Methods of and apparatus for recording and/or reproducing digital data.

Is used for recording and/or a digital replaying data device, and comprises an external code and an internal code error-correcting code such as the digital data code of video data, the; the symbols corresponding predetermined number formed with added on the movable data the corresponding part, and so on, and recording wherein the magnetic tape medium, such as a on the rotary magnetic head magnetic inclined wall and. The; the front of information data and error correction code and an error correction code redundant symbols of recording of each rail opening part; the data of an array to the is coming from the beginning of ruler is replayed comprises with the error, the data information and wireless receiving device and comprises multiple influences.