Blu-Ray

1
Blu-Ray

• Dimitry Ayzenberg
• Keith Ainsworth
• Samuel Cheng
• Kyle Young

2
Basics

• Stores 25GB on single-layer
• 7.8GB on mini-size
• Uses a blue (violet) laser
• New disc coating technologies developed
• New codecs developed
• Java used for menus
• New protection technology

3
Detail

• Laser operates at 405 nm wavelength
• Disc spot size is 580 nm
• Data layer is closer to surface
• H.264/AVC or VC-1 codecs
• Suggestions of including a JVM and network
  connectivity
• Self-Protecting Digital Content

4
Background Information

• 1998 Need for HD storage disc using blue/violet
  lasers
• Sony and Philips projects
• 2000 prototype of DVR-Blue
• 2002 officially named Blu-ray
• April 10, 2003 first consumer devices sold
• 2005 developed hard-coat polymer
• Competition with HD DVD and help of PS3

5
Criticisms of Blu-Ray

• Cost of Media and Players
• DRM embedded in format
• Limited improvement in HD over regular DVDs in
  most systems.
• COST

6
Opinion

• Overall, our group recommends using Blu-Ray
  Technology. In almost every respect Blu-Ray is
  an improvement over the more conventional DVD.
  Also, although slightly more expensive than
  HD-DVD, Blu-Ray offers higher overall performance
  and compatibility, making it the logical choice
  for those seeking the best in disk data storage
  and movie clarity.