Recording medium, recording apparatus and recording method

摘要

A data recording medium having a plurality of concentric or spiral tracks for recording information represented as marks and spaces between the marks, the marks being formed by emitting to a track recording surface an optical beam modulated by a plurality of drive pulses where the drive pulse count is adjusted according to a length of a mark part in the original signal to be recorded to the track, said data recording medium comprising: a data recording area for recording data, and a specific information recording area for recording when the data recording medium is loaded into a particular recording device device-specific information specific to the particular recording device, and at least one of a specific first pulse position Tu and a specific last pulse position Td of a drive pulse sequence required by the particular recording device to record said marks to the data recording medium.