Recently Released Market Study: Global DVD and BD Market 2014-2018
A DVD is an optical disk used to store information. A DVD capacity ranges from 4.7 GB to 17 GB, over seven times than a CD can store. A DVD can be single-sided or double-sided with multiple layers. A Blu-ray disc (BD) is also an optical disc capable of recording, rewriting and playing back HD videos. BDs supersede DVDs in terms of storing information. BDs use a blue-violet laser that has a shorter wavelength compare to a red laser. This...
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