Information recording/reproduction apparatus

An information recording/reproduction apparatus comprising:

• a first recording/reproduction unit configured to record information on a built-in first information recording medium, reproduce information recorded on the first information recording medium, and delete information recorded on the first information recording medium;
• a second recording/reproduction unit configured to record information on a detachable second information recording medium, and reproduce information recorded on the second information recording medium;
• a recording control unit configured to control the first recording/reproduction unit to record a library information file, which contains a plurality of pieces of library information corresponding to a plurality of pieces of contents information recorded on the first and second information recording media, on the first information recording medium;
• and
• a deletion control unit configured to control the first recording/reproduction unit to execute a process for deleting only all pieces of contents information recorded on the first information recording medium.

An information recording/reproduction apparatus comprising:

• a first recording/reproduction unit configured to record information on a built-in first information recording medium, reproduce information recorded on the first information recording medium, and delete information recorded on the first information recording medium;
• a second recording/reproduction unit configured to record information on a detachable second information recording medium, and reproduce information recorded on the second information recording medium;
• a recording control unit configured to control the first recording/reproduction unit to record a library information file, which contains a plurality of pieces of library information corresponding to a plurality of pieces of contents information recorded on the first and second information recording media, on the first information recording medium;
• and
• a deletion control unit configured to execute an all deletion mode for controlling the first recording/reproduction unit to delete all pieces of library information contained in the library information file recorded on the first information recording medium.