Patent ID: 11877039
Assignee: THE NIELSEN COMPANY (US), LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. At least one non-transitory computer readable medium comprising computer readable instructions to cause one or more processors to at least:
select which one of a plurality of timestamp cycles is to be represented by a timestamp of a watermark, the watermark including a set of timestamp symbols to represent the watermark, the watermark also including a first subset of data symbols and a second subset of data symbols, respective ones of the second subset of data symbols to be related to corresponding ones of the first subset of data symbols based on another data symbol not included in the first and second subsets of data symbols;
modify the first subset of data symbols of the watermark based on another timestamp symbol not included in the set of timestamp symbols of the timestamp, the another timestamp symbol to identify the one of the plurality of timestamp cycles to be represented by the timestamp of the watermark; and
embed the watermark in a piece of media.