The timing and placement of advertising on TV, radio or other broadcast media can be automatically verified or audited by monitoring and recording channels of TV, radio or broadcast media by storing and tagging discrete portions of segments of the broadcast signals in a database. A controller, or “dispatcher”...http://www.google.ca/patents/US7627878?utm_source=gb-gplus-sharePatent US7627878 - Method and System for automated auditing of advertising
