Method and apparatus for access control based on an audible uttering and timing of the audible uttering

摘要: A method and an apparatus provide safe access control without the need for supplementary devices. By entering audible words or sounds during a playing of text recorded announcement, first personal code based on both uttering timing is generated stored authorized users. Subsequently, second in same way when sought by subsequent user seeking to facility. The compared with code. If codes correspond terms uttering, permitted. High security provided which prevents unauthorized use. has low cost complexity, because no devices are necessary.