Patent ID: 8315412

Claim:
A method for providing access to a secured area the access to which is secured by a barrier, the method comprising: activating an audio reception device in response to a detection of a user's presence with a motion detector configured to detect a user's presence; receiving an audio input comprising background noise after activation of the audio reception device; determining a noise level of the background noise from the audio input; instructing the user to manually enter a manual user code to effect access to the secured area with a user input device after the determination of the background noise level and in response to the noise level exceeding a predetermined threshold level; receiving by voice command an audio user code at the audio reception device after the determination of the background noise level and if the background noise level does not exceed a predetermined level to open the barrier and provide access to the secured area; and effecting with a processor a transmission of a control signal to open the barrier upon receipt of and in response to the manual user code entered by the user matching a predetermined code.