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Frequently Asked Questions

CDI Media Frequently Asked Questions

Why CDI?

In 1982, CDI Media opened its doors to the public, offering quality  CD DVD Duplication Services and unprecedented levels of customer support.  And while CDI Media has grown to become one of the nation’s largest CD DVD duplication centers, our dedication to quality and service remains unchanged.  We are one of the few replicators that offer complete creative, production and fulfillment services.  As our customers can attest, CDI is dedicated to doing whatever it takes to duplicate your success. Read what some of our customers have said here.

A Commitment to QualityCDI Media is ISO 9001:2008 certified

With more and more companies competing on the global market, the need for international standards has never been greater.  CDI Media is proud to be one of the very few companies in the media industry that is ISO 9001:2008 certified, meaning you get the highest quality product regardless of what market you compete in.

A Licensed ReplicatorCDI Media is a Philips Licensed supplier and is compliant with Philips licensing conditions

CDI Media is a Philips Licensed supplier and is compliant with Philips licensing conditions.  The technology behind CD and DVD products and the Replication of optical media are covered by many patents.  Philips licenses suppliers and collects patent fees for each disc replicated.  We strongly advise you to check that your supplier sells licensed CD and DVD products.  If you receive unlicensed CD/DVD products your company could be liable for patent infringement.


What is a CD?

Since 1982, consumers have had access to one of the great breakthroughs in media storage technology: a slim, round, and shiny object known as the compact disc (CD).  Also known as an optical disk, the 4.724 inch (120 mm) round polycarbonate CD has largely replaced less reliable but similar formats like the cassette tape and vinyl record as a unit for digitally stored audio.  Despite its size, one standard compact disc may hold up to 80 minutes of music.  It remains the most preferred and popular medium for audio recordings.  The CD-ROM, a later version of the same technology, holds up to 700 megabytes (MB) of data and is widely used by individuals and businesses for archiving important documents, photographs, and software.

Diagram of CD layers.CD Layers

A. A polycarbonate disc layer has the data encoded by using lands and pits.
B. A reflective layer reflects the laser back.
C. A lacquer layer is used to prevent oxidation
D. Artwork is screen printed on the top of the disc.
E. A laser beam reads the polycarbonate disc, is reflected back, and read by the player.



What is a DVD?

DVD is the new generation of optical disc storage technology.  DVD is essentially a bigger, faster CD that can hold cinema-like video, better-than-CD audio, still photos, and computer data.  DVD aims to encompass home entertainment, computers, and business information with a single digital format.  It has replaced laserdisc, is well on the way to replacing videotape and video game cartridges, and could eventually replace audio CD and CD-ROM.

DVD has widespread support from all major electronics companies, all major computer hardware companies, and all major movie and music studios. With this unprecedented support, DVD became the most successful consumer electronics product of all time in less than three years of its introduction. In 2003, six years after introduction, there were over 250 million DVD playback devices worldwide, counting DVD players, DVD PCs, and DVD game consoles. This was more than half the numbers of VCRs, setting DVD up to become the new standard for video publishing.

It’s important to understand the difference between the physical formats (such as DVD-ROM and DVD-R) and the application formats (such as DVD-Video and DVD-Audio). DVD-ROM is the base format that holds data. DVD-Video (often simply called DVD) defines how video programs such as movies are stored on disc and played in a DVD-Video player or a DVD computer. The difference is similar to that between CD-ROM and Audio CD. DVD-ROM includes recordable variations: DVD-R/RW, DVD-RAM, and DVD+R/RW. The application formats include DVD-Video, DVD-Video Recording (DVD-VR), DVD+RW Video Recording (DVD+VR), DVD-Audio Recording (DVD-AR), DVD Stream Recording (DVD-SR), DVD-Audio (DVD-A), and Super Audio CD (SACD). There are also special application formats for game consoles such as Sony PlayStation 2 and Microsoft Xbox.

For more information on DVDs, please visit one of our favorite sites:


What are CD-Rs and CD-RWs?

A CD-R is short for “CD-Recordable”.  Recordable CDs are WORM (Write Once, Read Multiple) media that work just like standard CDs.  The advantage of CD-R over other types of optical media is that you can use the discs with a standard CD player.  The disadvantage is that you can’t reuse a disc.

A related technology called CD-Rewritable (CD-RW) allows you to erase discs and reuse them, but the CD-RW media doesn’t work in all players. CD-Rewritable drives are able to write both CD-R and CD-RW discs.  All CD recorders can read CDs and CD-ROMs, just like a standard CD-ROM drive.

For more information on CD-Rs, please visit:


What is Blu-Ray (BD or BR) Disc?

Blu-ray also known as Blu-ray disc (BD or BR), is a next generation format developed to deliver High Definition video content and or large amounts of data.  The name Blu-ray refers to the laser used to read the disc.  A BD uses a shorter wavelength blue laser as opposed to the red laser used for SD DVDs and CDs.

Larger capacity on Blu-ray discs is achieved through the use of a shorter wavelength laser as opposed the larger red laser used on SD DVDs. The blue laser allows BD to utilize  smaller pits and lands than are used on SD DVDs.  Pits and lands are the method by which information is stored on an optical disc. Because the pits and lands are smaller they can be placed closer together resulting in more information being stored on the same size disc. In conjunction with different optics and faster disc rotation, BD discs can store 5X more data than SD DVDs.

The physical size and shape of the disc are the same as a SD DVDs and CDs.  A BD-25 is a single layer disc and can hold up to 25 GB (Gigabytes) of data or HD/SD video.  A BD-50 is a dual layer disc and can hold up to 50 GB of data or Video.  For a BD-25, this translates into approximately 4 hours of HD video or 11 hours of SD video.

Some features of Blu-ray:

•  Increased disc capacity allowing for HD video.
•  6x the resolution of DVD with 7.1 channels of uncompressed audio.
•  New menu integration with increased interactivity and menu navigation
over top of playing video.
•  Network/internet connectivity.
•  Improved disc coating with increased resistance to scratches and smudges.


What is the difference between Replication and Duplication?

CD, DVD OR BD DUPLICATION is a process that starts with a CD, DVD or BD Recordable disc. We then duplicate or “burn” the content from your supplied master onto the recordable discs. The next process is to print your artwork directly to the disc with our beautiful full color printers.

CD, DVD OR BD REPLICATION is the manufacturing process that manufactures your disc from raw materials. These are also referred to as “molded” or “pressed” discs. This is the process that uses a glass master and stamper.  Because replication starts with raw materials, this process is the most cost effective method for large orders.  After the disc is replicated, it is then printed using full color offset directly to your disc or silk-screened.  A standard schedule for replication is 7-10 days for CDs and 12-15 days for DVDs and BDs.


When should I replicate and when should I duplicate?

Replication is the best solution when you have a project that requires 1,000 or more discs.  It is the most cost effective process.  With projects under 1,000 discs it is more cost effective to use duplication.  This process is ideal for short run orders or can also be the solution for larger runs needing a 24-48 hours turn time.


What is a Glass Master disc?

The glass master refers to the replication process, not duplication.  The glass master is created as an exact copy of your disc.  It is then used to create a stamper. Glass mastering is included with all of our replication projects.  No extra charge.


Are the copies of my disc exactly what I send in?

We make a copy of the disc exactly as you send it to us.  Please take extra precautions to ensure that your disc is exactly as you want it to be.  We do not make any changes before we duplicate or replicate it.  Your duplicated discs will be an exact copy of what you submitted.


How many master disc copies should I send?

We recommend that you send two original masters with any project submitted for replication or duplication.  Frequently a master can be flawed in some way such as a scratch.  An extra master gives us a backup to use.  If we only have one copy the production process will have to stop until you to send another master disc.  This will delay the production process and could postpone your delivery date.


What is an over run or under run?

We always replicate overs to allow for any discs rejected during the printing process QC. Our policy is that your order may be 5% over or under. However, you will only pay for the EXACT count you receive.


Will my DVD play in all DVD players?

If CDI Media authors your DVD we guarantee compatibility with any standard, stand alone DVD player.  Not all DVD authoring software is compatible with the DVD standard set in place 15 years ago.  We recommend you use PC or Linux Software.  Mac software has the least amount of compatibility, unless you purchase the professional grade, and even then you really need to know precisely all of the appropriate settings.  It is very important that you try your disc in a number of different DVD players, if the disc plays well, you should be fine with most other machines.  Computer DVD/CD players will play most anything.

For international projects, author your DVD as “Region Ø”, so that it plays in all regions of the world.  And if used internationally, you may want one authored for NTSC machines and another for PAL machines.

There are times when your DVD won’t play on your computer. This can heppen because of many reasons but the main reason is because your computer does not have the required decoders(Codecs) for playing the MPEG-2 format. Most DVD Playing software comes with all decoders. Microsoft Windows Player does not come with all decoders. You may have to pruchase an update pack or use a different DVD player. You can read more about that in our post here.


What is Fulfillment?

Fulfillment, also known as order fulfillment or product fulfillment, is the process whereby a person or company fulfills their obligations to send a person an item or product that the person has ordered, purchased, or requested from the organization.  Fulfillment typically will refer to the services provided by a company that offers to store, receive the orders, package, and then ship the ordered item to the end consumer.

Standard fulfillment company services

Storage and warehousing

A fulfillment company stores items until an order for the item comes in. Storage facilities can be prepared for perishable items requiring refrigeration, temperature sensitive items requiring air conditioning or heating (such as certain types of chemicals that can break down due to extreme heat or cold), or typical warehousing protection from the elements.

Third party fulfillment services will often charge a storage fee based on the product storage requirements and any special handling that may be required.

Inventory Control

A fulfillment company will typically maintain and publish inventory counts as goods are shipped. Reporting systems can vary by company and range from simple excel spreadsheets to web-based systems.

Pick and Pack 

Pick and Pack is the process of selecting items currently being stored by the fulfillment company to prep for shipping. Companies have employees known as “pickers” that will receive an order manifest.  These “pickers” will then wander the warehouse to the location (known as a BIN or INTERNAL SKU) of the individual items, and pull them from the warehouse shelves to prep for shipping.  With the “picker” taking the items in the order manifest back to the packing station, another employee known as a “packer” will then check to make sure all items in the order manifest are present and then begin the packaging process.  Packaging of the product according to its type is then performed, optionally, a packaging slip may be attached, and the product is labeled with address identification of where the item is to be shipped.


Fulfillment companies are able to provide larger shipping discounts than smaller retailers may be able to negotiate on their own merit. This is because fulfillment service providers ship a high volume of orders every day. As a result of this volume, fulfillment companies can negotiate better discounts with UPSFedEx and USPS and pass on the savings to their customers.

Xipix Media is part of Xipix Global which is a Full Service Order Fulfillment company.  Click here to learn more about Xipix.

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To Read Some of Our Client Testimonials, Click Here.


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