About the DVD (Digital Versatile Disc) format

DVD players have been in the UK market for over 15 years. With the development of Home Cinema Systems, that produce five channels of sound and a thundering bass to your living room, programmes can be viewed with amazing quality. There is more than one DVD format and it cannot be assumed that every DVD disc will run satisfactorily on all DVD players and DVD drives on PC's. However most modern DVD players are now compatible with discs across the range.

DVD-R
This is the original recordable format created by Pioneer and approved by the industry's DVD Forum. It remains the "official" DVD recordable format. DVD-RW is the re-writable version. Primarily Pioneer and Panasonic support it.

DVD+R
This format originates from an alliance with Philips, Sony, HP and Yamaha supporting it. DVD+RW is the re-writable version.

DVD-RAM
This "official" but different format was developed initially for computers. With the convergence of media technologies this is a format being used because of its ability to read and write at the same time. For example this time-slip function enables you to watch the start of a programme while still recording the end of it. DVD-RAM is the least compatible format due to its cartridge construction. However it has the advantage that it can be re-written 100,000 times (compared to 1,000 for DVD-RW)

DVD production methods
Massed produced DVD's are "pressed" from a "glass master" providing an exact replica of the original and this method is very reliable. However this process is not viable for short runs where it is necessary to "burn" the disc from the master using a DVD replicator.

Missing Link CD DVD replication services only use quality branded discs with "on-disc" printing to avoid known problems associated with adhesive labels. All recorded discs are electronically verified as part of the quality control procedures.

More on the future of DVD

Taking care of your DVD discs

Although DVD's, having no moving parts, appear to be more robust than traditional videotape, it remains a delicate format. A small blemish, scratch or dust on the surface can lead to the player rejecting a disc. The following precautions will help to prolong the life of a DVD disc:

Remove a disc from a case by pushing the hub at the centre and gently removing the disc by its outer edge;

Remove a disc from a pouch by holding the outer edge.

DO NOT:
~ remove a disc by 'prying' it out;
~ put disc face down except in case or DVD player;
~ stick labels or write on the disc:
~ touch or scratch the surface.
KEEP DISC:
~ free from dust and at room temperature:
~ away from moisture heat and sunlight.

SAFETY:
A disc that is cracked should never be placed in a player or computer as the high-speed revolutions could cause dangerous splinters to be ejected.

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