Roku, Inc.
Client-side video advertisement replacement using automatic content recognition

Abstract:

Systems and method for advertisement replacement are disclosed. A server may receive a server feed, generate a plurality of server fingerprints for a respective plurality of segments of the server feed, receive a synchronization message comprising a client fingerprint and a client time, match the client fingerprint with one of the plurality of server fingerprints, and send a synchronization response indicative of a server time associated with the one of the plurality of server fingerprints.