PROGRAM TELECAST MONITORING USING WATERMARKS

Methods, apparatus and articles of manufacture for program telecast monitoring using watermarks are disclosed. Example methods disclosed herein to watermark media can include encoding the media with a sequence of watermarks, a watermark in the sequence of watermarks including payload data identifying the media. Such example methods can also include, modifying the sequence of watermarks to further include a data pattern associated with a particular transmission of the media. In some examples, respective watermarks in the sequence of watermarks are to be modified to include respective portions of the data pattern, wherein the respective portions, when combined, form the data pattern.