US Patent 7386782 Method for synchronizing a multimedia file

The invention concerns a method for synchronizing data in a multimedia document (50), said document comprising at least two separate computer files (track1, track2) called the first file, the second file, etc., in which method: there is stored in the first file, in the second file, etc., respectively data of a first type, of a second type, etc., said data being grouped in the form of at least one event-related command characterizing an event, said event being either important or unimportant,—at least one synchronization command is inserted in each file, characterized in that said synchronization command is inserted before each event-related command characterizing an important event.