that your precious files will be there
each and every time you need them.
Tips For Cd Duplication Side Business
The process of CD duplication has arrived in a very
big way. Teenagers these days are using their CD
burners to rip MP3s from their favorite artists and
bands. Companies choose to use CD duplication to
make backups of their software and important
Federal agencies on the other hand, are scrambling
to define and interpret intellectual piracy and
copyright laws as they relate to CD duplication and
the industry of music as a whole. The movie industry
is also seeking how they can profit from using CD
duplication. With so much attention being focused
on CD duplication, now is the ideal time to turn
your home CD duplication hardware into a very
profitable side business.
Believe it or not, you may already have everything
you need to get your CD duplication process going
in the right direction. All you need to get your
business started is a computer, CD burner, CD
duplication software, and a few blank CD-R disks.
Contrary to what you may think, its that easy to
If you don't have a computer or a CD burner, you
really shouldn't worry, as purchasing a CD duplication
device is actually very affordable. The cost of
stand alone CD duplication software has reduced
quite a bit over the years.
Almost all home computers come with internal CD
duplication hardware (CD burners) and some sort
of duplication software as well. CD duplication
media, such as blank CD-R and CD-RW are very
low in price and can be purchased at almost all
The market for your CD duplication service or
company is going to local bands and musicians as
well as small businesses. Local up and coming
bands are often too busy perfecting their sound
to deal with the tedious and time consuming task
of duplicating CDs for their gigs. They also lack
the money to order CDs from the big time CD
duplication companies as well.
The smaller businesses are pretty much the same, as
they are almost always unable to financially
justify having a technical or computer staff to
handle the backup and data storage aspects of their
company. Many times, they will end up forgoing
needed data backups simply because they forget all
You can however, solve these common gaps, provide
needed service, and earn some nice side money by
starting your own duplication service that caters
to these types of clients. By offering a reasonable
price, fast rate of delivery, and a quality product,
you'll get many repeat customers and a side
business that will keep busy for as long as you
Quality At A Cheap Price
There has never been a better time than now to have
your audio book, music project, computer data, or
CD-R business card duplicated. Unlike the days gone
by, these processes are cheaper than ever before -
even for those on a budget.
Over the last several years, the costs of blank CDs
have dropped quite a bit. The retail chains such
as Office Max, Staples, and Best Buy run specials
on blank CDs where you can purchase a 50 CD-R spindle
for under $20. You can even find similar deals
on Froogle, such as a 50 pack spindle of blank CD-R
disks for less than $12.
Those interested in CD duplication at home, will find
that many of the newer computers come packages with
a CD burner included at prices under $500. If you
already own a computer and want to add an internal
CD burner, several retailers have brands for under
$50. You can also purchase an external CD burner
for all your needs for under $100.
Making cheap duplications of CDs even more affordable
are the powerhouses such as DiscMakers, Oasis,
and CDman, all of whom specialize in duplicating
large quantities of CDs at low prices. Not only
do these powerhouses offer superior quality at
a great price, but they also give great deals
on graphics, CD inserts, and jewel cases as well.
With cheap prices, you can get everything you need
at a price you can't argue with. If you've
copied CDs in the past, you can quit paying high
costs and save yourself a ton of money. Those
who offer CD duplication at a cheap price are
great at what they do - saving you a ton of money
for your CD duplication needs.
Storing Your Cds
There are many different storage alternatives for
your CD collection. The factors for storage include
how many CDs you own and how long you plan to keep
Below, you will find several alternatives for
storing your CDs:
1. CD jewel cases
You have probably owned these before, as they are
the most common. They can hold your CD cover art and
are very easy to line up on a shelf. Keep in mind
that they do break rather easily and they take up
quite a bit of space.
2. Plastic CD sleeves
Plastic sleeves are cheap and thin, so they are
easy to afford and easy on shelf space. Since they
are so thin, they obviously don't offer a lot in
terms of protection. For long term storage, they
generally aren't recommended.
3. Paper sleeves
For short term storage needs, paper is very cheap
and doesn't use much space. Simliar to plastic
sleeves, paper is thin and doesn't offer very
4. Paperboard sleeves
Paperboard sleeves are much thicker than paper so
they will protect your discs. They are also
inexpensive, although they can be hard to seal.
5. Tyvek CD sleeves
Tyvek sleeves are cheap and they don't take up
a lot of space. For long term storage, Tyvek is
6. CD-ROM disc cases
These types of cases can hold a lot of CDs in a
small space and they may even help to keep out
dust. They do however, make reading labels a bit
hard, they keep CDs out of site, and they will
take up a lot of space.
7. CD spindles
Spindles are cheap and they hold several hundred
CDs in a small stack. Sorting through them is
hard if you need one specific disk, which makes
it something that isn't normally recommended.
Essentials Of Cdr
The simple rule of thumb is that whatever you have
stored as a file on any other storage medium can
also be stored as a file on a CD-ROM. To the
recorder, a file is a file, and an ISO doesn't
care whether or not the file contains pictures, text,
or even audio sound.
There are a few special cases, as to where you
would want to record a file to a CD in a special
type of format. The most obvious here is CD-DA
audio. If you wanted to record an audio file to
a CD so that you could play it back on your home
stereo, you would need to write a CD-DA (or Digital
When you copy data to a CD, you need to ensure that
your data doesn't exceed the capacity of the CD
that you will be recording to. Due to the audio
requirements of CDs, the amount of information a
CD can hold is measured in minutes/seconds/sectors.
Each second can contain 75 sectors, each of which
are capable of holding 2,048 bytes of Mode 1 user
By using the CD Size command in the edit menu, you
can set the capacity of the set you wish to
produce, which will help you to prevent exceeding
it. The status bar will show you how much space
you have used, how much remains free, and the
percentage of each one.
Even though this may sound a bit confusing at
first, keep in mind that it may take some time if
you are new to computers. Even though copying a
CD is quite easy, knowing the limits and how things
work is a bit more complex. Give it some time,
and you'll be copying files to CD like the pros
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