METHOD FOR EVALUATING QUALITY OF INFORMATION STORAGE MEDIUM, DEVICE FOR EVALUATING QUALITY OF INFORMATION STORAGE MEDIUM, INFORMATION STORAGE MEDIUM ON WHICH WOBBLE TRACK IS FORMED, INFORMATION REPRODUCING METHOD AND INFORMATION RECORDING METHOD

摘要

PURPOSE: An information storage medium evaluating method, an information storage medium evaluating device, an information storage medium, an information reproducing device, an information reproducing method and an information recording method are provided to enable an exact performance evaluation while being formed with a high-quality wobble track, and to reproduce proper information from an information storage medium where the wobble track is formed. CONSTITUTION: An information storage medium(D1) consists of an information storage area(D12) for storing information, and a wobble track(D13) wobbled by corresponding to a phase-modulated frequency at predetermined timing to reflect predetermined information, as a track for guiding an optical beam in the information storage area(D12). The wobble track(D13) double-multiplies a reproduction signal corresponding to a wobble track obtained from a reflected light of the optical beam, so that an evaluated result on the double-multiplied reproduction signal can satisfy a predetermined evaluation index, based on frequency features of the reproduction signal.