DATA RECORDING/ PRODUCING APPARATUS AND METHOD CORRESPONDING TO A PLURALITY OF DATA FORMATS.

摘要

A DATA RECORDING APPARATUS IS CONSTRUCTED BY: AN INPUT UNIT9 (1, 2, 4) FOR RECEIVING FIRST AND SECOND DIGITAL DATA IN WHICH A RATIO OF SECTOR SIZES IS NOT EQUAL TO AN INTEGER RATIO; A BLOCK SEGMENTING UNIT (7) FOR INSERTING FIRST DATA NA AND SECOND DATA MB (N AND M ARE INTEGERS OF 2 OR MORE AND N = M) WHEN IT IS ASSUMED THAT A SECTOR SIZE OF FIRST DATA IS SET TO A AND A SECTOR SIZE OF SECOND DATA IS SET TO B AND FOR FORMING DATA OF A BLOCK STRUCTURE; A RECORDING PROCESSING UNIT (8) FOR PERFORMING AN ERROR CORRECTION ENCODING AND A DIGITAL MODULATION TO THE DATA OF THE BLOCK STRUCTURE; AND A RECORDING UNIT (9, 10) FOR RECORDING THE RECORDING DATA FROM THE RECORDING PROCESSING UNIT (8) TO A DATA RECORDING MEDIUM (3).(FIG. 1)