System for permitting access to a common resource in response to speaker identification and verification

A method of accessing a resource, where the resource is accessible by a plurality of authorized persons. The method receives a signal representative of a first utterance from a first person, wherein the first utterance represents information. In response to the signal representative of a first utterance from a first person, the method determines with a computer system whether the first person is one of the plurality of authorized persons. The method also receives a signal representative of a first utterance from a second person, where the signal representative of a first utterance from a second person represents the same information as the information represented by the signal representative of a first utterance from the first person. In response to the signal representative of the first utterance from the second person, the method determines with the computer system whether the second person is one of the plurality of authorized persons.