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

Claim 15:
16. A method comprising:
generating, by executing an instruction with at least one processor of a local device, a monitored fingerprint of media presented at a location;
comparing, by executing an instruction with the at least one processor, 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;
determining, by executing an instruction with the at least one processor, 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, transmitting 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.