Patent ID: 9179200
Filing Date: 2015-11-03
Classification: G06K,G06Q,H04L,H04N

Abstract:
1. A method comprising, for each of plural items of audio-visual content uploaded to a web site that distributes user-generated content for possible distribution of the uploaded content therefrom, each of said plural items of audio-visual content including both audio and video: at a time such audio-visual content is ingested by the web site, conducting a fingerprint-based analysis of the audio of the uploaded content item, to identify one or more portions of said content item that have been derived from one or more pre-existing works, said analysis being performed by a software-configured processor, said analysis including transforming plural partially overlapping temporal excerpts of the audio into spectral band data to determine, for each such excerpt, relative energy within plural different frequency bands; repeating said transforming plural times for each second of the audio; forming fingerprints using the spectral band data for said plural partially overlapping temporal excerpts; and matching said fingerprints with reference data to identify one or more portions of the content; wherein said fingerprints enable identification of content portions with a granularity of three seconds in length; determining a length of an identified content portion, based on the matched fingerprints; consulting stored rules to determine how to treat said uploaded content item, wherein treatment of the content item indicated by at least one of said stored rules depends on said length of the identified content portion; and controlling distribution of the uploaded content item in accordance with a rule that depends on said length of the identified content portion; wherein for a first content item, for which the identified portion is of a first length, said controlling comprises treating the uploaded first content item in accordance with a first stored rule that prohibits distribution of the uploaded content, and wherein for a second content item, for which the identified portion is of a second, different, length, said controlling comprises treating the uploaded second content item in accordance with a second, different, stored rule that permits distribution of the uploaded content and provides a majority share of ad revenue associated therewith to a rights-holder of a pre-existing work from which at least a portion of the uploaded second content item was derived.