1
SeminarSeminar
onon
Blu-ray DiscBlu-ray Disc
October 11, 2008October 11, 2008
Er. Rajesh KumarEr. Rajesh Kumar
M.Tech (E...
2
EvolutionEvolution
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
 VHS: analogVHS: analog
DVD: digita...
3
FoundationFoundation
 Blu-ray disc (BD) is appropriately namedBlu-ray disc (BD) is appropriately named
after the blue l...
4
Disc CharacteristicsDisc Characteristics
 Single layer: 25 GBSingle layer: 25 GB
Dual layer: 50 GBDual layer: 50 GB
 D...
5
Disc Characteristics(conti.)Disc Characteristics(conti.)
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper...
6
Disc CharacteristicsDisc Characteristics
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
 Numerical Ap...
7
Comparison:Comparison: CD, DVD & Blu-ray DiscCD, DVD & Blu-ray Disc
 Due to the fact that the data layer on a Blu-rayDu...
8
Recorder CharacteristicsRecorder Characteristics
 Over two hours of HDTV can be placed on a single layerOver two hours ...
9
Capacity ComparisonCapacity Comparison
“Courtesy: How Stuff Works”
10
CompatibilityCompatibility
Courtesy <http://www.jvc-victor.co.jp/english/press/2004/bd-dvd.html>
 This issue has intro...
11
Protection SystemProtection System
 HDTV contains a copyright bit that isHDTV contains a copyright bit that is
detecte...
12
EnhancementsEnhancements
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
 Error rates increased in re...
13
Enhancements(conti.)Enhancements(conti.)
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
 A hard coat...
14
Features of BLU-RAY DiscFeatures of BLU-RAY Disc
----------------------------------------------------------------------...
15
ManufacturingManufacturing
* BD Cover Manufacturing Process* BD Cover Manufacturing Process
Courtesy Blu-ray Disc Found...
16
Recording & PlaybackRecording & Playback
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
17
Address FormatAddress Format
*Using Groove Wobbles*Using Groove Wobbles
Courtesy Blu-ray Disc Founders “Blu-ray Disc Fo...
18
Write pulse waveformWrite pulse waveform
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
19
Write strategyWrite strategy
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
20
CODING FOR BD OPTICAL RECORDINGCODING FOR BD OPTICAL RECORDING
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format Whit...
21
Modulation code and error correcting codeModulation code and error correcting code
FOR DIGITAL STORAGE SYSTEMFOR DIGITA...
22
Error distributionsError distributions
For 50GB CapacityFor 50GB Capacity
Courtesy Blu-ray Disc Founders “Blu-ray Disc ...
23
FutureFuture
 Expect the BD to become more prevalentExpect the BD to become more prevalent
once the HDTV market establ...
24
 Sony has made the Disc with size 200GB already.Sony has made the Disc with size 200GB already.
 Pioneer announced on...
25
Commercial MarketCommercial Market
Blu-ray drivesBlu-ray drives
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format Whi...
26
Blu-ray MediaBlu-ray Media
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
27
Blu-ray RecordersBlu-ray Recorders
Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
28
 http://http://www.digitaljournal.comwww.digitaljournal.com/article/254136/article/254136
 http://http://www.blu-ray....
29
ENDEND
OF THEOF THE
SLIDE SHOWSLIDE SHOW
ANY QUERY PLEASEANY QUERY PLEASE
????????????
30
THANKSTHANKS
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Shortcut to 17454885 blu-ray-disc-seminar-23

  1. 1. 1 SeminarSeminar onon Blu-ray DiscBlu-ray Disc October 11, 2008October 11, 2008 Er. Rajesh KumarEr. Rajesh Kumar M.Tech (ECE)M.Tech (ECE) INDIAINDIA
  2. 2. 2 EvolutionEvolution Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”  VHS: analogVHS: analog DVD: digitalDVD: digital BD: high-definitionBD: high-definition  Enables recording,Enables recording, rewriting, andrewriting, and playback of high-playback of high- definition videodefinition video  Capable of storingCapable of storing information that theinformation that the DVD and CD are notDVD and CD are not capable of holdingcapable of holding
  3. 3. 3 FoundationFoundation  Blu-ray disc (BD) is appropriately namedBlu-ray disc (BD) is appropriately named after the blue laser used to write the dataafter the blue laser used to write the data  The first blue laser was developed in 1996The first blue laser was developed in 1996 by Shuji Nakamura (Nichia Corporation)by Shuji Nakamura (Nichia Corporation)  In 2002, an alliance was formed, calledIn 2002, an alliance was formed, called the Blu-ray Disc Association, including thethe Blu-ray Disc Association, including the likes of Sony, Samsung, Sharp, Hewlett-likes of Sony, Samsung, Sharp, Hewlett- Packard, and Royal PhillipsPackard, and Royal Phillips  The “e” is intentionally left out of the nameThe “e” is intentionally left out of the name due to trademark restrictionsdue to trademark restrictions
  4. 4. 4 Disc CharacteristicsDisc Characteristics  Single layer: 25 GBSingle layer: 25 GB Dual layer: 50 GBDual layer: 50 GB  Diameter: 120 mmDiameter: 120 mm  Thickness: 1.2 mmThickness: 1.2 mm  Center holeCenter hole diameter: 15 mmdiameter: 15 mm  Uses GaN laser ofUses GaN laser of wavelength 400 nmwavelength 400 nm  The smaller laser,The smaller laser, compared to thecompared to the DVD and CD, keepsDVD and CD, keeps the process morethe process more efficient (~5 mW)efficient (~5 mW) Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  5. 5. 5 Disc Characteristics(conti.)Disc Characteristics(conti.) Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”  The powerThe power conservationconservation allows theallows the development ofdevelopment of multi-layermulti-layer platforms andplatforms and high-speedhigh-speed recording.recording.  BD-ROM: read-BD-ROM: read- only format.only format.  BD-R and BD-RE:BD-R and BD-RE: recordable formatsrecordable formats (RE: rewritable; R:
  6. 6. 6 Disc CharacteristicsDisc Characteristics Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”  Numerical Aperature measures the ability of a lens to gather andNumerical Aperature measures the ability of a lens to gather and focus light. As the numerical aperture increases, the focusingfocus light. As the numerical aperture increases, the focusing power increases and the beam size decreases.power increases and the beam size decreases.  Phase change implies that the disc section is either an amorphousPhase change implies that the disc section is either an amorphous or crystalline state. The reflectivity changes accordingly thusor crystalline state. The reflectivity changes accordingly thus representing a binary bit.representing a binary bit.
  7. 7. 7 Comparison:Comparison: CD, DVD & Blu-ray DiscCD, DVD & Blu-ray Disc  Due to the fact that the data layer on a Blu-rayDue to the fact that the data layer on a Blu-ray Disc is placed much “closer” to the laser lens thanDisc is placed much “closer” to the laser lens than in DVD , there is less distortion resulting inin DVD , there is less distortion resulting in significantly improved tolerances. Hence, moresignificantly improved tolerances. Hence, more precision and ultra high storage densities areprecision and ultra high storage densities are made possible.made possible. Courtesy <http://www.jvc-victor.co.jp/english/press/2004/bd-dvd.html>
  8. 8. 8 Recorder CharacteristicsRecorder Characteristics  Over two hours of HDTV can be placed on a single layerOver two hours of HDTV can be placed on a single layer BD, which correlates to over 13 hours for standard TV.BD, which correlates to over 13 hours for standard TV.  The transfer rate is 36 megabits per second.The transfer rate is 36 megabits per second.  At 1x speed, it takes approximately 1.5 hours to recordAt 1x speed, it takes approximately 1.5 hours to record an entire single layer BD.an entire single layer BD.  Recorder Cost: $1,500 - $2,500; BD Cost: $26.Recorder Cost: $1,500 - $2,500; BD Cost: $26.  BD’s are commercially available in the U.S. since 2006.BD’s are commercially available in the U.S. since 2006.
  9. 9. 9 Capacity ComparisonCapacity Comparison “Courtesy: How Stuff Works”
  10. 10. 10 CompatibilityCompatibility Courtesy <http://www.jvc-victor.co.jp/english/press/2004/bd-dvd.html>  This issue has introduced a competitor, the HD-DVD, that based itsThis issue has introduced a competitor, the HD-DVD, that based its technology around being compatible with the DVD.technology around being compatible with the DVD.  Recently the BDA has developed recorders that are BD/DVD/CDRecently the BDA has developed recorders that are BD/DVD/CD compatible.compatible.  JVC has advanced the BD by developing a BD/DVD combo disc thatJVC has advanced the BD by developing a BD/DVD combo disc that stores both DVD and BD data. It is composed of two DVD layers and astores both DVD and BD data. It is composed of two DVD layers and a third BD layer storing 33.5 GB total.third BD layer storing 33.5 GB total.
  11. 11. 11 Protection SystemProtection System  HDTV contains a copyright bit that isHDTV contains a copyright bit that is detected by the BD recorder. If thedetected by the BD recorder. If the broadcast has no copyright bit, then thebroadcast has no copyright bit, then the BD recorder is allowed to store theBD recorder is allowed to store the information.information.  Uses the Data Encryption Standard (DES)Uses the Data Encryption Standard (DES) that has a key length of 56 bits.that has a key length of 56 bits.  A Key Block and Disc ID are written intoA Key Block and Disc ID are written into the ROM area to prevent illegal copying.the ROM area to prevent illegal copying.
  12. 12. 12 EnhancementsEnhancements Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”  Error rates increased in reading and writing after theError rates increased in reading and writing after the original BD suffered scratches and fingerprints.original BD suffered scratches and fingerprints.  For protection, the prototype BD was enclosed in aFor protection, the prototype BD was enclosed in a case.case.  The case increased the size of the disc drive.The case increased the size of the disc drive.
  13. 13. 13 Enhancements(conti.)Enhancements(conti.) Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”  A hard coat wasA hard coat was derived of anderived of an ultraviolet-ultraviolet- curable resin thatcurable resin that has a scratchhas a scratch resistance similarresistance similar to the DVD.to the DVD.  An artificialAn artificial fingerprintfingerprint reagent is placedreagent is placed on the discon the disc surface to resistsurface to resist fingerprint oils.fingerprint oils.
  14. 14. 14 Features of BLU-RAY DiscFeatures of BLU-RAY Disc --------------------------------------------------------------------------  MANUFACTURINGMANUFACTURING  RECORDINGRECORDING  PLAY BACKPLAY BACK
  15. 15. 15 ManufacturingManufacturing * BD Cover Manufacturing Process* BD Cover Manufacturing Process Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  16. 16. 16 Recording & PlaybackRecording & Playback Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  17. 17. 17 Address FormatAddress Format *Using Groove Wobbles*Using Groove Wobbles Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  18. 18. 18 Write pulse waveformWrite pulse waveform Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  19. 19. 19 Write strategyWrite strategy Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  20. 20. 20 CODING FOR BD OPTICAL RECORDINGCODING FOR BD OPTICAL RECORDING Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  21. 21. 21 Modulation code and error correcting codeModulation code and error correcting code FOR DIGITAL STORAGE SYSTEMFOR DIGITAL STORAGE SYSTEM Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  22. 22. 22 Error distributionsError distributions For 50GB CapacityFor 50GB Capacity Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  23. 23. 23 FutureFuture  Expect the BD to become more prevalentExpect the BD to become more prevalent once the HDTV market establishes itsonce the HDTV market establishes its presence.presence.  Audio and video will reach higher qualitiesAudio and video will reach higher qualities with larger storage space.with larger storage space.  Look for BD with more than two layers asLook for BD with more than two layers as the technology is further refined.the technology is further refined.
  24. 24. 24  Sony has made the Disc with size 200GB already.Sony has made the Disc with size 200GB already.  Pioneer announced on August 5, 2008 , that theyPioneer announced on August 5, 2008 , that they have got successhave got success in making BD within making BD with increased Disc Sizeincreased Disc Size of 500GB.of 500GB. Future(conti.)Future(conti.)
  25. 25. 25 Commercial MarketCommercial Market Blu-ray drivesBlu-ray drives Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  26. 26. 26 Blu-ray MediaBlu-ray Media Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  27. 27. 27 Blu-ray RecordersBlu-ray Recorders Courtesy Blu-ray Disc Founders “Blu-ray Disc Format White Paper”
  28. 28. 28  http://http://www.digitaljournal.comwww.digitaljournal.com/article/254136/article/254136  http://http://www.blu-ray.comwww.blu-ray.com/news/?id=1616,/news/?id=1616,  http://http://www.docstoc.comwww.docstoc.com/docs/424938/White-paper-General-/docs/424938/White-paper-General- Blu-ray-Disc-FormatBlu-ray-Disc-Format  http://http://allfreedownloadlinks.comallfreedownloadlinks.com/free-softwares/free-/free-softwares/free- multimedia-software/blu-ray- to-dvd-pro-v120/multimedia-software/blu-ray- to-dvd-pro-v120/  http://http://reviews.cnet.comreviews.cnet.com/1770-9991_7-0.html?query=/1770-9991_7-0.html?query= blu+ray+disc&searchtype=products&tag=ltcol;narrowblu+ray+disc&searchtype=products&tag=ltcol;narrow  http://http://en.wikipedia.orgen.wikipedia.org/wiki/Blu-ray_Disc#/wiki/Blu-ray_Disc# Technical_specificationsTechnical_specifications  http://http://www.thefreelibrary.comwww.thefreelibrary.com/_/search/Search.aspx?/_/search/Search.aspx? SearchBy=0&Word=blu+ray+disc&By=0SearchBy=0&Word=blu+ray+disc&By=0 BibliographyBibliography
  29. 29. 29 ENDEND OF THEOF THE SLIDE SHOWSLIDE SHOW ANY QUERY PLEASEANY QUERY PLEASE ????????????
  30. 30. 30 THANKSTHANKS

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