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Transcript

  • 1. Blu-Ray Technology
  • 2. BLUE-RAY
  • 3. HISTORY OF DISCS
  • 4. Compact Disc (CD) Size 650/700MB It has been with us for over 20 yrs. Color of laser RED 1st Generation
  • 5. Digital Versatile Disc (DVD) Size 4.7 GB It offers high quality sound and video than a CD Color of laser RED 2nd Generation
  • 6. Blu-Ray Disc (BD) Size 25/50 GB It is the next generation Optical Disc Format Color of laser Blue-Violet 3rd Generation
  • 7. Comparison DVD’s BD’s & Between
  • 8. BD DVD  No such hard coating is placed on the DVD.  A DVD suffers from Disc Tilt.  A DVD player cannot play a BD.  A Hard coating is placed outside to protect the BD from scratches or fingerprints.  A BD doesn’t suffer from Disc Tilt.  A BD player can play a DVD or a CD.
  • 9. THE NAME “BLU-RAY”
  • 10.  The name “Blu-Ray” is a combination of “Blue” and “Ray” where Blue stands for the colour of the laser that is used and “Ray” stands for the optical ray.  The “e” in “blue” was purposely left out because according to the manufacturers, an everyday word cannot be a trademark.
  • 11. Blu-Ray Disc Drive
  • 12. Format Of BD’s
  • 13. THE BLU-RAY DISCS COMES IN 4 DIFFERENT FORMATS. 1. BD-ROM (read only) – For reading recorded content. 2. BD-R (recordable) – For PC data storage. 3. BD-RW (rewritable) – For PC data storage. 4. BD-RE (rewritable) - For HDTV(high definition television) recording.
  • 14. TYPES OF BD’S
  • 15. Single Layer BD This type of BD’s can hold up to 25/27 GB . That means 2 hours of HD video or about 13 hours of standard video. Double Layer BD This type of BD can hold data up to 50 GB. That means 4.5 hours of HD video or about 20 hours of standard video.
  • 16. THE TECHNOLOG Y
  • 17. The BD was developed by Blu-Ray association (which includes Apple, Hitachi, HP, LG, Panasonic, Pioneer, Philips, Samsung, Sharp and Sony). A Blu-Ray Disc stores digitally encoded data in the form of PITS. Pits are spiral groves that runs from the center of the disc to its edge. The pit size of a BD is 0.15 microns (more than twice as small as the pits on a DVD). The Data transfer rate of a BD is 36 Mbps. A Blu-Ray disc will only work on a blue-violet laser and not on a red laser.
  • 18. FEATURES OF BD’s
  • 19. A BD enables us to …  Record HDTV without any quality loss.  Instantly skip to any spot on disc.  Record any program while watching other on the disc.  Create playlists.  Edit programs recorded on the disc.  Access the web to download subtitles and other extra features.
  • 20. ADVANTAGES OF BLU-RAY DISCS
  • 21.  Various hard coating technologies make Blu -Ray discs more durable and family-friendly.  Hard coating technology provides resistance to: – Fingerprints – Marks – Scratches – Dust  BD’s are much more Stronger than today’s polycarbonate based CD’s, DVD’s and HD DVD’s.  Better for random access of data.  Faster data seek.
  • 22. Advantages Of BD’s Over DVD’s
  • 23.  Blue-Violet Laser v/s Red Laser  Storage Capacity  Backward Compatibility  Audio and Picture Quality  Cost
  • 24. Blu-ray discs are better armed than current DVD’s. They come equipped with a secure encryption system which consists of a unique ID that prevents video piracy and copyright infringement. Safety tip
  • 25. THANK YOU