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Contents Pages
Part A: Briefly describe the Blu-ray. 2-3
Part B: The function of Blu-Ray. 4-6
Part C: Industry that Uses the Blu-Ray. 7-9
References 10
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Part A: Briefly describe the Blu-ray.
Blu-ray
Definition of Blu-ray Disc.
Blu-ray Disc is a next-generation, optical disc format that enables theultimate high-def entertainment experience. Blu-ray Disc can be shortened
down to "BD. Blu-ray Disc provides these key features and advantages of theblu-ray. Blue-ray can be maximum picture resolution. Blu-ray Disc delivers full1080p* video resolution to provide pristine picture quality, and Largest capacity
available anywhere (25 GB single layer/50 GB dual layer). Blu-ray Disc offersup to 5X the capacity of today's DVDs.It is the best audio possible, and also
blu-ray Disc provides as many as 7.1 channels of native, uncompressedsurround sound for crystal-clear audio entertainment. Blu-ray enhanced
interactivity to enjoy such capabilities as seamless menu navigation, exciting,new bonus features, and network/Internet connectivity.
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HistoryThe Blu-ray Disc specification was officially announced in February
2002. Blu-ray Disc recorders were first launched in Japan in 2003. Blu -ray Disc
players appeared globally in early 2006. The name Blu -ray Disc refers to the
blue laser that is used to read from and record to a Blu -ray Disc. In comparisonto a red laser, as used in DVD and CD, a blue laser allows for a much higher
density and hence larger storage capacity. "Blu" is intentionally spelled withoutan "e" to allow for a distinctive registration of the trademark name.
The group of companies that develops the Blu-ray Disc format wasinitially called Blu-ray Disc Founders, and it was established in early 2002. InJune 2004, the group was renamed to Blu-ray Disc Association to underline its
intentions to welcome other companies to join the association.
Parameters Blu-ray
Storage capacity 25GB (single-layer)50GB (dual-layer)
Laser wavelength 405nm (blue laser)
Numerical aperture (NA) 0.85
Disc diameter 120mm
Disc thickness 1.2mm
Protection layer 0.1mm
Hard coating Yes
Track pitch 0.32m
Data transfer rate (data) 36.0Mbps (1x)
Data transfer rate (video/audio) 54.0Mbps (1.5x)
Video resolution (max) 19201080 (1080p)
Video bit rate (max) 40.0Mbps
Video codecs MPEG-2MPEG-4 AVC
SMPTE VC-1
Audio codecs Linear PCM
Dolby DigitalDolby Digital PlusDolby TrueHD
DTS Digital SurroundDTS-HD
Interactivity BD-J
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Part B: The function of Blu-Ray.
y Blu- ray disc are recordable with unrivaled storage capacity :The Blu-ray disc have recordable and it refers to two optical disc formats that can be recorded
with an optical disc recorderwhich also can be erased and re-recorded multiple times.Provides 25 GB (single layer) or 50 GB (dual layer) on a single-sided disc, compared to 4.7
(single layer) and 8.5 GB (dual layer) on a single-sided DVD disc.The current practicalmaximum speed for Blu-ray Discs is about 12 times higher speeds of rotation (10,000+ rpm)
cause too much wobble for the discs to be read properly, as with the 20 times and 52 timesmaximum speeds, respectively, of standard DVDs and CDs. Since September 2007, there is
also available in the smaller 8 cm Mini Blu-ray Disc size. Blu-ray Disc offers the highestcapacity on the market without compromising quality. Blue laser technology enables up to 50
GB of storage, or five times the capacity of todays DVDs.
y Blu-ray Disc player have high interactivity and connectivity to internet with advanceddurability
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Stunning high definition bonus features and a Blu-ray Disc player equipped with BD Live for Internet
connectivity. It can enhance the movie you watch with live updates or live events built around the
Blu-ray Disc content. If you just want to sit back and enjoy the movie, Blu-ray Disc allows for easy
navigation through the film with convenient pop-up menus. Blu-ray Disc supports high bit rate, high-
definition video at resolutions of up to 1,920 x 1,080, compared to DVD's 640 x 480, in progressive
and interlaced formats..Most products to choose from Blu-ray Disc have broader industry support at
launch than any disc format ever introduced. It enjoys the enthusiastic support of major companies in
electronics, computers, videogames, recording media, music and movies. It is also rich interactivity
capabilities with Java thatprovides widely supported content development platform that movie
studios and gaming companies can use to provide creative interactive content for the next decade or
more with the connectivity to internet thatprovides the ability to establish a direct connection to the
Internet, so that content stored on Blu-ray Discs can be enriched with Web-based content.
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y Blu-ray players can play your DVDsIt has the same size and look as CD and DVD, enabling Blu-ray Disc drives that can read and write
CDs and DVDs. The Blu-ray Disc system uses the standard 12 cm and 8cm disc sizes to support
backward compatibility with your existing CDs and DVDs. That means we do not have to throw away
our current collections and start from scratch-they can still be enjoyed on a wide range of Blu-ray
Disc playback products, including players, game consoles and Blu-ray Disc drives.
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Part C: Industry that Uses the Blu-Ray.
Since the industrial revolution, there have been a great number of inventions that have skyrocketed in
the past one hundred years, not to mention the innovation on behalf of scientists around the world.
Everything from fighter jets, missiles, planes, ships, submarines, telephones, electricity, computers,
internet, cable, television, motion pictures, and of course the Blu Ray Disc were seemingly created
from this one small revolution. The functions of Blu-ray keep upgrading and keep growing in various
industries.
The industry which uses the Blu-ray includes:
Electronic Industry
The electrical and electronics industry changed drastically after the turn of the millennium, seeing ahuge growth in the past decade. Nowadays, most people will have a High definition TV [HDTV]. To
make it more perfectly, Blu-ray Disc offers the ideal content delivery system for pre-recorded media.
Aside from that, Blu-ray featuring the most advanced recording capability for the owners of HDTVs.
With the capability or functions in Blu-ray Disc, it allowed the users to record or stores an enormous
amount of High Definition Broadcasts. Blu-ray Disc will retain all the detail from the original and
absolute best quality. By the end, the Blu-ray Disc is more likely to increase the industry of HDTVs.
Some Electronics companies which had supported Blu-ray Disc are Hitachi, LG Electronics,Matsushita (Panasonic), Mitsubishi, Pioneer, Philips, Samsung, Sharp and Sony.
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Computer Industry
The storage inside PCs wills easy stuff up with all the users personal files such as music, video and
etc. Gear up with the unlimited download from the internet. The storage of the PC should be jam in no
longer period. In the market for data storage, there have alternative ways to store this data, such as
CDs and DVDs. Yet they only can fulfill substantial portion of it. Blu-ray Disc can help to solve the
problem as it has large amounts of capacity to be used. Blu-ray Disc in a PC can allowed reading from
and recording to CD and DVD media. This make easy for the consumers. Aside from that, the
physical size is identical to DVDs and CDs. The cost of a Blu-ray Disc is value due to its GB, its a
very economical storage medium.
Some Computer companies which had supported Blu-ray Disc are Apple, HP and Dell, which have
adopted the Blu-ray Disc format in their top-of-the-line models.
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Entertainment Industry
Blu-ray Disc can bring out more lively high quality picture and the sound in home. The motion of
picture is imagery and smoother scene transitioning in order to make the films seems more spectacular
than normal life. The users may experience the feeling of reality of the picture while sitting in front of
their television set. Blu-ray has increasingly established its position as the number one choice of next
generation of home entertainment.
The Companies that have being supported Blu-ray Disc are Warner Bros. Entertainment Inc.,
Twentieth Century Fox Home Entertainment, Paramount, Lionsgate Entertainment, Universal Studios
Home Entertainment and etc.
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References:
y http://en.wikipedia.org/wiki/Blu-ray_Discy http://www.blu-raydisc.com/en.htmly http://www.bva.org.uk/market-information/market-information-news/home-entertainment-
industry-shows-growth-built-rising-blu
y http://www.blu-ray.com/faq/y http://www.blu-ray.com/info/
~THANK YOU~