Patent ID: 7706669
Filing Date: 2010-04-27
Classification: G11B,H04N

Abstract:
1. A recording medium having a data structure for managing reproduction of A/V (audio/video) data with a plurality of navigation files of different type recorded on the recording medium, comprising: a navigation area storing an index information file, at least one first-type navigation file, and at least one second-type navigation file, wherein the index information file defines at least one title of the A/V data, and includes link information mapping the title to either the first-type navigation file or the second-type navigation file based on a type of the title to reproduce, wherein each of the navigation files indicates at least one playlist file to reproduce associated with the title, wherein the playlist file includes at least one playitem which is a pair of in-point and out-point indicating a playing interval on a time axis of the A/V data, and wherein the index information file, the first-type navigation file, the second-type navigation file, and the playlist file are separate files from each other, and have different file name extensions.