Apparatus for reproducing a digital signal

Abstract From the Canadian patent

A reproducing apparatus for reproducing blocks from a recording medium on which a plurality of signal blocks are recorded on plural recording tracks uses a rotary, head which is rotated at a speed equal to at least twice the normal speed. Error detection of a reproduced signal is performed for each signal block and a, detection signal block are written into a memory. If the detection signal indicates that no error is detected, the reproduced signal from the corresponding signal block is prevented from being written again into the memory. A reproduced track address signal and a reference track address signal are compared and in, accordance with the comparison result translation of, the …