Method for managing music piece stored in e.g. compact disk player for motor car, involves outputting digital content belonging to index label as found when query analysis string and index label comply or partially comply with each other

摘要

The method involves storing digital content (2) together with or relational mating with a label (9) characterizing the content. The label is digitally converted to an index label (13) by a language-overlapping set of rules. The index label is stored together with or relational mating with the content or the content and the label. A query is digitally converted into a query analysis string by the set of rules. The string is compared with the index label. The content belonging to the index label is outputted as found when the string and the index label comply or partially comply with each other. An independent claim is also included for a medium playback device for a motor car for managing digital content stored in the medium playback device.