of 17
8/8/2019 Introduction of Blu-ray Disc
1/17
INTRODUCTION OF BLU-RAY
DISC
Presented by Khushboo
Career development center
8/8/2019 Introduction of Blu-ray Disc
2/17
Table of content
HISTORY
THE NAME
FORMATOF BD
TYPES OF BD THE TECHNOLOGY
COMPARISON WITH DVD IN BEAM SIZE.
HCL
8/8/2019 Introduction of Blu-ray Disc
3/17
HISTORY
First GenerationCompact disc (CD)-650/700mb
Wavelength of laser which read data-780nm
Color of laser: RED
Second Generation
Digital versatile disc(DVD)-4.77GB
With good quality sound and video than cd
Wavelength is 650nm
Color of laser: RED
continue..
HCL
8/8/2019 Introduction of Blu-ray Disc
4/17
Third Generation
Blu-ray disc (BD)-25/50 GBNext generation optical disc format developed by blu-ray ,
Association which includes Apple,Hitachi,HP,LG,Panasonic,
Pioneer, Sharp, Sony,Philips,Samsung
Wave length of laser that read data-405nm
Color of laser: Blue-violet
which was developed by Shuji nakamura at NICHIA corporation.
HCL
8/8/2019 Introduction of Blu-ray Disc
5/17
THE NAME
Its name derived from the underlying technology, which utilizes a
Violet laser.
That read and write data. it's a combination of BLUE blue violet
Laser and RAY "optical ray.According to BDA its not a mistake in spelling of blu-ray character
e was intentionally left out so the terms could be registered as
Trade mark.
Correct abbreviation is BD not BD
R
.
HCL
8/8/2019 Introduction of Blu-ray Disc
6/17
FORMATOF BD
There are four types of BD formats.
BD-ROM(read only): for reading recorded content.
BD-R(readable): for pc data storage.
BD-RW(rewritable): for pc data storage
BD-RE(rewritable): for HDTV(high definition television)recording.
HCL
8/8/2019 Introduction of Blu-ray Disc
7/17
TYPES OF BD
SINGLE LAYER-: can hold up to 25/27 gb that means 2 hrs or 13 hrs or
about 13 hrs of standard video.
DOUBLE LAYER-: can hold up to 50gb that means 4.5 hrs or about
20 hrs standard video.
HCL
8/8/2019 Introduction of Blu-ray Disc
8/17
8/8/2019 Introduction of Blu-ray Disc
9/17
8/8/2019 Introduction of Blu-ray Disc
10/17
8/8/2019 Introduction of Blu-ray Disc
11/17
Comparison CD,DVD HD DVD & Blu-ray disc
8/8/2019 Introduction of Blu-ray Disc
12/17
Comparison in beam size
8/8/2019 Introduction of Blu-ray Disc
13/17
Comparison in building BD an DVD
BD
Data is placed on top of a 1.1
mm thick polycarbonate layer.
Does not suffer from disc tilt.
Hard coating is placed out side to
protect from scratches or finger
prints.
DVD
Data is sandwich b/w two
polycarbonate layer, each 0.6
mm thick.
Suffer from disc tilt.No such hard coating is placed.
HCL
8/8/2019 Introduction of Blu-ray Disc
14/17
FEATURESOF BD
With BD we can--:Instantly skip to any spot on disc.
Record any program while watching other on the disc.
Record HDTV without any quality loss.
Create play list.
Edit or reorder programs recorded on the disc.
Automatically reach for an empty on the disc to avoid recording
over the program
Can down load subtitle and other extra features.
AND many more..
HCL
8/8/2019 Introduction of Blu-ray Disc
15/17
BLU-RAYS Durability
Various hard coating technologies make BLU-RAY DISC must
durable and family friendly.
Hard coating technology provides resistances to:
--Finger prints
--Means--Scratches
--Dust
Much more ROBUST than todays polycarbonate based (CD/DVD)
and( HP DVDS).
HCL
8/8/2019 Introduction of Blu-ray Disc
16/17
BLU-RAY DENSITY ADVANTAGE
Higher density enables
better data seek time.
Shorter to travel same
amount of data result in thefaster data seek.
Better for random access of
data.
HCL
8/8/2019 Introduction of Blu-ray Disc
17/17
THANK YOU