US Patent 7848620 Method for managing chapters

A method for managing chapters is disclosed. When data such as broadcasting program are recorded and chapters are set (e.g., automatically) based on a predetermined time interval in a disc recorder, such as a DVD recorder, embodiments of a method and apparatus of the invention can selectively integrate the last chapter of the recorded program with a chapter prior to the last chapter. The method can efficiently set the number of chapters without deteriorating random access performance. The method can efficiently manage navigation information according to chapter separation.