Information recording medium recording method, information recording/playback apparatus, and information recording medium

An information recording/playback apparatus including at least error calculation means for calculating error information indicating an error between a reference waveform signal derived by partial response equalization of a data string and a recording signal playback waveform signal, and control means,

• said control means executing at least
• a process of interrupting recording, in recording on an information recording medium, when a predetermined interruption condition is met, wherein the predetermined interruption condition is a condition for interrupting recording at one of a sector end portion, an ECC block end, and a boundary where a rotational speed of the information recording medium changes,
• a process of playing back a signal recorded in a recorded area and obtaining the recording signal playback waveform signal,
• a process of causing said error calculation means to calculate the error information, and
• a process of correcting a recording condition by using the error information.

An information recording medium on which a signal is recorded by a recording method including the steps of

• interrupting an ongoing recording, in recording on an information recording medium, when a predetermined interruption condition is met,
• playing back a signal recorded in a recorded area and obtaining a recording signal playback waveform signal,
• obtaining error information indicating an error between a reference waveform signal derived by partial response equalization of a data string and the recording signal playback waveform signal, and
• correcting a recording condition on the basis of the error information.