1
Lorin P Netsch, George R Doddington: Temporal decorrelation method for robust speaker verification. Texas Instruments Incorporated, L Joy Griebenow, William E Hiller, Richard Donaldson, November 24, 1992: US05167004 (104 worldwide citation)

A speaker voice verification system uses temporal decorrelation linear transformation and includes a collector for receiving speech inputs from an unknown speaker claiming a specific identity, a word-level speech features calculator operable to use a temporal decorrelation linear transformation for ...


2
Yeshwant K Muthusamy, Lorin P Netsch, Periagaram K Rajasekaran, Barbara J Wheatley: Automatic language identification method and system. Texas Instruments Incorporated, Robert L Troike, W James Brady III, Richard L Donaldson, September 8, 1998: US05805771 (51 worldwide citation)

This invention consists of three enhancements to HMM-based automatic language identification systems. The three enhancements are: (i) language-discriminant acoustic model training and recognition, (ii) an acoustic model pruning procedure that picks only those phonetic models which are considered use ...


3
Jayant M Naik, Lorin P Netsch, George R Doddington: Voice verification circuit for validating the identity of telephone calling card customers. Texas Instruments Incorporated, Pehr B Jansson, Frank J Kowalski, Leo N Heiting, June 1, 1993: US05216720 (39 worldwide citation)

An apparatus and method for verifying the identity of an unknown user of a telephone calling card service is disclosed which receives identification information corresponding to a valid user of the service, requests the unknown user to speak an authorization phrase without disclosing the authorizati ...


4
Lorin P Netsch: Method and system of adapting speech recognition models to speaker environment. Texas Instruments Incorporated, Robert L Troike, Richard L Donaldson, December 14, 1999: US06003002 (31 worldwide citation)

The method and system of adapting speech recognition models to a speaker environment may comprise receiving a spoken password (52) and getting a set of speaker independent (SI) speech recognition models (54). A mapping sequence may be determined for the spoken password (56). Using the mapping sequen ...


5
Jayant M Naik, Lorin P Netsch, George R Doddington: Voice verification circuit for validating the identity of an unknown person. Texas Instruments Incorporated, L Joy Griebenow, N Rhys Merrett, Melvin Sharp, October 1, 1991: US05054083 (29 worldwide citation)

A speaker verification system receives input speech from a speaker of unknown identity. The speech undergoes linear predictive coding (LPC) analysis and transformation to maximize separability between true speakers and impostors when compared to reference speech parameters which have been similarly ...


6
Levent M Arslan, Lorin P Netsch, Periagaram K Rajasekaran: Method of out of vocabulary word rejection. Texas Instruments Incorporated, Robert L Troike, Frederick J Telecky Jr, June 5, 2001: US06243677 (17 worldwide citation)

An improved method of providing out-of-vocabulary word rejection is achieved by adapting an initial garbage model (


7
Charles T Hemphill, Lorin P Netsch, Christopher M Kribs: Speech recognition using middle-to-middle context hidden markov models. Texas Instruments Incorporated, Robert L Troike, Wade James Brady III, Richard L Donaldson, September 22, 1998: US05812974 (9 worldwide citation)

This is a speech recognition method for modeling adjacent word context, comprising: dividing a first word or period of silence into two portions; dividing a second word or period of silence, adjacent to the first word, into two potions; and combining last portion of the first word or period of silen ...


8
Alexis P Bernard, Lorin P Netsch: Automatic language independent triphone training using a phonetic table. Texas Instruments Incorporated, W James Brady III, Frederick J Telecky Jr, October 30, 2007: US07289958 (6 worldwide citation)

A method for training acoustic models for a new target language is provided using a phonetic table, which characterizes the phones, used in one or more reference language(s) with respect to their articulatory properties; a phonetic table, which characterizes the phones used in the target language wi ...


9
Lorin P Netsch, Qifeng Zhu: System and method for reducing storage requirements for a model containing mixed weighted distributions and automatic speech recognition model incorporating the same. Texas Instruments Incorporated, Texas Instruments Incorporated, December 27, 2007: US20070299667-A1

A system for, and method of, generating an acoustic model and a mobile communication device that includes an acoustic model having at least one mixture weight vector generated by the method. In one embodiment, the method includes: (1) generating at least one mixture weight vector, (2) re-ordering el ...


10
Alexis P Bernard, Lorin P Netsch: Automatic language independent triphone training using a phonetic table. Texas Instruments Incorporated, April 7, 2005: US20050075887-A1

A method for training acoustic models for a new target language is provided using a phonetic table, which characterizes the phones, used in one or more reference language(s) with respect to their articulatory properties; a phonetic table, which characterizes the phones used in the target language wi ...