Patent ID: 8737810
Filing Date: 2014-05-27
Classification: G11B,H04N

Abstract:
1. A method for composition of subtitles for audio/video presentations, wherein data streams containing video, audio and subtitle information are transferred from a storage medium, comprising steps of retrieving from said storage medium subtitle layer data, the subtitle layer data containing graphic subtitle elements; extracting from said retrieved subtitle layer data subtitle display region information for defining a subtitle display region, and subtitle display region cropping information for cropping the display region, the subtitle display region cropping information comprising a parameter for horizontal position of the cropped subtitle display region, a parameter for vertical position of the cropped subtitle display region, a parameter for width of the cropped subtitle display region and a parameter for height of the cropped subtitle display region; and enabling automatic cropping of rectangular parts of the subtitle elements to be displayed in the cropped subtitle display region, wherein the cropped parts of the subtitle elements to be displayed are defined by said subtitle display region cropping information.