1. A method of identifying a correlation between a user and user voice, the method comprising the steps of: (a) receiving images of one or more users taken over a plurality of time periods; (b) receiving audio of voices for a plurality of time periods; and (c) correlating a voice identified in said step (b) to a user of the one or more users based on a plurality of samplings of determined positions of the user in different images and determined source locations of the voice at different times.