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The Blu-ray Disc: The Next Revolution in Optical Storage for HD Media and Gaming

The Blu-ray Disc (BD) is a cutting-edge optical storage solution designed for high-definition video, data archiving, and next-gen gaming. With storage capacities of 25GB (single-layer) and 50GB (dual-layer), it supports HD content, making it essential for HDTVs and gaming consoles. Developed by the Blu-ray Disc Association, the BD uses a blue-violet laser technology for exceptional data density and quality. Backed by major tech companies, this format promises enhanced interactivity and compatibility with existing DVD systems. The future of digital storage starts here.

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The Blu-ray Disc: The Next Revolution in Optical Storage for HD Media and Gaming

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  1. BLUE RAY DISC

  2. What is Blu-ray Disc ? Next revolution in optical storage solution for -PC products/consumer electronics/gaming consoles *Huge Capacity -25 GB (single layer)/ 50 GB (double layer) -200 GB (multilayer) *Three versions at launch: -BD-ROM , BD-R , BD-RE *Needed for “ HIGH DEFINATION ” -TV/Video , PC Data storage/archivals and next generation video gaming. -Broadcast and packaged movies/Recording HDTV *Backed by top IT & CE Companies.

  3. * Why the name “Blu-ray Disc” ? • -The name Blu-ray is derived from the underlying technology, which utilizes a blue-violet laser to read and write data. • DEVELOPED BY :: • -The Blu-ray Disc format was developed by the Blu-ray Disc Association (BDA) . • -SONY Corporation • -Board of members

  4. * Same Form Factor as CD/DVD -Familiar to consumer -Enables backwards compatibility.

  5. TECHNOLOGY • Laser and optics • The Blu-ray Disc system uses a blue-violet laser operating at a wavelength of 405 nm, similar to the one used for HD DVD, to read and write data. Conventional DVDs and CDs use red and infrared lasers at 650 nm and 780 nm respectively. • *Specifications • About 9 hours of high-definition (HD) video can be stored on a 50GB disc. • About 23 hours of standard-definition (SD) video can be stored on a 50GB disc.

  6. Blu-ray Precision

  7. * BASIC CONSTRUCTION

  8. DATA TRANSFER RATE Blu-ray DVD Data transfer rate (data) 36.0Mbps (1x) 11.08Mbps (1x)Data transfer rate 54.0Mbps (1.5x) 10.08Mbps (<1x)(video/audio) Numerical Aperture 0.85 0.60 NUMERICAL APERTURE -less recording power -lower disc rotation speed

  9. Video/Audio Codecs • CODECS • *For video, ISO MPEG-2,H.264/AVC, and SMPTE VC-1 are player-mandatory. • -MPEG-2 video allows decoder backward compatibility for DVDs. • *For audio , ISO (linear PCM 5.1, Dolby Digital 5.1 or DTS 5.1.).

  10. JAVA SUPPORT SYSTEM -Sun Microsystems cross platform software -Interactive Menus on BD Discs -Java supported BD Disc – BD-J -Allows interactive updates via internet.

  11. Blu-ray Vs DVD Blu-rayDVD Protection layer 0.1mm 0.6mmHard coating Yes NoLaser wavelength 405nm 650nm (blue laser) (red laser) Track pitch 0.32µm 0.74µmVideo resolution 1920×1080 720×480 /720×576 (max) (1080p) (480i/576i) video bit rate 40.0 Mbps 9.8 Mbps Interactivity BD-J DVD-Video

  12. ADVANTAGES * Security - BD+ - ROM Mark - MMC * Capacity * Studio support * Computer Manufacturers * Backwards Compatibility * Interactivity

  13. FUTURE AND PRICING Recorder Cost: $1,500 - $2,500; BD Cost: $26 -Expect the BD to become more prevalent once the HDTV market establishes its presence -Audio and video will reach higher qualities with larger storage space -Look for BD with more than two layers as the technology is further refined

  14. Thank U

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