Patent ID: 7522504

Claim:
An information recording/reproducing system using a method of discriminating a signal content from an amplitude value of a signal sample, the system comprising: means for providing a first pattern including a code bit train “10” or “01”, a second pattern including “11” corresponding to the code bit train “10” or “01”, and a third pattern including “00” corresponding to the code bit train “10” or “01”; means for recording/reproducing the first pattern using a predetermined information recording medium; means for calculating a recording compensation parameter Ec for the information recording medium, based on a first probability that a reproduction signal of the first pattern reproduced is recognized as corresponding to the second pattern, and a second probability that a reproduction signal of the first pattern reproduced is recognized as corresponding to the third pattern; means for calculating a compensation amount WC based on the recording compensation parameter Ec, and means for compensating a signal recording waveform for the information recording medium based on the compensation amount WC.