Blue Ray Disk

Blu-ray Disc ,[object Object],[object Object],[object Object]

CONTENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

INTRODUCTION ,[object Object],[object Object],[object Object],[object Object]

(Contd…) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DATA STORAGE TECHNIQUE: ,[object Object],[object Object]

CONTD….. ,[object Object],[object Object],[object Object]

Comparision of storage technologies

CHARACTERISTICS OF BLU-RAY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Life Span ,[object Object],[object Object],[object Object]

Content Protection ,[object Object],[object Object],[object Object],Cost ,[object Object],[object Object]

Capacity ,[object Object],[object Object],[object Object]

Robustness of Disc ,[object Object],Compatible ,[object Object],[object Object]

Principal BD Specifications Capacity 23.3 25 27GB (single layer) Wave length of the laser 405nm Numerical Aperture of the objective lens 0.85 Data transfer rate 36Mbps Thickness of the disc 1.2mm Diameter of the center hole 15mm Recording method Phase change Data track Groove recording Visual data MPEG-2 video

Comparison of CD,DVD and B D specification Parameter CD DVD BD . Disk diameter 120 mm 120 mm 120 mm Disk thickness 1.2 mm 1.2 mm 1.2 mm Laser wavelength 780 nm 650 nm 405 nm Numerical aperture 0.45 0.60 0.85 Minimum pit length 0.83 um 0.4 um 0.138 um Data rate 1.2 Mb/sec 11 Mb/sec 36 Mb/sec Number of sides one ----- one or two Number of data layers One ----- One or two Data capacity ~680 MB 4.7 GB (1L) 27 GB 8.5 GB (2L) 1 7 GB (2L/2S)

Blu-ray Disc Applications ,[object Object],[object Object],[object Object]

High definition television recording ,[object Object],[object Object]

High Definition Video Distribution ,[object Object],[object Object],[object Object]

ONGOING DEVELOPMENT: ,[object Object],[object Object],[object Object],[object Object],[object Object]

Conclusion ,[object Object],[object Object]

Blue Ray Disk

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Blue Ray Disk