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Optimized Power Control, also known as Optimum Power Calibration, abbreviated OPC, is a function of optical disc recorders.

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 burn.

• Optical disc recording technologies
• Write strategy

• Optimum Power Calibration (OPC) at the Wayback Machine (archived 6 November 2010)
• What are CAV, CLV, PCAV, ZCLV & OPC? at the Wayback Machine (archived 15 April 2009)
• Running Optimum Power Control: Data Integrity in CD-Recording

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