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Blu Ray Disc2

Apr 08, 2018

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    Presented by:-

    Sudeep Abhyankar

    Vineeth Kalmady

    Mahesh Ladhe

    SEMINARSEMINAR

    ONON

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    Shuji Nakamura, a professor at the University of California,Santa Barbara, invented practical blue laser diodes.

    In February 2002 the project was officially announced as Blu-rayand the Blu-ray Disc Association was founded by Sony,Matsushita, Pioneer, Philips, Thomson, LG Electronics, Hitachi,Sharp, and Samsung.

    HISTORY OF BLUHISTORY OF BLU--RAYRAY

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    WHAT ARE BLUWHAT ARE BLU--RAY DISCS?RAY DISCS?

    A Blu-ray disc on a Blue ray disc player.

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    RECORDING CAPACITY

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    HARD COATINGHARD COATING

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    TYPES OF BDTYPES OF BD

    SINGLE LAYER

    DOUBLE LAYER

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    DISC TYPESDISC TYPES

    SINGLE LAYER DISC

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    DUAL LAYER DISC

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    Recording capacity

    25 GB (SINGLE LAYER)

    50 GB (DUAL LAYER)

    Laser wavelength:405nm (blue-violet laser/

    Ga N laser )

    Lens numerical aperture (NA): 0.85

    Data transfer rate: 36Mbps

    Disc diameter: 120mm

    Center hole diameter: 15 mm

    Disc thickness: 1 .2mm (optical transmittance)

    Recording format: Phase change recording

    DISC CHARACTERISTICSDISC CHARACTERISTICS

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    Tracking format: Groove recording

    Tracking pitch: 0.32um

    Shortest pit length: 0.160/0.149/0.138um

    Recording phase density: 16.8/1 8.0/1 9.5Gbit/inch2

    Video recording format MPEG2 video

    Audio recording format: AC3, MPEG1, Layer2, etc.

    Video and audiomultiplexingformat:

    MPEG2 transport stream

    DISC CHARACTERISTICSDISC CHARACTERISTICS

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    COPYING RATE & DATA STORAGECOPYING RATE & DATA STORAGE

    The copying rate of both single and dual

    layer disc depends on the drive speed.

    Drive Speed Data Rate

    1X 36Mbits/s

    4.5 MB/s

    2X 72Mbits/s 9 MB/s

    4X 144Mbits/s

    18 MB/s

    6X 216mbits/s

    27 MB/s

    8X(Theoretical)

    288Mbits/s

    36 MB/s

    12X(Theoretical)

    432Mbits/s

    54 MB/s

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    COMPATIBILITYCOMPATIBILITY

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    COMPARISIONCOMPARISION

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    ADVANTAGESADVANTAGES

    High disc space at almost same cost price

    Security

    Reverse compatibility

    High speed data transfer (36Mbps)

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    APPLICATIONS OF BLUAPPLICATIONS OF BLU--RAYRAY

    List of products available withList of products available with BluBlu--rayray

    Players /recorders

    Computer entertainment systems

    Hardware for computers

    Hardware - BD drives

    Blank Media

    Camcorders

    Home theater

    Printers

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    COMPANIES INVOLVEDCOMPANIES INVOLVED

    There are nine main companies area involved todevelop products that take full advantage of blu-raydiscs large capacity and high speed data transfer rateare

    Hitachi Ltd.

    LG Electronics Inc.

    Matsushita Electric Industrial Co. Ltd.

    Pioneer Corporation

    Royal-Philips Electronics

    Samsung Electronics Co. Ltd

    Sharp Corporation

    Sony Corporation

    Thomson Multimedia

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    Thus we conclude on our Topic of Blu-Ray Disc which had agreat discussion about its Evolution, Structure, Characteristics,Advantages and Disadvatages.

    CONCLUSIONCONCLUSION

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    THANK YOU!!!THANK YOU!!!

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    ANY QUERIES PLEASE???ANY QUERIES PLEASE???