The commonly used term DVD stands for Digital Versatile Disc or Digital Video Disc. It is a popular form of optical disc storage media format.



Its main function are video and data storage. Though they have the same dimensions as CDs (compact discs), DVDs can in fact store six times more data.

Although the above mentioned information might sound simple and common, it will definitely help a layman to avoid ending up buying a pirated DVD copy. Since piracy has taken over the entire world market of DVDs, the best option is to know more and more about the product. As you have heard often, knowledge always pays.

DVD offers you to either store data information, audio, video, or game footage. In DVD one can store data in varied forms. DVD-ROM has data which can only be read and not written. DVD-R and DVD+R can be written once and then function as a DVD-ROM. DVD-RAM, DVD-RW, or DVD+RW hold data that can be erased and thus re-written multiple times.

The come DVD-Video and DVD-Audio discs respectively which refer to properly formatted and structured video and audio content. Other types of DVD discs, including those with video content, may be referred to as DVD-Data discs.

Highly revered companies Sony and Philips were the first to introduce innovative concepts for DVDs during early 90s. Several other popular brands like Toshiba, Time Warner, JVC and Thomson joined the bandwagon and have made changes in the way DVD works. Before going to buy the DVDs, please check the capacity, speed and technological details and of course the price details of the DVDs. In the market cluttered with varied products, it is always advisable to go online. Online marketing offers you a plethora of choices with correct information and details you are looking for.

Let us now look at some key facts about DVDs. The DVD disc capacity is broadly divided into two sizes: single and double/dual. The standard size is 12 cm. Those that come in 8 cm size is known as mini-DVD. The drive speed of DVDs ranges from 1X to 16X. To write for a single layer DVD, the maximum time varies from 4 to 65 minutes at maximum. And the commonly used technology in DVD is 650 nm wavelength laser diode light.

Euipped with the latest information, you will end up buying your desired product without any disappointment. But make sure that in the attempt to buy cheap products, you are not hoodwinked into buying pirated pieces. So always go for the known brands when you are inexperienced.