Digital Envisions

In 2006 the Blu Ray disc was shown to the world, and stands to be the next thing to replace the standard DVDs which are now in circulation.

Blu Ray basically stands as the next generation in optical storage media, “outstanding” the DVD line of technologies. One could say it is bound to take the place of DVD, as DVD had taken the place of the CD format. Utilizing a blue colored laser for its successful operation, the laser color of Blu Ray stands as one of the two major differences between it and DVDs and CDs.

CDs could store up to 700 megabytes of data. DVDs could store up to 4.7 gigabytes, not megabytes, of data, while Blu Ray discs, or BD, could store up to 25 gigabytes of data. The contents of five DVDs could be stored in one Blu Ray disc, easily. This large capacity value also enables, through the combined application of video and audio file codecs, the easy recording of High Definition video formats, which pave the way for an impressive movie watching experience.

As a medium for recording high definition movies, Blu Ray formats are simply amazing, and perfect for the job. Blu Ray formats are actually no different from the line of CD and DVD formats. There is the BD-ROM, the BD-R and the BD-RE. The BD-ROM of Blu Ray formats stands as the read only format of Blu Ray, ideal in the distribution of High Definition Movies, software for personal computers, as well as with games for personal computer systems and/or gaming consoles. The BD-R represents the recordable type of Blu Ray formats, perfect for recording High Definition movies, as well as large quantities of data. The BD-RE or Blu Ray formats is the rewritable type of Blu Ray Formats, capable of being erased and be used again.

The specification of Blu Ray Disc formats indicate that the base speed, or 1x, of Blu Ray Disc formats has a 36MB per second read/write value. High Definition moves in BD-ROM Blu Ray Disc formats require a minimum of 54MB per second speed, defining that all discs have a 2x read/write speed as a minimum.

Blu Ray Disc formats have a large numerical aperture, giving it the advantage of lower recording power, with higher read speeds. Impressive, indeed, wouldn’t even begin to be the right word when describing Blu Ray and the different Blu Ray disc formats.

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