Description of Operation
 Blu-Ray disks are
created by injection
mold
 Reading and writing of
data are done by a 405nm blue laser which is
focused to either create
or read the pits in the
surface of the disk.
 Data can be transferred
at approximately 36
Mbps
Blu-Ray Benefits:
• Better than normal DVDs:
more than 5x storage enabling 9 hours of HD video
(23 standard definition)
 red laser to blue-violet laser with greater precision
allows data to be packed more tightly
More room for additional content: intricate menus,
special features, games
 allows for better sound: uncompressed Dolby Digital (8 channels)
Best Quality Picture : High Definition (sharp, vivid colors,
5x amount of detail of DVDs
• Supported by ~200 of world’s leading consumer electronics companies
• Future-proof: new technology involving multi-layer disks,
allowing 100-200 GB storage
• In the end, No more expensive to manufacture Blu-Rays than DVDs.
• Talk of a Blu-Ray/DVD hybrid format that will play in both players.
• Movie quality in your own home – new trend of ‘home theaters’
Criticisms of Blu-Ray Technology
 The number one
Criticism of Blu-Ray is
the high purchasing
cost
 Average Cost of BluRay Player : $380.33
 Average Cost of a BluRay Disk: $12.00
Criticisms of Blu-Ray Technology
Cont.
 The number two most
common criticism of BluRay Technology is the
“general dislike” for the
new disk format based
on two things, a long
history of failed Sony
formats and a perceived
arrogance on the part of
the company –
(Cmyfony)