Blu ray disc
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Mary Mol
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#1
27-01-2010, 10:55 PM


I want seminar and presentation report and ppt presentation about the topic blu ray disc.can u pls send
it.
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computer science technology
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#2
27-01-2010, 11:15 PM

please read
topicideashow-to-Blu-ray-Technology?pid=8506
for details about blu-ray disc
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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arun9489
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#3
15-05-2010, 06:52 PM

I want seminar and presentation report and ppt presentation about the topic blu ray disc.can u pls send
it.SmileSmile[/size]
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#4
09-10-2010, 03:09 PM

Submitted by
Mohammad zameel .B




Abstract


Blu-ray, also known as Blu-ray Disc (BD) is the name of a next-generation optical disc format jointly developed by the Blu-ray Disc Association (BDA), a group of leading consumer electronics and PC companies (including Apple, Dell, Hitachi, HP, JVC, LG, Mitsubishi, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, TDK and Thomson). The format was developed to enable recording, rewriting and playback of high-definition video
HD), as well as storing large amounts of data. The Blu-ray Disc using blue-iolet laser achieves over 2-hour digital high definition video recording on a 12cm diameter CD/DVD size phase change optical disc.The Blu-ray Disc enables the recording, rewriting and play back of up to 25 gigabytes (GB) of data on a single sided single layer 12cm CD/DVD size disc using a 405nm blue-violet laser. By employing a short wavelength blue violet laser, the Blu-ray Disc successfully minimizes its beam spot size by making the
numerical aperture (NA) on a field lens that converges the laser 0.85. This also allows for disc better readout and an increased recording density. The Blu-ray Disc's tracking pitch is reduced to 0.32um, almost half of
that of a regular DVD, achieving up to 25 GB high-density recording on a single sided disc.ecause the Blu-ray Disc utilizes global standard "MPEG-2 Transport Stream" compression technology highly compatible with digital broadcasting for video recording, a wide range of content can be
recorded. It is possible for the Blu-ray Disc to record digital high definition broadcasting while maintaining high quality and other data simultaneously with video data if they are received together. In addition, the adoption of a unique ID written on a Blu-ray Disc realizes high quality copyright protection functions. he Blu-ray Disc is a technology platform that can store sound and video while maintaining high quality and also access the stored content in an easy-to-use way. This will be important in the coming
broadband era as content distributio..
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seminar class
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#5
07-03-2011, 10:27 AM

Presented By :
HARSH.M.PATEL


.pptx   Blue Ray Disc.pptx (Size: 3.07 MB / Downloads: 88)
BLU-RAY DISC
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 GB
It offers high quality sound and video than CD.
Wavelength of laser which reads data: 650 nm
Color of laser: Red
HISTORY
3rd 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-violet which was developed by
SHUJI NAKAMURA
at NICHIA CORPORATION
FORMAT OF BD
It comes in four different formats:
 BD-ROM (read only) : for reading recorded content.
 BD-R (recordable) : for PC data storage.
 BD-RW (rewritable) : for PC data storage.
 BD-RE (rewritable) : for HDTV (high definition television) recording.
TYPES OF BD:
SINGLE LAYER :

- Can hold data up to 25/27 GB that means 2 hrs of HD video or about 13 hrs 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.
THE TECHNOLOGY
Pits : spiral grooves that run from the centre of the disc to its edges
Bumps : other sides of these edges.
Track pitch : it is the distance between the two tracks (of pits) on the surface.
Disc store digitally encoded data in PITS.
THE TECHNOLOGY
So, in blu-ray disc:
Pit size – 0.15 microns ( more than twice as small as the pits on DVD )
Track-pitch is : 0.32 microns
Laser needed : blue-violet laser (405 nm)
Data transfer rate : 36 Mbps
COMPARISON IN BUILDING BD AND DVD
BD
 Data is placed on top of a 1.1 mm thick polycarbonate layer
 Doesn’t suffer from BIREFRINGENCE
 Doesn’t suffer from DISC TILT
 Hard coating is placed outside to protect from scratches or fingerprints
DVD
 Data is sandwiched b/w two polycarbonate layers, each 0.6 mm thick
 Suffer from BIREFRINGENCE
 Suffer from DISC TILT
 No such hard coating is placed
BLU RAY ‘S DURABILITY ADVANTAGE
 Various hard coating technologies make Bly ray disc most durable and family -friendly”
 Hard-coating technology provides resistance to:
- Finger prints
- Marks
- Scratches
- Dust
 Much more ROBUST than today’s polycarbonate-based CD/DVD’s (and HD DVD’s)
FEATURES OF BD
With 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 avoid recording over a program
 Access to web to download subtitles and other extra features
 And many more…
BLY-RAY’S DENSITY ADVANTAGE
 Higher density enables better data seek times
 Shorter to travel for same amount of data results in faster data seek
 Better for random access of data
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.
On GAURD
• Blu-ray discs are better armed than current DVD’s. They come equipped with a secure encryption system– a unique ID that protects against video piracy and copyright infringement.
DO MORE WITH BLU…
 More capacity, Density and Performance
 More Industry Support/Consumer Reach (BDA has 140+ members)
 More Durable
 More Interactive User Experience
 More Flexible Content Protection: AAC, BD+ Renewability Technology and ROM Mark
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#6
18-01-2012, 09:44 AM


to get information blue ray disk full report ,ppt and related topic refer the link bellow

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pandit_cool
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#7
16-03-2012, 12:05 AM

sombody send me a free links to download report and ppt on blu ray disc! asap plz
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#8
16-03-2012, 10:16 AM

to get information about the topic " blue ray disc" full report ppt and related topic refer the link bellow

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