Patent ID: 11863821
Assignee: THE NIELSEN COMPANY (US), LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 5:
6. At least one non-transitory computer readable medium comprising computer readable instructions that, when executed by at least one processor of a local device, cause the local device to at least:
generate a monitored fingerprint of media presented at a location;
compare the monitored fingerprint to at least some of a set of reference fingerprints, the set of reference fingerprints corresponding to the media presented at the location, the set of reference fingerprints from a remote device different from the local device;
determine an amount of time that has passed since the media started; and
after a match between the monitored fingerprint and one or more reference fingerprints of the set of reference fingerprints, cause transmission of audience measurement information to identify the media, the audience measurement information including data indicative of the amount of time that has passed since the media started.