1
Alan K Hunt, Thomas B Schalk: Simultaneous speaker-independent voice recognition and verification over a telephone network. VCS, David H Judson, June 30, 1992: US05127043 (206 worldwide citation)

The present invention describes a system and method for enabling a caller to obtain access to services via a telephone network by entering a spoken password having a plurality of digits. Preferably, the method includes the steps of: (1) prompting the caller to speak the password beginning with a fir ...


2
Alan K Hunt, Thomas B Schalk: Simultaneous speaker-independent voice recognition and verification over a telephone network. VCS, David H Judson, March 22, 1994: US05297194 (197 worldwide citation)

The present invention describes a system and method for enabling a caller to obtain access to services via a telephone network by entering a spoken password having a plurality of digits. Preferably, the method includes the steps of: (1) prompting the caller to speak the password beginning with a fir ...


3
Alan K Hunt, Thomas B Schalk: Simultaneous voice recognition and verification to allow access to telephone network services. Voice Control Systems, David H Judson, March 12, 1996: US05499288 (195 worldwide citation)

The present invention describes a system and method for enabling a caller to obtain access to services via a telephone network by entering a spoken password having a plurality of digits. Preferably, the method includes the steps of: (1) prompting the caller to speak the password beginning with a fir ...


4
Alan K Hunt, Thomas B Schalk: Method for recognizing alphanumeric strings spoken over a telephone network. VCS, David H Judson, June 23, 1992: US05125022 (147 worldwide citation)

The present invention describes a method for recognizing alphanumeric strings spoken over a telephone network wherein individual character recognition need not be uniformly high in order to achieve high string recognition accuracy. Preferably, the method uses a processing system having a digital pro ...


5
Thomas B Schalk: Voice-controlled account access over a telephone network. Voice Control Systems, David H Judson, May 14, 1996: US05517558 (122 worldwide citation)

The present invention describes a system and method for enabling a caller to obtain access to services via a telephone network by entering a spoken first character string having a plurality of digits. Preferably, the method includes the steps of prompting the caller to speak the first character stri ...


6
Bernard F Bareis, Peter J Foster, Thomas B Schalk: Speech recognition system for electronic switches in a non-wireline communications network. Voice Control Systems, David H Judson, August 19, 1997: US05659597 (117 worldwide citation)

An advanced telecommunications system is provided for the recognizing of spoken commands over a cellular telephone, satellite telephone, or personal communications network. In the cellular application, for example, a Speech Recognition System interconnects either internally with or as an external pe ...


7
Alan K Hunt, Thomas B Schalk: Telephone network voice recognition and verification using selectively-adjustable signal thresholds. VCS, David H Judson, November 15, 1994: US05365574 (115 worldwide citation)

A method for enabling a caller to obtain access to one or more services via a telephone network by speaking a password is described. The method begins by establishing at least one predetermined threshold value for a speaker verification signal. For each spoken character of the password, the method g ...


8
Bernard F Bareis, Peter J Foster, Thomas B Schalk: Speech recognition system for electronic switches in a cellular telephone or personal communication network. VCS, David H Judson, March 22, 1994: US05297183 (108 worldwide citation)

An advanced telecommunications system is provided for the recognizing of spoken commands over a cellular telephone, satellite telephone, or personal communications network. In the cellular application, for example, a Speech Recognition System interconnects either internally with or as an external pe ...


9
Thomas B Schalk, George R Doddington: Speaker-dependent connected speech word recognizer. Texas Instruments Incorporated, William E Hiller, N Rhys Merrett, Melvin Sharp, May 16, 1989: US04831551 (90 worldwide citation)

Speech recognition is improved using reference pattern templates which have an added noise signal (noise floor) to avoid LPC high-gain synthesizer instability at low signal levels. Also, input signal frames have a length one-half that of reference frames whereby dynamic time warp computation steps a ...


10
Alan K Hunt, Thomas B Schalk: Method for continuous recognition of alphanumeric strings spoken over a telephone network. VCS, David H Judson, April 12, 1994: US05303299 (82 worldwide citation)

The present invention describes a method for recognizing alphanumeric strings spoken over a telephone network wherein individual character recognition need not be uniformly high in order to achieve high string recognition accuracy. Preferably, the method uses a processing system having a digital pro ...