FIELD: physics; computer engineering.
SUBSTANCE: playlist element includes control information for controlling playback of main data recorded on a recording medium. A sub-path includes a sub-element of the playlist. The sub-element of the playlist includes control information for controlling playback of supplementary data recorded on the recording medium. The sub-element of the playlist also contains a synchronisation data field for synchronising playback of supplementary data with playback of main data, and a type indicator which indicates the type of supplementary data.
EFFECT: design of recording medium which contains a playlist which includes a playlist element and a sub-path, as well as a device and methods for recording and playing back.
41 cl, 11 dwg
