DEVICE AND METHOD FOR PROCESSING DIGITAL SIGNAL

PROBLEM TO BE SOLVED: To reproduce one of a plurality of successive digital signals without unnaturalness even when the digital signal is provided alone, and also, to re- secure continuity between the one provided earlier and the one provided later among the successive digital signals. SOLUTION: When a main controller 11 judges that there are music data succeeding to those specified by a user to purchase through a display part 13 and an operation part 14, it controls a normalization adjusting part 18 to add the music data specified to purchase with data in which the music data succeeding thereto are fading-processed at the beginning or at the end. The music data added with the faded part are recorded in a recording medium 19 brought in by the user through a recording part 15. Moreover, when a purchase of the music data succeeding to the music data recorded in the recording medium 19 is specified, the continuity of the music data is secured by deleting the fading part added to the music data already recorded.