Matches 201 - 250 out of 437 < 1 2 3 4 5 6 7 8 9 >
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6502075 Auto attendant having natural names database library  
An automated telephone operator platform (e.g., an auto attendant) has a natural names library associated therewith. The natural names library comprises a large database of audio files representing...
6502072 Two-tier noise rejection in speech recognition  
A method and apparatus is provided for two-tier noise rejection in speech recognition. The method and apparatus convert an analog speech signal into a digital signal and extract features from the...
6502073 Low data transmission rate and intelligible speech communication  
A method of processing speech representative of ideograms for speech communication using an asynchronous communication channel ( 21 ) is disclosed. The method includes the step of processing speech...
6499012 Method and apparatus for hierarchical training of speech models for use in speaker verification  
A method and apparatus for generating a pair of data elements is provided suitable for use in a speaker verification system. The pair includes a first element representative of a speaker...
6483896 Speech recognition using telephone call parameters  
A speech recognition system recognizes a telephone call parameter dependent word received during a telephone call. The recognition system extracts a telephone call parameter (e.g., the telephone...
6484136 Language model adaptation via network of similar users  
A language recognition system, method and program product for recognizing language based input from computer users on a network of connected computers. Each computer includes at least one user...
6473735 System and method for speech verification using a confidence measure  
The present invention comprises a system and method for speech verification using a confidence measure that includes a speech verifier which compares a differential score for a recognized word to a...
6463413 Speech recognition training for small hardware devices  
A distributed speech processing system for constructing speech recognition reference models that are to be used by a speech recognizer in a small hardware device, such as a personal digital...
6456971 Systems and methods for determinizing and minimizing a finite state transducer for pattern recognition  
A pattern recognition system and method for optimal reduction of redundancy and size of a weighted and labeled graph presents receiving speech signals, converting the speech signals into word...
6456970 Minimization of search network in speech recognition  
The search network in a speech recognition system is reduced by parsing the incoming speech expanding all active paths ( 101 ), comparing to speech models and scoring the paths and storing...
6449594 Method of model adaptation for noisy speech recognition by transformation between cepstral and linear spectral domains  
A method of model adaptation for noisy speech recognition determines the cepstral mean vector and covariance matrix of adapted noisy speech from the cepstral mean vectors and covariance matrices of...
6446039 Speech recognition method, speech recognition device, and recording medium on which is recorded a speech recognition processing program  
This invention concerns obtaining high recognition capability while there is a large limitation on memory capacity and processing ability of a CPU. When several words are selected as registration...
6442520 Method and apparatus for continuous speech recognition using a layered, self-adjusting decoded network  
A continuous speech decoder that is built up of multiple layers. Each of the layers uses independent knowledge sources and rules, but all the layers cooperate to quickly decode the speech input...
6418411 Method and system for adaptive speech recognition in a noisy environment  
The system uses utterances recorded in low noise condition, such as a car engine off to optimally adapt speech acoustic models to transducer and speaker characteristics and uses speech pauses to...
6415248 Method for building linguistic models from a corpus  
A method iteratively integrates clustering techniques with phrase acquisition techniques to build complex linguistic models from a corpus. A set of features is initialized by the corpus....
6405168 Speaker dependent speech recognition training using simplified hidden markov modeling and robust end-point detection  
A speech recognition training system that provides for model generation to be used within speaker dependent speech recognition systems requiring very limited training data, including single token...
6401064 Automatic speech recognition using segmented curves of individual speech components having arc lengths generated along space-time trajectories  
A method and apparatus for speech recognition using Markov processes on curves are presented. The method and apparatus operate such that input speech utterances are received and represented as...
6393398 Continuous speech recognizing apparatus and a recording medium thereof  
A second pass processor detects a stable portion in a 1-best word string obtained by a second pass processing, and determines the word string in the detected stable portion as a speech recognition...
6377924 Method of enrolling phone-based speaker specific commands  
A method of enrolling phone-based speaker specific commands includes the first step of providing a set of (H) of speaker-independent phone-based Hidden Markov Models (HMMs), grammar (G) comprising...
6377923 Speech recognition method and system using compression speech data  
A vocoder based voice recognizer recognizes a spoken word using linear prediction coding (LPC) based, vocoder data without completely reconstructing the voice data. The recognizer generates at...
6374220 N-best search for continuous speech recognition using viterbi pruning for non-output differentiation states  
A method for N-best search for continuous speech recognition with limited storage space includes the steps of Viterbi pruning word level (same word, different time alignment, thus non-output...
6374219 System for using silence in speech recognition  
A system for recognizing speech based on an input data stream indicative of the speech provides possible words represented by the input data stream as a prefix tree including a plurality of phoneme...
6374226 System and method for interfacing speech recognition grammars to individual components of a computer program  
A system for incorporating speech recognition into a computer program, including a number of speech controller modules corresponding to program components within the computer program. Each speech...
6349282 Compound words in speech recognition systems  
An automatic speech recognition system includes a recognition engine, a compound lexicon, and a compounder. The recognition engine generates a recognition result having a sequence of recognized...
6345254 Method and apparatus for improving speech command recognition accuracy using event-based constraints  
A method and system for improving the speech command recognition accuracy of a computer speech recognition system uses event-based constraints to recognize a spoken command. The constraints are...
6345249 Automatic analysis of a speech dictated document  
A method for automatically analyzing a document in a speech recognition system having a vocabulary and language model can include the steps of: determining whether the document has undergone...
6341264 Adaptation system and method for E-commerce and V-commerce applications  
Electronic commerce (E-commerce) and Voice commerce (V-commerce) proceeds by having the user speak into the system. The user's speech is converted by speech recognizer into a form required by the...
6334102 Method of adding vocabulary to a speech recognition system  
A method and a system for use in a computer speech recognition system for adding new vocabulary by using language model statistics corresponding to an existing vocabulary word. The method involves...
6330537 Automatic filtering of TV contents using speech recognition and natural language  
Speech recognition and natural language parsing components are used to extract the meaning of the user's spoken input. The system stores a semantic representation of an electronic program guide,...
6327565 Speaker and environment adaptation based on eigenvoices  
A set of speaker dependent models is trained upon a comparatively large number of training speakers, one model per speaker, and model parameters are extracted in a predefined order to construct a...
6314400 Method of estimating probabilities of occurrence of speech vocabulary elements  
The invention relates to a method of estimating probabilities of occurrence of speech vocabulary elements in a speech recognition system. By modification of the linguistic speech modeling, further...
6314399 Apparatus for generating a statistical sequence model called class bi-multigram model with bigram dependencies assumed between adjacent sequences  
An apparatus generates a statistical class sequence model called A class bi-multigram model from input training strings of discrete-valued units, where bigram dependencies are assumed between...
6308152 Method and apparatus of speech recognition and speech control system using the speech recognition method  
A string of acoustic feature parameters of each of recognition-desired words and a string of acoustic feature parameters of each of reception words are registered in advance. When an uttered word...
6308155 Feature extraction for automatic speech recognition  
An automatic speech recognition apparatus and method with a front end feature extractor that improves recognition performance under adverse acoustic conditions are disclosed. The inventive feature...
6308151 Method and system using a speech recognition system to dictate a body of text in response to an available body of text  
A system and method is delineated for dictating a body of text in response to an available body of text. In the preferred embodiment, the available body of text comprises only the textual body in...
6304844 Spelling speech recognition apparatus and method for communications  
An accurate speech recognition system capable of rapidly processing greater varieties of words and operable in many different devices, but without the computational power and memory requirements,...
6301559 Speech recognition method and speech recognition device  
To realize a speech recognition method and speech recognition device that reduce erroneous recognition for words that are not to be recognized and ambient sounds, and to improve the recognition...
6301561 Automatic speech recognition using multi-dimensional curve-linear representations  
A method and apparatus for speech recognition using Markov processes on curves are presented. The method and apparatus operate such that input speech utterances are received and represented as...
6292779 System and method for modeless large vocabulary speech recognition  
A modeless large vocabulary continuous speech recognition system is provided that represents an input utterance as a sequence of input vectors. The system includes a common library of acoustic...
6285981 Speed up speech recognition search using macro evaluator  
A speed up speech recognition search method is provided wherein the number of HMM states is determined and a microslot is allocated for Hidden Markov Models (HMMs) below a given threshold level of...
6285980 Context sharing of similarities in context dependent word models  
A natural number recognition method and system that uses minimum classification error trained inter-word context dependent models of the head-body-tail type over a specific vocabulary. One part of...
6275801 Non-leaf node penalty score assignment system and method for improving acoustic fast match speed in large vocabulary systems  
A method for fast match processing, comprising two stages, a pre-processing stage and an on-line stage. The pre-processing stage comprises the steps of computing an a-priori probability of...
6275792 Method and system for generating a minimal set of test phrases for testing a natural commands grammar  
A method for automatically generating a minimal set of test phrases for testing a natural commands grammar includes the steps of selecting a line of text in the natural commands grammar; forming a...
6275802 Search algorithm for large vocabulary speech recognition  
Automatic speech recognition word sequence hypotheses are generated using an interleaved forward-backward search. A forward search pass uses relatively simple models for a given block period of...
6272464 Method and apparatus for assembling a prediction list of name pronunciation variations for use during speech recognition  
Multiple, yet plausible, pronunciations of a proper name are generated based on one or more potential language origins of the name, and based further on the context in which the name is being...
6272455 Method and apparatus for understanding natural language  
In a speech recognition system capable of identifying particular words, input speech signals can be processed to detect certain patterns and word combinations. The recognition of these speech...
6269334 Nongaussian density estimation for the classification of acoustic feature vectors in speech recognition  
A statistical modeling paradigm for automatic machine recognition of speech uses mixtures of nongaussion statistical probability densities which provides improved recognition accuracy. Speech is...
6266634 Method and apparatus for generating deterministic approximate weighted finite-state automata  
An approximate weighted finite-state automaton can be constructed in place of a weighted finite-state automaton so long as the approximate weighted finite-state automaton maintains a sufficient...
6260014 Specific task composite acoustic models  
A method for recognizing speech includes the steps of providing a generic model having a baseform representation of a vocabulary of words, identifying a subset of words relating to an application,...
6253181 Speech recognition and teaching apparatus able to rapidly adapt to difficult speech of children and foreign speakers  
The recognizer tests input utterances using a confidence measure to select words of high recognition confidence for use in the adaptation process. Adaptation is performed rapidly using a priori...
Matches 201 - 250 out of 437 < 1 2 3 4 5 6 7 8 9 >