Recording medium, and recording apparatus, reproducing apparatus, recording method and control method thereof

摘要

A recording medium (1, 2, 3) such as a semiconductor recording medium is provided with: a data area (14, 15, 16, 17) in which data is recorded; and a management information area (12) in which management information of the data recorded in the data area is recorded. The recording medium is further provided with an , effective duration area (12) in which an effective duration of the data recorded in the data area is recorded.