The content of your master is transferred to a hard drive. Then, the data residing on the hard drive is 'burned', meaning it is transferred bit for bit to a pre-manufactured write once DVD-R.
DVD (digital video disc) is 120 mm in diameter and 1.2 mm thick, the same size as CDs. The main function is to store standard definition video for feature films. DVD discs have a maximum resolution of 480p (NTSC, 720×480 pixels) or 576p (PAL) 720×576 pixels). Pre-recorded DVDs are mass-produced using molding machines that physically stamp data onto the DVD. Such discs are known as DVD-ROM, because data can only be read and not written or erased. Blank recordable DVD discs (DVD-R and DVD+R) can be recorded once using a DVD recorder and then function as a DVD-ROM.
There are a number of different DVDs with various storage capacities:
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