A method in one embodiment includes embedding a unique event tag into media files recorded at an event by a first media recording device, which is operable to wirelessly discover a second media recording device at the event. The first media recording device wirelessly communicates the unique event tag...http://www.google.de/patents/US7814151?utm_source=gb-gplus-sharePatent US7814151 - Wirelessly-enabled identification of digital media generated at an event
