Recording medium having data structure for managing reproduction duration of still pictures recorded thereon and recording and reproducing methods and apparatuses

Abstract From the Canadian patent

The data structure includes a navigation area of the recording medium storing at least one playlist, a first entry point map and a second entry point map. The playlist includes at least one playitem and at least one sub-playitem. The playitem provides navigation information for reproducing at least one still picture from a first file, and the sub-playitem providing navigation information for reproducing audio data from a second file. The first entry point map includes at least one entry point pointing to the still picture and , the second entry point map includes at least one entry point pointing to the audio data.