Patent ID: 11907287
Assignee: THE NIELSEN COMPANY (US), LLC
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 8:
9. An apparatus to perform source classification, the apparatus comprising:
a media interceptor to intercept high definition multimedia interface (HDMI) data from a media stream output from a monitored HDMI port of a media device; and
a metadata extractor to:
parse the HDMI data to determine that first media encoding parameters contained in the HDMI data correspond to a first unique encoding class (UEC) of a set of defined UECs, different ones of the set of defined UECs corresponding to different possible combinations of media encoding parameters capable of being included in the HDMI data; and
identify a media source corresponding to the media stream output based on one or more possible media sources corresponding to the first UEC.