Patent ID: 7630282
Filing Date: 2009-12-08
Classification: G11B

Abstract:
1. A recording method, comprising; preparing an audio disk comprising recording onto the second audio zone a plurality of files each storing therein a signal of a single piece of music subjected to the lossy compression and second management information including second control information for allowing each file to be reproduced, wherein each piece of music stored in each file corresponds to the music included in any one of the tracks in the first audio zone, the plurality of files are recorded in a group corresponding to the group in the first audio zone, and the second control information includes group information in relation to the group in the second audio zone; wherein the plurality of files recorded in the second audio zone each have storing therein a signal produced by applying each of a plurality of types of lossy compression each serving as the lossy compression to the music corresponding to each of the tracks in the first audio zone, the plurality of files being given with the same file name having an extension which is different from one another depending on each of the plurality of types of lossy compression.