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Duplication versus Replication for CD and DVD: What's the Difference?

There are two ways to make a copy of aDVD-R. CD-ROM replication also requires
CD or DVD. Information can be burned ona CD-R master. While a DVD-R is
to a blank CD/DVD-R; this method isacceptable for DVD replication, most
called duplication. Information canfacilities prefer to work from a client
also added during the CD/DVDsupplied DLT or Digital Linear Tape.
manufacturing process; this method isAdvantages of CD/DVD Duplication
referred to as replication.
Understanding the differences is1. The standard turn-time is 2-3
important in determining which processbusiness days, even for runs up to 5,000
is best for your project. A duplicatedunits.
CD/DVD is not only created using a2. Digital full color printing is
different process than a replicated CDavailable with no prepress charges.
DVD, but the actual final product isDisadvantages of CD/DVD Duplication
also different. After the duplication1. The cost per unit for duplication is
process is complete, the final producthigher than replication.
is a CD-R or a DVD-R. Replication2. DVDs can have up to 2 layers of
stampers for CDs produce CD-ROMs. (ROMinformation on each side of the media.
means Read Only Memory). The finalDVD-R duplicates can have 1 layer of
product in the DVD replication processinformation on the entire DVD.
is a DVD-5, DVD-9, DVD-10, or DVD-18.3. Most duplication facilities are
The Processessmall and are commonly limited to hand
CD duplication is similar to burning aassembly of the media into packaging as
CD/DVD on your personal computer. A CDa result of their low volume runs
DVD duplicator extracts data from theAdvantages of CD/DVD Replication
master disc and writes it to a blank1. The unit costs are lower than
disc. The difference between burningduplicated discs.
multiple CD/DVD-Rs at a duplication2. Both offset printing and screen
facility and burning one on yourprinting is available for replicated
computer desktop is that the duplicationdiscs.
facility burns hundreds at a time on3. Replicated DVDs can contain 1 layer
towers that are linked together. Each(DVD-5) of information, 2 layers on one
tower contains several CD/DVD trays soside (DVD-9), 1 layer on each side
that many copies can be created(DVD-10) or 2 layers on each side
simultaneously. After all the data has(DVD-18). Many replication facilities
been written unto the blank CD/DVD-R,are not yet set up for DVD-18
the information is verified with thereplication.
master, and the process is complete.4. Most replication facilities, as a
CD/DVD replicates, on the other hand,result of their high volume run
are created during the manufacturingcapability, can auto assemble discs into
process. In other words, media like ajewel cases, paper/tyvek sleeves, amaray
CD/DVD-R does not exist before thecases, or cardboard sleeves.
process starts. Before the replicationDisadvantages of CD/DVD Replication
process gets underway, the client master
is painstakingly evaluated for data1. The standard turn-time is 7-10
corruption. Then, a glass masterbusiness days, longer for runs exceeding
containing relevant data from client100,000 units. Standard duplication
supplied master is created. Replicationturn times are 2-3 business days.
begins when a flawless glass master is2. Most facilities have a minimum order
assured. The glass master is used torequirement of 1,000 units.
develop a stamper. The stamper, inAre There Noticeable Differences?
turn, is loaded into an InjectionBoth CD duplication and CD replication
Molding machine that creates CD/DVDextract data from the original in the
replicates. The quality of CDsame way. In terms of manufacturing,
replication hinges upon the quality ofhowever, this is where the similarities
the glass master's data. Through eachend. The finished product of either
successive step, quality and accuracy isprocess performs in the same manner,
consistently monitored to insure eachalthough there will be difference to the
disc is an exact replica or clone of theeye depending upon the whether the discs
original. A layer of micro-thinare digitally, screened, or offset
aluminum is applied to the polycarbonateprinted.
disc. It is then lacquered forWhat About Special Circumstances?
additional protection and printed beforeThe goals of every project are unique.
packaging.Contact our customer service department
The client supplied master for CD-R andto help determine which process best
DVD-R duplication is the same, a CDsuits the requirements of your project.



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