The Arrival Of Blu-Ray Technology :: Technology

Formatting ProblemsThe Arrival of Blu-ray TechnologyBlu-ray- also known as Blu-ray book (BD), is the name of a next-generation optical record book initialize which was jointly essential by the Blu-ray Disc Association (BDA), a group of the worlds leading consumer electronics, in-person computer and media manufacturers (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). As comp atomic number 18d to the current optical disc format such(prenominal) as DVD, this new format allows users to record, rewrite and playback towering-definition (HD) video and store puffy amounts of info. In fact, Blu-rays storage capacity is five times much than traditional DVDs, which can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. This high storage capability has also allowed supererogatory content and special features such as downloading extras, updating content via the web, and observance live br oadcasts of special events. In addition, when combined with the new BD-J interactivity layer, the users experience in watching a Blu-ray movie will be greatly enhanced. For instance, enchantment the director explains the shooting of a motion-picture show, we are able to view the scene playing in the background simultaneously. Besides storage capacity and interactivity, high-definition is an opposite(prenominal) reason why Blu-ray is crack a blue-violet laser (405nm) has a shorter wavelength than a red laser (650nm), hence the laser spot is able to nidus with greater precision. Compared to DVDs, which only supports standard-definition (SD), Blu-ray supports HDTV and offers five times more gunpoint in the clarity and sharpness of picture, and as well as better enhancement effects in HD video and audio quality. Besides Blu-ray, HD-DVD is the other new high-density DVD format competing to be the next-generation optical disc format. The HD-DVD format which is supported by NEC, Tosh iba, and Sanyo, relies on the blue-laser technology as well. However, as compared, Blu-ray has a much bigger storage capacity and a higher data transfer rate for both video and audio. So do consumers choose Blu-ray or HD-DVD? According to an independent study conducted by Cymfony (a market invite analytic company) on the new HD video formats and players, between October 1, 2006 and November 23, 2006, there are 46 percent (in a total of 17,664 posts) higher positive discussions intimately HD-DVD with authors stating being impressed with HD-DVD vs. impressed with Blu-ray. On the other hand, few posts has discussed the high storage capacity and advance interactivity.