6989983 Bluray Disc

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    TEEGALA KRISHNA REDDYTEEGALA KRISHNA REDDY

    ENGG. COLLEGEENGG. COLLEGE

    BY

    N.PRATHAP 06R91A0224

    INTERNAL GUIDE

    Ms . SWAPNA

    BLUE RAY DISC

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    IntroductionIntroduction A current, single-sided, standard DVD can hold 4.7 GB(gigabytes) of Information. That's about the size of an average

    two-hour, standard-definition movie with a few extra features

    Blu-ray is the next-generation digital video disc. It can record,

    store and play back high definition video and digital audio, as

    well as computer data.

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    Working ofWorking of BluBlu--RayRay Blu-ray has reduced the track pitch from

    0.74 microns to 0.32 microns. The

    smaller pits, smaller beam and shortertrack pitch together enable a single-layer

    Blu-ray disc to hold more than 25GB of

    information about five times the amountof information that can be stores on a

    DVD.

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    Single Layer BDS

    ingle Layer BD A single-layer BIu-ray disc, which is

    roughly the same size as a DVD, can

    hold up to 27 GB of data that's morethan two hours of high-definition

    video or about 13 hours of standard

    video.

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    Double Layer BDDouble Layer BD A double-layer Blu-ray disc can store

    up to 54 GB, enough to hold about

    4.5 hours of high-definition video ormore than 20 hours of standard

    video.

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    BluBlu--Ray Vs DVD CapacityRay Vs DVD Capacity

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    CD vs DVD vs BluCD vs DVD vs Blu--Ray writingRay writing

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    BLUBLU--RAY VS OTHER NEW DISCRAY VS OTHER NEW DISC

    FORMATS

    FORMATS

    The other big player is HD_DVD, also called AOD(Advanced Optical Disc).

    HD-DVD BLU-RAY

    Single Layer 20GB 27GB Double Layer 30GB 54GB

    Other Discs like China has introduced the Enhanced Video

    Disc (EVD), Taiwan has created the ForwardedVersatile Disc(FVD).

    There are also professional versions of the Blu laser technology. Sony has developed XDCAM and ProData(Professional Disc for Data).

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    ADVANTAGES

    OF BDADVANTAGES

    OF BD Record High-Definition Television (HDTV) without

    any quality loss

    Record one program while watching another on

    the disc

    Edit programs recorded on the disc

    Automatically search for an empty space on the

    disc to avoid recording over a program Access the web to down load subtitles and other

    extra features

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    APPLICATIONSAPPLICATIONS

    S

    tand Alone Recorders and Game Controller

    PC Data Storage

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    CONCLUSIONCONCLUSION

    Blu-ray disc has been a consistent road map toemerging disc technologies. Blue-ray can store upto 54 GB, enough to hold about 4.5 hours of high -definition video or more than 20 hours of

    standard video. And there are even plans in theworks to develop a disc with twice that amountof storage.

    Its very likely that the technology will beadopted as the next generation optical disc formatfor PC data storage and replace technologies suchas DVD+-R, DVD+-RW, and DVD-RAM.