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

Claim 0:
1. A local device comprising:
memory including a set of reference fingerprints corresponding to media presented at a location, the set of reference fingerprints from a remote device different from the local device; and
at least one processor to execute machine readable instructions to:
generate a monitored fingerprint of the media presented at the location;
compare the monitored fingerprint to at least some of the set of reference fingerprints from the remote 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.