Patent ID: 9462221
Filing Date: 2016-10-04
CPC Classification: G11B,H04N

Claim Text:
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, such as a disc, 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 a cropping flag, 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, depending on the value of the cropping flag, 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.