Blu-ray Disc recordable
Encyclopedia
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Blu-ray Disc
Blu-ray Disc is an optical disc storage medium designed to supersede the DVD format. The plastic disc is 120 mm in diameter and 1.2 mm thick, the same size as DVDs and CDs. Blu-ray Discs contain 25 GB per layer, with dual layer discs being the norm for feature-length video discs...
recordable (or BD-R) refers to two direct to disc optical disc recording technologies
Optical disc recording technologies
Optical disc authoring requires a number of different optical disc recorder technologies working in tandem, from the optical disc media to the firmware to the control electronics of the optical disc drive...
that can be recorded on to an optical disc
Optical disc
In computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes binary data in the form of pits and lands on a special material on one of its flat surfaces...
with an optical disc recorder
Optical disc recorder
In computing, an optical disc drive is a disk drive that uses laser light or electromagnetic waves near the light spectrum as part of the process of reading or writing data to or from optical discs. Some drives can only read from discs, but recent drives are commonly both readers and recorders,...
. BD-R discs can be written to once, whereas BD-RE (Blu-ray Disc Recordable Erasable) can be erased and re-recorded multiple times. Disc capacities are 25 GB
Gigabyte
The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
(23.28 GiB
Gib
Gib may refer to:* A castrated male cat or ferret* Gibibit , measurement unit of digitally stored computer information* Gibraltar, British overseas territory* Drywall, construction material...
) for single-layer discs, 50 GB (46.57 GiB
Gib
Gib may refer to:* A castrated male cat or ferret* Gibibit , measurement unit of digitally stored computer information* Gibraltar, British overseas territory* Drywall, construction material...
) for double-layer discs, 100 GB
Gigabyte
The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
for triple-layer discs, and 128 GB
Gigabyte
The gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
for quad-layer discs.
Version
There are four versions of Blu-ray DiscBlu-ray Disc
Blu-ray Disc is an optical disc storage medium designed to supersede the DVD format. The plastic disc is 120 mm in diameter and 1.2 mm thick, the same size as DVDs and CDs. Blu-ray Discs contain 25 GB per layer, with dual layer discs being the norm for feature-length video discs...
Rewritable (BD-RE) and three versions of Blu-ray Disc Recordable (BD-R). Each version includes three Parts (a.k.a. Books): Basic Format Specifications, File System Specifications, Audio Visual Basic Specifications. Each part has sub-versions (e.g. R2 Format Specification includes Part 3: Audio Visual Basic Specifications Ver.3.02, Part 2: File System Specifications Ver. 1.11, Part 1: Basic Format Specifications Ver. 1.3).
BD-RE versions
Version 1.0—RE 1.0- defined in 2002
- unique BD File System (BDFS)
- not computer compatible
- BDAV (Blu-ray Disc Audio/Visual) application format
- BDCP as content protection
Version 2.0—RE 2.0
- defined in 2005
- UDFUniversal Disk FormatUniversal Disk Format is an implementation of the specification known as ISO/IEC 13346 and ECMA-167 and is an open vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660...
2.5 file system for computer use - the use of AACSAdvanced Access Content SystemThe Advanced Access Content System is a standard for content distribution and digital rights management, intended to restrict access to and copying of the "next generation" of optical discs and DVDs. The specification was publicly released in April 2005 and the standard has been adopted as the...
- added Hybrid Format—defined for combined discs of BD/CD or BD/DVD. However, BD recording medias (BD-RE and BD-R) are inapplicable. This book is attached to "Part 1 Basic Format Specifications" of every format, except BD-RE Version 1.
- BD-R Version 1.0 follows this specification
Version 3.0—RE 3.0
- defined in September 2006
- camcorder (8 cm) discs added—camcorder is added as one of BD product categories
- backward compatible with Version 2.0
- added BDMV (Blu-ray Disc Movie) application format
- BD-R Version 2.0 follows this specification
Version 4.0—RE 4.0—(BDXL)
- defined in June 2010
- a multi-layered rewritable in BDAV with the speed of 2× and 4×
- capable of 100GB and usage of UDF2.5 as file system and Professional Device is a newly added as one of BD product categories
Version 1.0—R 1.0
- defined in 2005
- UDFUniversal Disk FormatUniversal Disk Format is an implementation of the specification known as ISO/IEC 13346 and ECMA-167 and is an open vendor-neutral file system for computer data storage for a broad range of media. In practice, it has been most widely used for DVDs and newer optical disc formats, supplanting ISO 9660...
2.5 file system for computer use - the use of AACSAdvanced Access Content SystemThe Advanced Access Content System is a standard for content distribution and digital rights management, intended to restrict access to and copying of the "next generation" of optical discs and DVDs. The specification was publicly released in April 2005 and the standard has been adopted as the...
- BD-R Version 1 Part 3 is the same book as BD-RE Version 2 Part 3
- add BD-R Low To High (BD-R LTH) standard.
Version 2.0—R 2.0
- defined in September 2006
- camcorder (8 cm) discs added—camcorder is added as one of BD product categories
- backward compatible with Version 1
- added BDMV (Blu-ray Disc Movie) application format
- BD-R Version 2 Part 3 is the same book as BD-RE Version 3 Part 3
Version 3.0—R 3.0 (BDXL)
- defined in June 2010
- a multi-layered recordable in BDAV with 2× and 4× speeds
- capable of 100/128GB and usage of UDF2.5/2.6 as file system and Professional Device is a newly added as one of BD product categories
Speed
| Drive speed | Data rate | BD-R write time | BD-R DL write time | ||
|---|---|---|---|---|---|
| 1× | 36 Mbit/s | 4.5 MB/s | 4.29 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~95 min. | ~190 min. |
| 2× | 72 Mbit/s | 9 MB/s | 8.58 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~47 min. | ~94 min. |
| 4× | 144 Mbit/s | 18 MB/s | 17.16 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~24 min. | ~48 min. |
| 6× | 216 Mbit/s | 27 MB/s | 25.75 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~16 min. | ~32 min. |
| 8× | 288 Mbit/s | 36 MB/s | 34.33 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~12 min. | ~24 min. |
| 10× | 360 Mbit/s | 45 MB/s | 42.92 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~10 min. | ~20 min. |
| 12× | 432 Mbit/s | 54 MB/s | 51.50 MiB Mebibyte The mebibyte is a multiple of the unit byte for digital information. The binary prefix mebi means 220, therefore 1 mebibyte is . The unit symbol for the mebibyte is MiB. The unit was established by the International Electrotechnical Commission in 2000 and has been accepted for use by all major... /s |
~8 min. | ~16 min. |
Pricing
(approximate pricing)- BD-R/RE internal drive US$70 and above
(approximate pricing)
- 4× double-layer BD-R disc (50 GBGigabyteThe gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
) US$United States dollarThe United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....
8.20 each in quantity; - 4× single-layer BD-R disc (25 GBGigabyteThe gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
) US$United States dollarThe United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....
2–5 in quantity; - 2× single-layer BD-RE disc (25 GBGigabyteThe gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
) US$United States dollarThe United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....
5–12 each; - 2× double-layer BD-RE disc (50 GBGigabyteThe gigabyte is a multiple of the unit byte for digital information storage. The prefix giga means 109 in the International System of Units , therefore 1 gigabyte is...
) US$United States dollarThe United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....
20–40 each;
BD-R LTH (Low To High)
BD-R LTH is a write-once Blu-ray disc format that features an organic dye recording layer. "Low To High" refers to the reflectivity changing from low to high during the burning process, which is the opposite of normal. The advantage of BD-R LTH is it can protect a manufacturer's investment in DVD-RDVD-R
DVD-R is a DVD recordable format. A DVD-R typically has a storage capacity of 4.71 GB. Pioneer has also developed an 8.5 GB dual layer version, DVD-R DL, which appeared on the market in 2005....
/CD-R
CD-R
A CD-R is a variation of the Compact Disc invented by Philips and Sony. CD-R is a Write Once Read Many optical medium, though the whole disk does not have to be entirely written in the same session....
manufacturing equipment. Only modifications are required to current equipment; no investment in new production lines is required. It is believed this can lower the cost of disc manufacturing.
Old Blu-ray players and recorders cannot utilize BD-R LTH; however, a firmware upgrade can enable devices to access BD-R LTH. Panasonic
Panasonic
Panasonic is an international brand name for Japanese electric products manufacturer Panasonic Corporation, which was formerly known as Matsushita Electric Industrial Co., Ltd...
released such a firmware update in November 2007 for its DMR-BW200, DMR-BR100 and MR-BW900/BW800/BW700 models. Pioneer was expected to ship the first LTH BD drives in Spring 2008. Sony upgraded the PlayStation 3
PlayStation 3
The is the third home video game console produced by Sony Computer Entertainment and the successor to the PlayStation 2 as part of the PlayStation series. The PlayStation 3 competes with Microsoft's Xbox 360 and Nintendo's Wii as part of the seventh generation of video game consoles...
firmware enabling BD-R LTH reading in March, 2008.
See also
- Optical Disc Authoring
- Optical DiscOptical discIn computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes binary data in the form of pits and lands on a special material on one of its flat surfaces...