An audio and/or video data recording and reproducing apparatus and method of the same to improve an efficiency of editing with respect to audio and/or video data. An audio and/or video editing apparatus 64 controls an audio and/or video data recording and reproducing apparatus 5 and makes this start the reproduction operation. A disk array controller 50 selects a disk device recording the channel of the audio and/or video data for which the reproduction is requested, changes the hard disk drive made to perform the reproduction operation in accordance with the existence of an obstacle, reproduces the audio and/or video data, multiplexes the same with status data indicating the state of parts of the audio and/or video data recording and reproducing apparatus 5, generates a data stream physically adapted to SMPTE-259M, and outputs this to an audio and/or video editing apparatus 64.