| Patents for G10L 15 - Speech recognition (31,055) |
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| 09/05/1991 | CA2051386A1 Method for spectral estimation to improve noise robustness for speech recognition |
| 09/03/1991 | US5046099 Adaptation of acoustic prototype vectors in a speech recognition system |
| 08/28/1991 | EP0238696B1 Method and apparatus for producing a list of candidate words likely corresponding to a spoken input |
| 08/28/1991 | EP0238695B1 Automatic generation of simple markov model stunted baseforms for words in a vocabulary |
| 08/28/1991 | EP0238691B1 Method and apparatus for determining a likely word sequence from labels generated by an acoustic processor |
| 08/21/1991 | EP0238693B1 Speech recognition system and method using statistical models for words |
| 08/14/1991 | EP0441642A2 Methods and apparatus for spectral analysis |
| 08/14/1991 | EP0441342A2 Noise reduction apparatus for eliminating periodic noise |
| 08/14/1991 | EP0245595B1 Apparatus and method for estimating, from sparse data, the probability that a particular one of a set of events is the next event in a string of events |
| 08/14/1991 | CN1013525B Real-time phonetic recognition method and device with or without function of identifying a person |
| 08/13/1991 | US5040215 Speech recognition apparatus using neural network and fuzzy logic |
| 08/13/1991 | US5040214 Pattern learning and recognition apparatus in a computer system |
| 08/13/1991 | US5040213 Method of renewing reference pattern stored in dictionary |
| 08/13/1991 | US5040212 Methods and apparatus for programming devices to recognize voice commands |
| 08/13/1991 | US5040127 Continuous speech recognition system |
| 08/08/1991 | WO1991011696A1 Method and apparatus for recognizing command words in noisy environments |
| 08/07/1991 | EP0440439A2 Method and system for controlling an external machine by a voice command |
| 08/07/1991 | EP0440197A2 Method and apparatus for inputting text |
| 08/01/1991 | WO1991011802A1 Time series association learning |
| 08/01/1991 | CA2045612A1 Time series association learning |
| 07/31/1991 | EP0438662A2 Apparatus and method of grouping utterances of a phoneme into context-de-pendent categories based on sound-similarity for automatic speech recognition |
| 07/30/1991 | US5036539 Real-time speech processing development system |
| 07/30/1991 | US5036538 Multi-station voice recognition and processing system |
| 07/23/1991 | CA1286778C Integrated processing unit, particularly for connected speech recognition systems |
| 07/17/1991 | EP0325075B1 Voice parameter extractor using oral airflow |
| 07/16/1991 | US5033089 Methods for forming reference voice patterns, and methods for comparing voice patterns |
| 07/16/1991 | US5033088 Method and apparatus for effectively receiving voice input to a voice recognition system |
| 07/16/1991 | US5033087 Method and apparatus for the automatic determination of phonological rules as for a continuous speech recognition system |
| 07/09/1991 | US5031217 Speech recognition system using Markov models having independent label output sets |
| 07/09/1991 | US5031113 Text-processing system |
| 07/04/1991 | DE4029716A1 Voice operated remote control system - evaluates priority of speech command in conjunction with accuracy of matching |
| 07/04/1991 | DE4029702A1 Command decoding in voice control system - using decoder to receive speech commands and assemblying command data for transmission |
| 07/03/1991 | EP0435580A2 Grammar-based checksum constraints for high performance speech recognition circuit |
| 07/03/1991 | EP0435458A1 Speech/voiceband data discriminator |
| 07/03/1991 | EP0435336A2 Reference pattern learning system |
| 07/03/1991 | EP0435282A2 Voice recognition apparatus |
| 07/02/1991 | US5029212 Continuous speech recognition unit using forward probabilities |
| 07/02/1991 | US5029085 Conversational-type natural language analysis apparatus |
| 06/25/1991 | US5027408 Speech-recognition circuitry employing phoneme estimation |
| 06/25/1991 | US5027407 Pattern recognition apparatus using a plurality of candidates |
| 06/25/1991 | US5027406 Method for interactive speech recognition and training |
| 06/18/1991 | US5025471 Method and apparatus for extracting information-bearing portions of a signal for recognizing varying instances of similar patterns |
| 06/13/1991 | WO1991008567A1 Limited vocabulary speech recognition system |
| 06/12/1991 | EP0431890A2 A voice recognition system |
| 06/11/1991 | US5023912 Pattern recognition system using posterior probabilities |
| 06/11/1991 | US5023911 Word spotting in a speech recognition system without predetermined endpoint detection |
| 06/07/1991 | CA2031641A1 System for separating speech from background noise |
| 06/05/1991 | EP0430615A2 Speech recognition system |
| 06/05/1991 | EP0429924A2 Acoustic recognition method |
| 06/05/1991 | EP0164945B1 Methods of and apparatus for speech recognition |
| 06/04/1991 | US5022081 Information recognition system |
| 05/29/1991 | EP0429233A2 Speech recognition system having speech registration function based on twice utterance of word |
| 05/28/1991 | USRE33597 Hidden Markov model speech recognition arrangement |
| 05/28/1991 | US5020107 Limited vocabulary speech recognition system |
| 05/22/1991 | EP0428449A2 Method and apparatus for pattern recognition, especially for speaker-independent speech recognition |
| 05/21/1991 | US5018201 Speech recognition dividing words into two portions for preliminary selection |
| 05/02/1991 | EP0425291A2 Word recognition process and apparatus |
| 05/02/1991 | EP0425290A2 Character recognition based on probability clustering |
| 05/02/1991 | EP0424665A2 Method and apparatus for finding the best splits in a decision tree for a language model for a speech recognizer |
| 04/30/1991 | US5012518 Low-bit-rate speech coder using LPC data reduction processing |
| 04/24/1991 | EP0423800A2 Speech recognition system |
| 04/23/1991 | US5010574 Vector quantizer search arrangement |
| 04/17/1991 | EP0422121A1 Method and apparatus for programming devices to recognize voice commands |
| 04/16/1991 | US5008941 Method and apparatus for automatically updating estimates of undesirable components of the speech signal in a speech recognition system |
| 04/10/1991 | EP0421744A2 Speech recognition method and apparatus for use therein |
| 04/10/1991 | EP0421341A2 Speech recognizer |
| 04/09/1991 | US5007101 Auto-correlation circuit for use in pattern recognition |
| 04/09/1991 | US5007081 Speech activated telephone |
| 04/03/1991 | EP0420825A2 A method and equipment for recognising isolated words, particularly for very large vocabularies |
| 04/02/1991 | US5005203 Method of recognizing continuously spoken words |
| 03/27/1991 | EP0418711A2 Method for speaker-adaptive speech recognition |
| 03/26/1991 | US5003603 Voice recognition system |
| 03/26/1991 | US5003602 Speech recognition LSI system |
| 03/26/1991 | US5003601 Speech recognition method and apparatus thereof |
| 03/20/1991 | EP0417854A2 Method for recognition of N different successions of words in a speech signal |
| 03/20/1991 | EP0296588B1 Method and circuit arrangement for the automatic recognition of signal sequences |
| 03/19/1991 | US5001760 Speech recognition apparatus and method utilizing an orthogonalized dictionary |
| 03/13/1991 | EP0188761B1 Pattern recognizing device with pattern matching in slant parallelogrammic blocks of widths dependent on classified reference pattern lengths |
| 03/05/1991 | US4998280 Speech recognition apparatus capable of discriminating between similar acoustic features of speech |
| 02/21/1991 | WO1991002348A1 Speech recognition using spectral line frequencies |
| 02/20/1991 | EP0413361A2 Speech-recognition circuitry employing nonlinear processing, speech element modelling and phoneme estimation |
| 02/19/1991 | US4994983 Automatic speech recognition system using seed templates |
| 02/06/1991 | EP0411290A2 Method and apparatus for extracting information-bearing portions of a signal for recognizing varying instances of similar patterns |
| 02/06/1991 | EP0411037A1 Voice-operated service. |
| 02/05/1991 | USH891 Automatic illumination switching device |
| 02/05/1991 | US4991217 Dual processor speech recognition system with dedicated data acquisition bus |
| 02/05/1991 | US4991216 Method for speech recognition |
| 01/29/1991 | US4989253 Voice activated microscope |
| 01/29/1991 | US4989249 Method of feature determination and extraction and recognition of voice and apparatus therefore |
| 01/29/1991 | US4989248 Speaker-dependent connected speech word recognition method |
| 01/22/1991 | US4987596 Knowledge-guided automatic speech recognition apparatus and method |
| 01/22/1991 | CA1279404C Digital speech coder having improved vector excitation source |
| 01/15/1991 | US4985929 System for use in processing a speech by the use of stenographs |
| 01/15/1991 | US4985924 Speech recognition apparatus |
| 01/10/1991 | DE3935308C1 Speech recognition method by digitising microphone signal - using delta modulator to produce continuous of equal value bits for data reduction |
| 01/08/1991 | US4984275 Method and apparatus for speech recognition |
| 01/08/1991 | US4984178 Chart parser for stochastic unification grammar |
| 01/08/1991 | US4984177 Voice language translator |
| 01/02/1991 | EP0405839A2 Speech detector with improved line-fault immunity |
| 01/01/1991 | US4982433 Speech analysis method |