Message recording unit, message reproducing unit and message recording/reproducing method

摘要

The message recording unit and method identify an article or specify a predetermined position in a content recording medium, input related information corresponding to the article or the predetermined position and record as message information the article and the related information or position information indicating the predetermined position and the related information or an access destination of the related information in correspondence to each other into a storage. The message reproducing unit and method identify the article or reference the content recording medium, search the storage for the message information corresponding to the article or the predetermined position, and read and output the detected message information. The message recording/reproducing method includes the message recording method and the message reproducing method.