FIELD: data recording disks. SUBSTANCE: data on absolute address of each program entered in program area and that on absolute address of all programs are recorded in first control field. Second control field contains data on program attributes. First control field, program area, and second control field are disposed in mentioned order from inner to outer edge of recording medium in the form of disk. Address information dictating position of second control field record is entered in first control field. Data recorded in program area is audio data. Data on attributes may be information concerning name of recording medium, executive, name and kind of program, or on sound pressure level and maximal frequency level of program. Data on attributes may be recorded in the form of Q-channel complementary code. EFFECT: ability of reading symbolic records without specific decoding means. 6 cl, 21 dwg
