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Topic: Compact Disc Rewritable


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In the News (Thu 4 Dec 08)

  
  Compact Disc Rewritable
In computing and data storage[?], Compact Disc Rewritable, or CD-RW, is a rewritable version of CD-ROM.
Standard prerecorded compact discs have their information permanently stamped into an aluminium reflecting layer.
CD-RW discs have a phase-change recording layer and an additional silver (aluminium) reflecting layer.
www.ebroadcast.com.au /lookup/encyclopedia/cd/CD-RW.html   (255 words)

  
 CD-RW - Wikipedia, the free encyclopedia
While a prerecorded compact disc has its information permanently stamped into its polycarbonate plastic substrate, a CD-RW disc contains a phase-change alloy recording layer composed of a phase change material, most often AgInSbTe, an alloy of silver, indium, antimony and tellurium.
An infra-red laser beam is employed to selectively heat and melt the crystallized recording layer into an amorphous state or to anneal it at a lower temperature back to its crystalline state.
Different blanking methods can be used, including "full" blanking in which the entire surface of the disc is cleared, and "fast" blanking in which only meta-data areas are cleared: PMA, TOC and pregap, comprising a few percent of the disc.
en.wikipedia.org /wiki/Compact_Disc_Rewritable   (1150 words)

  
 Compact Disc Rewritable - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-01)
Whereas standard prerecorded compact discs have their information permanently stamped into an aluminium reflecting layer, CD-RW discs have a phase-change recording layer and an additional aluminium reflecting layer.
Except for the ability to completely erase a disc, CD-RWs act very much like CD-Rs and are subject to the same restrictions; i.e., they can be extended, but not selectively overwritten, and must be closed before they can be read in a normal CD-ROM drive.
Note that unlike CD-Rs, CD-RW discs are non-standard, in that they do not meet the Orange Book standards for CDs.
www.encyclopedia-online.info /CD-RW   (326 words)

  
 AVS Disc Creator >> Online Help >> Appendix >> Disc Types
Before the introduction of the CD-R technology, compact discs were produced in commercial replication plants by stamping the media with a pre-recorded master.
The block at logical address 0 (beginning of the disc) is located near the center of the disc; the last addressable block (end of the disc) is located near the outer edge of the disc.
Much like Compact Discs, Digital Versatile Discs are comprised of a continuous spiral of blocks (or sectors) starting from the center hole ending at the outer rim of the disc.
www.avsmedia.com /DiscCreator/OnlineHelp/Appendix/disk_types.aspx   (2364 words)

  
 AllRefer.com - compact disc (Electrical Engineering) - Encyclopedia
compact disc (CD), a small plastic disc used for the storage of digital data.
As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second, then each sample is measured and digitally encoded on the 4 3/4 in (12 cm) disc as a series of microscopic pits on an otherwise polished surface.
The disc is covered with a transparent coating so that it can be read by a laser beam.
reference.allrefer.com /encyclopedia/C/compactd.html   (382 words)

  
 Compact Disc Rewritable : CD-RW   (Site not responding. Last check: 2007-10-01)
Compact Disc Rewritable : CD-RW terms defined : Compact Disc Rewritable : CD-RW
All is still licensed under the GNU FDL.
He would would lend such and such a piece of machinery; he would supply so pay so much per pound for hogs; he would guarantee so many.
www.termsdefined.net /cd/cd-rw.html   (547 words)

  
 ☞ storage - Compact Disc Storage Online Directory   (Site not responding. Last check: 2007-10-01)
Compact Disk is incorporated as 125 mm diameter disk of polycarbonate.
This is the "Compact Disc" equivalent of the cases that DJ's use for vinyl...
Compact disc technology was later adapted for use as a data storage device,...
www.all-storage.info /d/compactdiscstorage   (1702 words)

  
 Compact Disc Creation: CD Creation FAQs, UWEC
You may continue to add files until the CD is full as long as the disc is not closed (write-protected).
Unless you erase the disc, you cannot delete, rename, rearrange, or alter the files or file structure on the CD after recording.
If you have a CD-R or CD-RW disc with some information already on it, you may continue to burn more files until it is full, unless the disc is closed (write-protected).
www.uwec.edu /help/CDBurner/faqs.htm   (1350 words)

  
 Compact Disc Recorded in Windows XP Is Missing Files or Folders or Is Unreadable
You are able to read the disc in an MP3 player, but not all of the files on the disc are available.
A file is added to the disc, and the name of the file is the same as the name of a folder that was already on the disk.
A folder is added to the disc, and the name of the folder is the same as the name of a file that was already on the disk.
support.microsoft.com /?kbid=320174   (427 words)

  
 ☞ cd duplication - making of compact disc - making of compact disc online guide   (Site not responding. Last check: 2007-10-01)
Compact disc replication is the best choice for making a professional-looking compact disc.
Compact Disc "Appalachia Mountain Range" E 2 A 2 D 3 G 3 B 3 E 4: Dan Schwartz.
This interactive Java tutorial explores the operation of a laser as it is reflected from the surface of a compact disc.
www.about-cd-duplication.info /cd-duplication/making-of-compact-disc.html   (655 words)

  
 COMPA from FOLDOC
A 4.72 inch disc developed by Sony and Philips that can store, on the same disc, still and/or moving images in monochrome and/or color; stereo or two separate sound tracks integrated with and/or separate from the images; and digital program and information files.
Digital information is written to the disc by burning (forming) pits in the recording layer in a pattern corresponding to that of a conventional CD.
In domain theory, a function f is compactness preserving if f c is compact whenever c is.
www.instantweb.com /d/dictionary/foldoc.cgi?query=COMPA   (1206 words)

  
 NUI Galway, Compact Disc F.A.Q.   (Site not responding. Last check: 2007-10-01)
Even though the disc surface is only ‘write once’, the disk can be appended many times until it is full by use of 'multi-session’ standard technology.
Each recording ‘session’ has to be opened and closed on the disc using the ‘multi-session’ standard (this is termed ‘fixation’).
A CD-RW is a a compact disc that can be recorded, erased and re-recorded over.
www.nuigalway.ie /cs/documentation/CD_basics.html   (207 words)

  
 compact disc
DISC Compact: Dizionario Italiano Sabatini-Colletti, edizione in CD-Rom.
Super audio compact disc: a new approach to audio recording and reproduction.
Video compression and high density mastering for compact discs: part 1.
www.infoplease.com /ce6/sci/A0813087.html   (413 words)

  
 Compact Discs   (Site not responding. Last check: 2007-10-01)
The Compact Discs were first introduced in the early 1980s.
And a CD-ROM is physically identical to a Digital Audio compact Disc used in a CD player, but the bits recorded on it are interpreted as computer data instead of music.
The disadvantage is that you can't reuse a disc.
www.sinc.sunysb.edu /Class/cei511/1.html   (841 words)

  
 Compact Disc Spinoffs   (Site not responding. Last check: 2007-10-01)
A recordable Compact Disc.CD-R technology it useful to law offices and other business that must permanently archive large amounts of information, and it enables individuals to manufacture CD-ROMs for retail.
This version of Compact Disc technology gives the user the flexibility to record and erase multiple times.
In 1995 the DVD Consortium was founded to specify a high-capacity disc technology, known as the Digital Versatile Disk.
cseserv.engr.scu.edu /studentwebpages/MHill/spinoff.htm   (392 words)

  
 Computer Knowledge - CD-RW
Be certain to check with the manufacturer; some CD-RW discs can only be read by a CD-RW drive while others can be read in a standard CD-ROM drive (CD-ROM drives made before 1997 may not be able to read the reduced reflectivity in a CD-RW disc).
Unlike CD-R discs where the laser records information by melting the substrate to form a pit, CD-RW discs record data by changing the phase state of crystals in the recording layer.
At lower annealing temperatures (when the disc is "erased") the crystals return to their orderly state.
www.cknow.com /ckinfo/c/CD-RW-CompactDisc-Rewrita.html   (227 words)

  
 Documentation
Continuously monitors the signal level during recording and adjusts the laser power to compensate when the disc is dirty, insuring a flat signal.
Ultra and High Speed CD-RW Media may be recognized by the same "Compact Disc ReWritable Ultra Speed" and Compact Disc ReWritable High Speed" logo on the disc label or packaging material, or by the fact that it lists recording speeds of "8X to 16X" and "4X to 10X".
Using discs with labels attached not only causes read and write errors, but data on the disc may be lost due to damage to the disc itself.
support.dell.com /support/edocs/storage/P90574/en/intro.htm   (641 words)

  
 COMPACT DISC REWRITABLE
Standard prerecorded CDs have their information permanently stamped into an aluminium reflecting layer.
CD-WR discs have a phase-change recording layer and an additional silver (aluminium) reflecting layer.
Specialty definitions using "COMPACT DISC REWRITABLE": CD-Read-Write, CD-Rewritable, CDRW, CD-RW, Compact Disc Read-Write.
www.websters-online-dictionary.org /definition/COMPACT+DISC+REWRITABLE   (331 words)

  
 Compac from FOLDOC
Nearby terms: COMNET « compact « Compact COBOL « Compact Disc » Compact Disc interactive » Compact Disc Read-Only Memory » Compact Disc Read-Write
Nearby terms: compact « Compact COBOL « Compact Disc « Compact Disc interactive » Compact Disc Read-Only Memory » Compact Disc Read-Write » Compact Disc Recordable
Nearby terms: Compact COBOL « Compact Disc « Compact Disc interactive « Compact Disc Read-Only Memory » Compact Disc Read-Write » Compact Disc Recordable » Compact Disc Rewritable
foldoc.org /?Compac   (1039 words)

  
 Documentation
Place the disc in the center of the tray with the label side facing up.
Attempted writes to High Speed CD-RW media using CD-RW drives NOT bearing the logo "Compact Disc ReWritable High Speed" or "Compact Disc ReWritable Ultra Speed", and to Ultra Speed and Ultra Speed Plus CD-RW media using CD-RW drives NOT bearing the logo "Compact Disc ReWritable Ultra Speed" may result in data loss.
The disc tray is ejected a short distance.
support.dell.com /support/edocs/storage/p88391/en/usage.htm   (468 words)

  
 HP DVD Writer Drives - DVD Series Internal and External Drive Identification 
On the right side of the LED are a Compact Disc Recordable icon (2), a Compact Disc ReWritable icon (4), and a DVD+ReWritable icon (5).
Between the Compact Disc Recordable icon (2), and the Compact Disc ReWritable icon (4) is the emergency eject hole (3).
The LED (4) is in the left half of the drive, between the volume control (3), and the Compact Disc Recordable icon (5).
h10025.www1.hp.com /ewfrf/wc/genericDocument?lc=en&cc=us&docname=c00001838   (2818 words)

  
 compact disc
formats include digital versatile (or video) discs and videodiscs.
Its technology, unlike that of the CD, is an analog system that uses a laser to read a variable-width track, much like a conventional phonograph record.
CD, abbreviation for compact disc - CD: see compact disc.
www.factmonster.com /ce6/sci/A0813087.html   (361 words)

  
 CNN.com - Technology - Ricoh, Yamaha debut high-speed CD-RW drives - February 29, 2000
Two of the leading backers of CD-RW (compact disc-rewritable) technology unveiled here prototypes of new high speed CD-RW drives that are expected to hit the market in the middle of this year.
It is expected in the next few weeks, said Oda, but he cautioned users will also have to invest in high speed media to get the most from the new drives.
Current discs retain compatibility with the new drives although write speed will be generally limited to 4x, the current maximum speed.
edition.cnn.com /2000/TECH/computing/02/29/high.speed.cdrw.idg/index.html   (402 words)

  
 kbAlertz: When you copy files or folders to a compact disc-recordable (CD-R) or a compact disc-rewritable (CD-RW) by ...   (Site not responding. Last check: 2007-10-01)
kbAlertz: When you copy files or folders to a compact disc-recordable (CD-R) or a compact disc-rewritable (CD-RW) by using a compact disc recorder, you may experience one or more of the following symptoms: The disc recording is consistently
When you copy files or folders to a compact disc-recordable (CD-R) or a compact disc-rewritable (CD-RW) by using a compact disc recorder, you may experience one or more of the following symptoms: The disc recording is consistently
Compact Disc Recorded in Windows XP Is Missing Files or Folders or Is Unreadable
www.kbalertz.com /kb_Q320174.aspx   (667 words)

  
 Compact Disc, CD
The standard includes also: disc specification, physical parameters, optical stylus and parameters, deviations and block error rate, modulation system and error correction.
The mode byte in the header field of a sector describes the type of data contained in the data field.
The Orange Book defines recordable discs with multisession capability that could be recorded by the customer.
www.proav.de /data/cd.html   (198 words)

  
 Compact Disc - OneLook Dictionary Search
Tip: Click on the first link on a line below to go directly to a page where "Compact Disc" is defined.
Compact Disc : Free On-line Dictionary of Computing [home, info]
Phrases that include Compact Disc: compact disc recordable, compact disc read-only memory, compact disc interactive, compact disc rewritable, multimedia compact disc, more...
www.onelook.com /cgi-bin/cgiwrap/bware/dofind.cgi?word=Compact+Disc   (227 words)

  
 Windows XP: Saving Files to a Compact Disc, UWEC
The Compact Disc (CD) drives found on many computers on campus can be used to write files to CDs as a way of archiving and sharing information with others.
Both discs will function the same way and can hold about the same amount of information.
While CD-RW discs are more expensive, they do have a significant advantage in that they allow you to delete, rename, and rearrange files like any other drive or disk.
www.uwec.edu /help/CDWinXP/savefiles.htm   (947 words)

  
 CHICKEN-HEARTED PRODUCTIONS :: Glossary :: Compact Disc - Rewritable (CD-RW):
A type of Compact Disc that allows the user to store Data.
The Data can also be erased, and the disc can be reused.
Data is written to the disc using a device called a CD-Rewriter.
www.chicken-hearted.com /tut/glos/c/cdrw.htm   (61 words)

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