Method and apparatus for recording and reproducing digital data

摘要

An digital data recording apparatus for recording digital data in a form of tracks on a tape is disclosed. Each track has a first signal area for storing track format information and a second signal area for storing a plurality of sync blocks. The apparatus includes a circuit (111, 114) for inserting in the first signal area a regular TDS information indicating the track data structure of digital data, and a circuit (113, 114) for inserting in the final sync block a backup TDS information having the same structure as the regular TDS information.