Rohit Blue Ray
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Transcript of Rohit Blue Ray
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BLUBLU--RAY DISCRAY DISC
PRESENTATIONPRESENTATION
ONON
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HISTORY OF DISCHISTORY OF DISC
1stGENERATION:
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
2ndGENERATION:
Digital versatile disc (DVD): --- 4.7 GB
It offers high quality sound and video than CD.
Wavelength of laser which reads data: 650 nm
Color of laser: Red
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HISTORY OF DISCHISTORY OF DISC3rd GENERATION:
Blu-ray disc (BD): --- 25/50 GB
-Next generation optical disc format.
-Developed by blu-ray disc association (which includes Apple, Hitachi,HP, LG, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony)
-Wavelength of laser which reads data: 405 nm
-Color of laser: Blue-violetwhich was developed by
SHUJI NAKAMURA
at NICHIA CORPORATION
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IntroductionIntroduction
Blu-ray is the next-generation digital video disc.
It can record, store and play back high definition video &
Digital audio, as well as computer data.
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FORMAT OF BDFORMAT OF BD
It comes in four different formats:
BD-ROM (read only).BD-R(recordable) .
BD-RW(rewritable).
BD-RE(rewritable).
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TYPES OF BDTYPES OF BD::SINGLE LAYER :
- Can hold data up to 25/27 GB.DOUBLE LAYER:
- Can hold data up to 50 GB.
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BluBlu Ray Vs HD DVDRay Vs HD DVD
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BluBlu--Ray Vs DVD CapacityRay Vs DVD Capacity
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BLUBLU--RAY VS OTHER NEW DISCRAY VS OTHER NEW DISCFORMATSFORMATS
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 lasertechnology. 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
Stand 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 inpipeline to develop a disc with twice that amountof storage.
Its very likely that the technology will beadopted as the next generation optical discformat for PC data storage and will replacetechnologies such as DVD+R, DVD+-RW, and DVD-RAM.
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THANK YOU
Presented By:
ROHIT