Patent ID: 11922950
Assignee: SCHLAGE LOCK COMPANY LLC
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. A method for audio-based access control, the method comprising:
receiving audio input by a microphone of an audio detection system of an access control system, the audio input including information relating to a spoken phrase spoken by the user, the spoken phrase corresponding to a challenge phrase known to the user;
processing an audio signal associated with the audio input to authenticate the spoken phrase based on a comparison with a challenge phrase;
disconnecting a credential reader from a controller of the access control system and transmitting the audio input from the audio detection system to a remote server;
processing the audio signal with the remote server to authenticate the user based on a comparison with an authorized voice;
in response to authenticating the spoken phrase and authenticating the user with the remote server, transmitting credential data for the user from the server to the audio detection system, and then passing the credential data from the audio detection system to the controller of the access control system, wherein the transmitted credential data emulates user credential data that is received by a credential reader of the access control system in response to the user presenting a user credential device to the credential reader; and
performing, by the controller of the access control system, an access control action in response the credential data transmitted to the controller.