Disc playback apparatus

A disc playback apparatus characterized in comprising:

• a data processing unit for reading at least two audio files recorded in a disc, the audio files having different data formats, and converting the audio files into digital data to store them in a storage unit;
• a decoder for decoding the audio files respectively corresponding to said data formats, which are stored in said storage unit, on a basis of a file attribute preset thereto, and playing back the decoded audio files;
• and
• a control unit for reading data stored in the said storage unit and delivering the data to said decoder, for determining a file attribute of said read data when starting said decoding and playback process on a basis of the file attribute set to said decoder, and for, when the file attribute differs from the file attribute set to said decoder, holding address information about said read data, and, after stopping reading of subsequent data, changing the setting of the file attribute made for said decoder and then restarting to read said data by using said address information held thereby.