In recent days, DVD writers are gaining popularity along with the fact that the price of blank DVDs is going down as well. DVDs can hold a significantly larger amount of data than standard CD-Rs. Most standard DVDs hold about 4GB of data, compared to about one tenth of that for a standard CD-R. And the dual layer DVDs are 2 sided, so they have twice as much storage capacity, about 8GB. Now that the DVD writers have become affordable, even to the average household computer user, it is starting to become standard equipment with new computer systems and laptop computers. The older CD burners are now being replaced with DVD burners.
Some of the popular brands of digital writers that one can find in the market are LG, Asus, Sony, Samsung, BenQ and the list continues. These are all well-known manufacturers in the field of electronic products. Let us go through the various models these companies manufacture.
While talking about popular brands of DVD writers, the first name that comes to mind is Asus. ASUSTek Computer Incorporated is a China based company that manufactures computer motherboards, graphic cards and other computer related peripherals.
In fact, a few years back, Asus produced the finest CD ROM drives. The Asus DRW-0804P is a type among DVD Writers that has the capability of burning both DVD+R and DVD-R media at a maximum speed of 8X. One of the noteworthy features of this particular writer is that it supports a high read speed of 40X for all types of CD media.
BenQ Corporation, a Taiwanese based company that is expert in manufacturing communications, computing and consumer based electronic devices. Initially it was known as Acer Peripherals when established in 1984. The DVD writer model that BenQ launched is DW1625. It uses a technology that was formerly developed by HP called LightScribe. With the help of this technology one can burn a CD or DVD, rotate it above, and burn the cover or can perform any other artwork on the label side of the disc.
Sony Corporation, one of the electronic giant in the field of electronics, manufactures video, communication, and information technology products is equally successful in making DVD writers. The look of Sony DRU-700A is white and the front plate is translucent blue in colour. It is capable of burning both D.V.D+R and D.V.D-R at a maximum speed of 8X i.e., 10,800 KBps.
Since this D.V.D writer has Dual layer the maximum speed for burning, reading C.Ds henceforth is 40X max, and the same can be rewritten at 24X. This dual layer technology is a hi-tech development that focuses light to mark or spot areas on two dye surfaces that are divided through a spacer layer. Each dye surface sits through reflective material, which sends the light back to the optical pickup lens. This results in interpreting the signal.
With so many brands in the market, it seems that DVD writers are gradually making their presence felt. Technology changes rapidly, however, and what is the standard today will again be a thing of the past in a decade.
In the world of data storage DVDs, or Digital Versatile Discs or Digital Video Discs, hold a very important place. They are used for both video and data storage. The DVD has the same dimensions of a CD or compact disc its storage capacity is much higher than that of a CD. It can store up to six times more data than a CD can. This is the reason why DVDs are more popular today.
Just like CD writers one can find DVD writer also. A DVD writer is a DVD drive that records or writes DVD. Actually it burns movies or data to a blank DVD and in some cases it can also overwrite existing data on a previously filled up DVD. While a DVD-Rom only reads the discs, a DVD writer provides us with lots of benefits. With the help of DVD writers one can make one's own movie videodiscs. A DVD writer can help in reducing cost. Let us get into an example to understand this. Instead of hiring any outside production company one can use this writer to distribute any kind of corporate video. This task can be done in an easy and very much cheaper way.
Internal and external types of DVD writers are available. External drives are good for non-technical purposes or for new users because its usage is less complicated. In fact this kind of writer is helpful to those who want to use the writer among multiple writers. But external writers are costly.
An internal DVD writer works within a single system and is much cheaper compared to an external DVD writer. Depending on the product and standard, the speed with which DVD writers write varies. One can find four different kinds of DVD speeds namely CAV, CLV, PCAV, and ZCLV. In CAV or constant angular velocity, the DVD is written at a constant increasing speed. In CLV or constant linear velocity, DVD is written in a constant speed. In zone constant linear velocity or ZCLV, various zones are divided and the speed is increased after each zone is written. While a DVD is being written the speed increases first and after this the speed will not increase. This is what happens when PCAV or partial constant angular velocity takes place. The average speed to write any type of media is presently 16xs while the average speed for rewrite is 4x.
A DVD writer uses various kinds of interfaces like SCSI, IDE FireWire and USB. An internal DVD writer generally supports IDE interface compatibility while external products may require some other kind of interface. External models usually use Firewire. Apple developed this interface. But nowadays more and more DVD writers use USB 2.0 that offer speeds up to 480Mbps.
In order to install a DVD writer some minimum facilities are required. The performance of DVD writers varies or depends solely on the amount of available hard disk space, memory and the speed of the processor. For example, during the burning of 4.7GB of data, one would require that much of space on the hard drive. While with DVD-RAM writers one would need only that much of space as required for operating the software. The minimum required configuration that one requires for a computer is 500MHz CPU and 128 RAM. And in the case of operating system, Windows 2000 is preferable as a base.
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