Patent ID: 6556524
Filing Date: 2003-04-29
Classification: G11B

Abstract:
A method of determining an optimum recording speed of an optical disk, said method comprising the steps of:performing test recording on the optical disk at a given recording speed while changing a recording laser power level, and reproducing results of the test recording from the optical disk; measuring parameter values pertaining to reproduced signal quality on the basis of the reproduced results; and determining, on the basis of the parameter values, whether there is achieved any laser power level that can provide reproduced signal quality falling within a predetermined acceptable range, wherein when it is determined that there is achieved the laser power level that can provide reproduced signal quality falling within the predetermined acceptable range, said given recording speed is judged as a proper recording speed, while when it is determined that there is achieved no laser power level that can provide reproduced signal quality falling within the predetermined acceptable range, said given recording speed is judged as an improper recording speed.