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'''Optimized Power Control''', also known as '''Optimum Power Calibration''', abbreviated '''OPC''', is a function of [[optical disc recorder]]s.
{{Orphan|date=February 2009}}
'''Optimized Power Control''', also known as '''Optimum Power Calibration''', abbreviated '''OPC''', is a function of a [[compact disc|CD]] or [[DVD]] [[CD recorder|writer]]. It checks the proper writing power and reflection of the media in use, calculating the optimum [[laser]] power and adjusting it for writing the particular session. More sophisticated is '''Active OPC''' or '''Running OPC'''. Active OPC monitors writing power and reflection of the media in use, calculating the optimum laser power and adjusting it in real-time, which, in theory, should result in a better quality [[CD/DVD authoring|burn]].
== See also ==
* [[Optical disc recording technologies]]
* [[Write strategy]]
== External links ==
* [{{webarchive |url=https://web.archive.org/web/20101106131008/http://www.dvdburning.biz/terms/optimum-power-calibration-opc.htm |date=6 November 2010 |title=Optimum Power Calibration (OPC)] }}
* [{{webarchive |url=https://web.archive.org/web/20090415172800/http://www.dvd-recordable.org/Reviews+index-req-showcontent-id-134.phtml |date=15 April 2009 |title=What are CAV, CLV, PCAV, ZCLV & OPC?] }}
* [http://www.osta.org/specs/pdf/opc.pdf Running Optimum Power Control: Data Integrity in CD-Recording]
* [http://www.nec.co.uk/index.aspx?id=191&pressid=597 NEC ND-2500A/ND-5100 press release]
{{electronics-stub}}
{{electronics-stub}}[[Category:Optoelectronics]]
[[Category:Optical disc authoring]]
[[Category:Optical computer storage]]
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