Bluray Disc Ppt 97

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    BLU-RAY

    DISC

    By :

    Jimi ShahRutul Vaghela

    Amit Antala

    Rajesh Metcal

    Pooja

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    HISTORY

    1st GENERATION:

    Compact disc (CD): --- 650/700 MB

    It is with us for over 20 years.

    Wavelength of laser which reads data: 780 nm

    Color of laser: Red

    2nd GENERATION:

    Digital versatile disc (DVD): --- 4.7 GBIt offers high quality sound and video than CD.

    Wavelength of laser which reads data: 650 nm

    Color of laser: Red

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    3rd GENERATION:

    Blu-ray disc (BD): --- 25/50 GB

    -Next generation optical disc format.

    -Developedby blu-ray disc association (which includes Apple,

    Hitachi, HP, LG, Panasonic, Pioneer, Philips, Samsung, Sharp,

    Sony)

    -Wavelength of laserwhich reads data: 405 nm

    -Colorof laser:Blue-violet which was developedby

    SHUJI NAKAMURA

    at NICHIA CORPORATION

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    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, according to the

    manufacturers, because an everyday word cannot be a

    trademark.

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    TYPES OF BD: SINGLE LAYER :

    - Can hold data up to 25/27 GB that means 2 hrs of HD video

    or about 13hrs of standard video.

    DOUBLE LAYER :

    - Can hold data up to 50 GB that means 4.5 hrs of HD video

    or more than 20 hrs of standard video.

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    COMPARISON IN BUILDING BD AND DVDCOMPARISON IN BUILDING BD AND DVDBD

    Data is placed on top of a 1.1mm thick polycarbonate layer

    Doesnt suffer fromBIREFRINGENCE

    Doesnt suffer from DISC TILT

    Hard coating is placed outsideto protect from scratches or

    fingerprints

    DVD

    Data is sandwiched b/w twopolycarbonate layers, each

    0.6 mm thick

    Suffer from BIREFRINGENCE

    Suffer from DISC TILT

    No such hard coating isplaced

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    BLU RAY S DURABILITY

    ADVANTAG

    E

    Various hard coating technologies make Blu ray disc most

    durable and family -friendly

    Hard-coating technology provides resistance to:

    - Finger prints

    - Marks

    - Scratches

    - Dust

    Much more ROBUST than todays polycarbonate-based

    CD/DVDs (and HD DVDs)

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    FEATURES OF BDFEATURES OF BDWith BD we can:

    Record HDTV without any quality loss

    Instantly skip to any spot on disc

    Record one program while watching other on the disc Create playlists

    Edit or reorder programs recorded on disc

    Automatically search for an empty space on the disc to avoidrecording over a program

    Access to web to download subtitles and other extra features

    And many more

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    On GA

    URD

    On GA

    URD

    Blu-ray discs are better armed than current DVDs. They come

    equipped with a secure encryption system a unique ID thatprotects against video piracy and copyright infringement.

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    DO MORE WITH BLU

    More capacity, Density and Performance

    More Industry Support/Consumer Reach (BDA has 140+

    members) More Durable

    More Interactive User Experience

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    Thank You