Patent Document ID: 6067282
Application ID: 09247560

Base Claim:
1. An information recording medium having a management information area and recording information area, the recording information area including a plurality of record information pieces constituting a hierarchical structure comprising a plurality of hierarchical layers; the management information area including: a layer information piece for specifying one of the plurality of hierarchical layers; a kind information piece for indicating a kind of information relating to one of the record information pieces; a text group including a plurality of text information comprising a plurality of layer related texts and a plurality of record information related texts, at least one of the plurality of layer related texts describing information related to the layer specified by the layer information piece, and at least one of the plurality of record information related texts describing information related to the kind of information indicated by the kind information piece; and a text arrangement information piece, arranged in pair with one of the layer information piece and the kind information piece, indicating a position of a text information corresponding to the paired one of the layer information piece and the kind information piece.

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Claim 5:
5. The medium according to claim 1, wherein the record information pieces comprise video information, audio information, and sub-picture information recorded in a multiplexed manner.