An information record medium (1: DVD) has a record track (1a) to be reproduced by an information reproducing apparatus (S2). The information reproducing apparatus is provided with a read device (80) and reproduces audio information by a predetermined audio frame unit while relatively moving the read...http://www.google.fr/patents/US5960152?utm_source=gb-gplus-shareBrevet US5960152 - Information record medium, apparatus for recording the same and apparatus for reproducing the same
Information record medium, apparatus for recording the same and apparatus ...