Patent ID: 11889164
Assignee: NAGRAVISION SàRL
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 12:
13. A method for selecting variants of video fragments of a video content for delivery to a requestor, the method comprising:
receiving a request for all or a part of the video content that has been fragmented into a sequence of fragments, wherein a plurality of the fragments has been watermarked to create two or more variants of each of the plurality of the fragments according to claim 1;
determining, from an identically adjusted length of the two or more variants for at least one of the fragments, a temporal position of the two or more variants of a fragment compared to variants of other fragments in a sequence of watermarked fragments, the temporal position being defined as a position within a limited number of possible positions for the watermarked fragments in the video content;
selecting for each of the plurality of the fragments one variant from the two or more variants based on the determined temporal position and an identifier of the requestor, wherein the identifier defines which of the two or more variants to select for each fragment based on the temporal position.