What Is Blu-ray? - Lifewire
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OverviewBlu-ray vs. DVDBlu-ray Disc Format SpecificationsUltra HD Blu-rayDVD technology improved on previous formats, such as VHS and Laserdisc, in terms of the TV …Blu-ray aimed to answer DVD's shortcomings. It allows you to see more depth, a wider range of color shades, and more image detail. DVD uses red laser technology. The Blu-ray Disc format uses blue laser technology and sophist… DVD technology improved on previous formats, such as VHS and Laserdisc, in terms of the TV …Blu-ray aimed to answer DVD's shortcomings. It allows you to see more depth, a wider range of color shades, and more image detail. DVD uses red laser technology. The Blu-ray Disc format uses blue laser technology and sophist…A blue laser light beam is narrower than a red laser. The blue laser focuses more precisely on a disc surface. Taking advantage of this, the pits on the disc where information is stored can be made smaller. This means more pits can be placed onto a Blu-ray disc than a DVD. Increasing t…
DVD technology improved on previous formats, such as VHS and Laserdisc, in terms of the TV …Blu-ray aimed to answer DVD's shortcomings. It allows you to see more depth, a wider range of color shades, and more image detail.
DVD uses red laser technology. The Blu-ray Disc format uses blue laser technology and sophist…A blue laser light beam is narrower than a red laser. The blue laser focuses more precisely on a disc surface. Taking advantage of this, the pits on the disc where information is stored can be made smaller. This means more pits can be placed onto a Blu-ray disc than a DVD. Increasing t…
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