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

There are two ways to make a copy of a CD orfacilities prefer to work from a client supplied DLT or
DVD. Information can be burned on to a blank CDDigital Linear Tape.
DVD-R; this method is called duplication. InformationAdvantages of CD/DVD Duplication
can also added during the CD/DVD manufacturing
process; this method is referred to as replication.1. The standard turn-time is 2-3 business days, even
Understanding the differences is important infor runs up to 5,000 units.
determining which process is best for your project. A2. Digital full color printing is available with no prepress
duplicated CD/DVD is not only created using acharges.
different process than a replicated CD/DVD, but theDisadvantages of CD/DVD Duplication
actual final product is also different. After the1. The cost per unit for duplication is higher than
duplication process is complete, the final product is areplication.
CD-R or a DVD-R. Replication stampers for CDs2. DVDs can have up to 2 layers of information on
produce CD-ROMs. (ROM means Read Onlyeach side of the media. DVD-R duplicates can have 1
Memory). The final product in the DVD replicationlayer of information on the entire DVD.
process is a DVD-5, DVD-9, DVD-10, or DVD-18.3. Most duplication facilities are small and are
The Processescommonly limited to hand assembly of the media into
CD duplication is similar to burning a CD/DVD on yourpackaging as a result of their low volume runs
personal computer. A CD/DVD duplicator extractsAdvantages of CD/DVD Replication
data from the master disc and writes it to a blank disc.1. The unit costs are lower than duplicated discs.
The difference between burning multiple CD/DVD-Rs2. Both offset printing and screen printing is available
at a duplication facility and burning one on yourfor replicated discs.
computer desktop is that the duplication facility burns3. Replicated DVDs can contain 1 layer (DVD-5) of
hundreds at a time on towers that are linked together.information, 2 layers on one side (DVD-9), 1 layer on
Each tower contains several CD/DVD trays so thateach side (DVD-10) or 2 layers on each side (DVD-18).
many copies can be created simultaneously. After allMany replication facilities are not yet set up for
the data has been written unto the blank CD/DVD-R,DVD-18 replication.
the information is verified with the master, and the4. Most replication facilities, as a result of their high
process is complete.volume run capability, can auto assemble discs into
CD/DVD replicates, on the other hand, are createdjewel cases, paper/tyvek sleeves, amaray cases, or
during the manufacturing process. In other words,cardboard sleeves.
media like a CD/DVD-R does not exist before theDisadvantages of CD/DVD Replication
process starts. Before the replication process gets
underway, the client master is painstakingly evaluated1. The standard turn-time is 7-10 business days, longer
for data corruption. Then, a glass master containingfor runs exceeding 100,000 units. Standard duplication
relevant data from client supplied master is created.turn times are 2-3 business days.
Replication begins when a flawless glass master is2. Most facilities have a minimum order requirement of
assured. The glass master is used to develop a1,000 units.
stamper. The stamper, in turn, is loaded into an InjectionAre There Noticeable Differences?
Molding machine that creates CD/DVD replicates. TheBoth CD duplication and CD replication extract data
quality of CD replication hinges upon the quality of thefrom the original in the same way. In terms of
glass master's data. Through each successive step,manufacturing, however, this is where the similarities
quality and accuracy is consistently monitored to insureend. The finished product of either process performs in
each disc is an exact replica or clone of the original. Athe same manner, although there will be difference to
layer of micro-thin aluminum is applied to thethe eye depending upon the whether the discs are
polycarbonate disc. It is then lacquered for additionaldigitally, screened, or offset printed.
protection and printed before packaging.What About Special Circumstances?
The client supplied master for CD-R and DVD-RThe goals of every project are unique. Contact our
duplication is the same, a CD/DVD-R. CD-ROMcustomer service department to help determine which
replication also requires a CD-R master. While aprocess best suits the requirements of your project.
DVD-R is acceptable for DVD replication, most