Blu-ray Disc
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Blu-ray Disc

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Blu-ray Disc Blu-ray Disc Presentation Transcript

  • Anu G
  • Blu-ray Disc was developed by the Blu-ray Disc Association, a group of companies representing consumer electronics, computer hardware, and motion picture production. The standard is covered by several patents belonging to different companies. Blu-ray Disc (Blu-ray or BD) is an optical disc storage media format. Its main uses are high-definition video and data storage.
  • A single-layer Blu-ray disc, which is roughly the same size as a DVD, can hold up to 27 GB of data -- that's more than two hours of high-definition video or about 13 hours of standard video. A double-layer Blu-ray disc can store up to 50 GB, enough to hold about 4.5 hours of high-definition video or more than 20 hours of standard video.
  • Evolution
    • VHS: analog DVD: digital BD: high-definition
    • Enables recording, rewriting, and playback of high-definition video
    • Capable of storing information that the DVD and CD are not capable of holding
  • The Name The Blu-ray name is a combination of "blue," for the color of the laser that is used, and "ray," for optical ray. The "e" in "blue" was purposefully left off. The name Blu-ray Disc is derived from the blue-violet laser used to read and write this type of disc.
  • The Details Data storage, High-definition video and PlayStation3 games Usage Blue-ray Disc Association Developed by 405 nm laser, 1x@36 Mbit/s 2x@72 Mbit/s 4x@144 Mbit/s 6x@216 Mbit/s 12x@432 Mbit/s Read mechanism 25 GB (single layer) 50 GB (dual layer) Capacity MPEG-2, MPEG-4 AVC (H.264), and VC-1 Encoding High-density optical disc Media type
  • Structure of the Disc
  • Read/Write
  • Storage Capacity
  • The BD Allows to…
    • record high-definition television (HDTV) without
    • any quality loss
    • instantly skip to any spot on the disc
    • record one program while watching another on
    • the disc
    • create playlists
    • edit or reorder programs recorded on the disc
    • automatically search for an empty space on the
    • disc to avoid recording over a program
    • access the Web to download subtitles and other
    • extra features
  • Formats Unlike DVDs and CDs, which started with read-only formats and only later added recordable and re-writable formats, Blu-ray is initially designed in several different formats: BD-ROM (read-only) - for pre-recorded content BD-R (recordable) - for PC data storage BD-RW (rewritable) - for PC data storage BD-RE (rewritable) - for HDTV recording Java Software Support
    • Java is used to implement the interactive menus on BD
    • The Java software on BD is called BD-J
  • Thank You . . .