Complete guide to DVD and its formats
Digital Video Disks or DVD is popularly known as a storage device which is utilized for storing audio, video or data. Blank DVD is inserted in a DVD recorder and the requisite media or data is recorded with the assistance of a laser ray. The blank discs usually have a storage capacity of about 4.7 Gigabyte. DVD is preferred over CDs mainly because of the larger storage space. There are various formats of blank DVD present in the market, with the earliest one being a DVD-R. These discs are meant for being used only once for recording data so any data recorded once cannot be edited or deleted. The next format is DVD +R. They are of better quality in comparison to DVD minus R and data can be recorded more than once. An altered version of both these discs is known as the DVD RW that means data can recorded numerous times. The latest development in the world of DVDs is the introduction of blank DVD discs dual layer. As the name goes, these DVDs consist of two layers of storage capacity within them. Thus, the total storage capacity of blank DVD discs dual layer is almost twice that of normal DVD. Having a storage capacity of about 8.54 GB, these DVDs can be utilized for storing more data and media compared to any other disc. The major drawback of blank DVD is that with the slightest scratch the quality of working gets affected.
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