APPARATUS AND METHOD FOR SEARCHING DIGITAL AUDIO DATA FILE FROM MEDIA WHERE DIGITAL AUDIO DATA FILES ARE RECORDED

摘要

PURPOSE: An apparatus and a method for searching a digital audio data file from media where digital audio data files are recorded are provided to search the digital audio data file from a media where digital audio data files are recorded. CONSTITUTION: A media where digital audio data files are recorded comprises a directory information recording area and data recording area where information on the files listed in the directory recording area is recorded. The digital audio data file has a file name field, a data field, and an additional information tag field. The file name field, and the data field and additional information tag field is recorded on the directory information recording area and the data recording area, respectively. Further, recording indexing information which is used as a keyword for searching the digital audio data file is recorded on the directory information recording area. A method for making a database structure comprises the first step of making a directory database having fields of directory names and the position of each directory on the directory information recording area, the second step of making a file database having fields of file names and the position of each file on the data recording area by accessing the directory information recording area, and the third step of recording the indexing information in the file database as an additional field.