Copy of Copy of Blue Ray Disk

8/7/2019 Copy of Copy of Blue Ray Disk

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NEXT-GEN OPTICAL STORAGE MEDIUM


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A Blu-ray is an

optical disc just like

CD or a DVD.

Same size and width

as a DVD or CD.


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Blue Ray DiskBlue Ray Disk

Blue Ray Disk offers

five times the storage

capacity

of traditional DVDs

25GB on a single-layer disc

and 50GB

on a dual-layer discCombined

with

advanced video and

audio codecs


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0.7

4.7

25

0

5

10

15

20

25

30

CD DVD Blu- y Disc

Gigabyt

s(GB)

A single layer blu-raydisc as a capacityof25

GB which about 5 times the capacityofDVD.


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Many Blue Ray Movies are alreadyMany Blue Ray Movies are already

launchedlaunched


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There are two typesThere are two types

OfOfBlue Ray DisksBlue Ray Disks


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Paper based Blue Ray DiskPaper based Blue Ray Disk

Developed by SONY and Toppan Printing in Japan

XIt uses MIXTURE ofPAPER & ANOTHER POLYMER

instead ofPOLYCARBONATE for substrate .Y Environment friendly.

ZCrude Oil required for polycarbonate is a limited

resource but paper can be recycled.[ No loss in storage space on disk occurs.

\Decrease in the amount of raw material needed to

produce a disk.


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SONY is leading paper basedSONY is leading paper based

Blue Ray Disc ManufacturerBlue Ray Disc Manufacturer

Above picture shows the Paper based blueray discs of 25 GB storage capacitymanufactured by SONY


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Technology to protect the disc from scratchesand other damages.XTDK Inc. :It uses DURABIS coating made up

of recently introduced Clear Polymer .It hasscratch resistance & can successfully resistwire wool scrubbingYSony's rewritable media are sprayed with a

scratch-resistant and antistatic coating.

ZVerbatim recordable and rewritable Blu-rayDisc discs use their own proprietary hard-coating technology called SCRATCHGUARD.

Hard Coating Technology


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Audio and Video Compression

supported by Blue Ray Disk


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Audio and Video Formats

Raw Audio/Video Data

On CDs & DVDs

Compressed

Audio/Video Dataon

Blue ray Disks

COMPRESSION


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Example:

Mp3 (.mp3) audio format

Compressing

Raw Audio

30 MB

Mp3 file

5 MB


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Audio and Video Formats

COMPRESSION

Classified as:

Lossy

Lossless


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quality decreases.

Example:

Mpeg (.mpg) video format

Lossy..


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Lossless.. no quality loss

Example:


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Features ofFeatures of

Blue Ray DiskBlue Ray Disk

Physical MediaPhysical Media

Recording SpeedRecording Speed

Laser and OpticsLaser and Optics

High data transferHigh data transfer speedspeed


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Lets see the Major differencesLets see the Major differences

between Blue Ray Disk and DVDbetween Blue Ray Disk and DVD


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Storage

capacity

single

layer4.7 GB 25 GB

dual

layer8.5 GB 50 GB

Laser Wavelength 650nm(red

laser)

405nm (blue-

violet laser)

SD Playback time 3.8 hrs 22.2 hrs


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Video Codec MPEG-1 / MPEG-2MPEG-4 / VC-1 /

MPEG-2

Audio codec Dolby Digital @448 Kbit/s

Dolby Digital @640 Kbit/s


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Transfer

Bit rate

Raw Data11.08

Mbit/s

53.95

Mbit/s

Audio+Video 9.8Mbit/s 40 Mbit/s

Video Resolution

(max) 19201080 720480


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What makes the Blue Ray DiskWhat makes the Blue Ray Disk

different?different?

Morestorage

space onlong

Spiral Track

causes

Small width ofSPIRAL GROOVE

& allowsSmall width ofTRACK PITCH

Toaccommodate

Long SpiralTrack in

same size

of disk

Width ofSpiral groove

Width of

Track Pitch

CD 0.5m 1.6 m

DVD 0.32m 0.74 m

BD 0.15 m 0.32 m


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Blue Ray DisksBlue Ray Disks

TDKs Single layer 25 GB

Blue Ray Disk with 1-2x

speed

Verbatims Single layer25GB Rewritable Blue Ray

Disk with 1-2 x speed


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SONY 50 GB Blue Ray

Disk

Panasonics 25 GB Blue

Ray Disk


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BLUE RAY DISKBLUE RAY DISK RomsRoms--WritersWriters Pioneer BD Rom (BDR 101A)

Single layer access at 5x speedDual layer access at 2x speed.

It can also read & burn

DVDs & CDs

LGs Super Multi Blue

Player that can read &

burn CD,DVD,HD DVD

& BD.


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Samsungs Blue Ray Disk drive supportsSamsungs Blue Ray Disk drive supports

both Blue Ray & DVD formatsboth Blue Ray & DVD formats


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Philips Standalone Universal BluePhilips Standalone Universal Blue

Ray Disk PlayerRay Disk Player

It supports all the formats (CD,DVD,HD DVD,BD)

giving superiors outputs


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Vida Box Player : plays both

BD & HD DVD

Samsung Universal Player :

BD-UP5000Vida Box BD PlayerVida Box BD Player

Digital DV-970HD DVD Universal Player: Supports allFormats( CD,DVD,HD DVD, BD)


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Future of Blue Ray DiskFuture of Blue Ray Disk

PresentPresent BlueBlue RayRay DiskDisk availabilityavailability:: SingleSingle LayerLayer((2525 GB)GB) && DoubleDouble LayerLayer ((5050 GB)GB)

TheThe QUADQUAD LAYERLAYER BlueBlue RayRay DiskDisk withwith 100100 GBGB

storagestorage isis likelylikely toto emergeemerge inin USUS marketmarket.. TheThe CompanyCompany TDKTDK saidsaid thatthat itit isis workingworking withwith

66 layerlayer blueblue rayray diskdisk withwith storagestorage ofof 200200 GBGB

CompanyCompany JVCJVC announcedannounced thethe uniqueunique 33 layerlayerBDBD\\DVDDVD combocombo diskdisk thatthat willwill runrun inin DVDDVD RomRomwithwith SDSD DVDDVD qualityquality && asas BlueBlue RayRay DiskDisk inin BDBD--RomRom givinggiving superiorsuperior qualityquality


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Copy of Copy of Blue Ray Disk