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7117153 Method and apparatus for predicting word error rates from text  
A method of modeling a speech recognition system includes decoding a speech signal produced from a training text to produce a sequence of predicted speech units. The training text comprises a...
7113908 Method for recognizing speech using eigenpronunciations  
To increase the recognition rate and quality in a process of recognizing speech an approximative set of pronunciation rules (APR) for a current pronunciation (CP) of a current speaker is determined...
7110949 System and method for analysis and adjustment of speech-enabled systems  
A method for analyzing and adjusting the performance of a speech-enabled application includes selecting a number of user utterances that were previously received by the speech-enabled application....
7103544 Method and apparatus for predicting word error rates from text  
A method of modeling a speech recognition system includes decoding a speech signal produced from a training text to produce a sequence of predicted speech units. The training text comprises a...
7089184 Speech recognition for recognizing speaker-independent, continuous speech  
A speech recognition method and apparatus are provided for converting a voice stream into a digital voice stream representation. A method for performing speech recognition on a voice stream...
7082392 Management of speech technology modules in an interactive voice response system  
This invention relates to the management, in an interactive voice response system, of a plurality of speech technology modules. In particular it relates to an apparatus and a method for dynamically...
7076428 Method and apparatus for selective distributed speech recognition  
An apparatus and method for selective distributed speech recognition includes a dialog manager ( 104 ) that is capable of receiving a grammar type indicator ( 170 ). The dialog manager ( 104 ) is...
7072837 Method for processing initially recognized speech in a speech recognition session  
In a speech recognition session, a method of speech processing utilizing a plurality of grammars can include a series of steps. The method can include spawning a separate thread of execution...
7072836 Speech processing apparatus and method employing matching and confidence scores  
A speech recognition method and apparatus is disclosed in which each utterance matched to a feature model within a feature model memory ( 110 ) is associated with a confidence score indicative of...
7069215 Systems and methods for extracting meaning from multimodal inputs using finite-state devices  
Finite-state systems and methods allow multiple input streams to be parsed and integrated by a single finite-state device. These systems and methods not only address multimodal recognition, but are...
7065488 Speech recognition system with an adaptive acoustic model  
At the time of the speaker adaptation, first feature vector generation sections ( 7, 8, 9 ) generate a feature vector series [C i, M ] from which the additive noise and multiplicative noise are...
7065487 Speech recognition method, program and apparatus using multiple acoustic models  
The present invention provides a speech recognition method for achieving a high recognition rate even under an environment where plural types of noise exist. Noise is eliminated by the spectral...
7062436 Word-specific acoustic models in a speech recognition system  
An acoustic model includes word-specific models, that are specific to candidate words. The candidate words would otherwise be mapped to a series of general phones. A sub-series of the general...
7062433 Method of speech recognition with compensation for both channel distortion and background noise  
A method of speech recognition with compensation is provided by modifying HMM models trained on clean speech with cepstral mean normalization. For all speech utterances the MFCC vector is...
7035801 Text language detection  
A method of determining the language of a text message received by a mobile telecommunications device indicates receiving an input text message at a mobile telecommunications device; analyzing the...
7031915 Assisted speech recognition by dual search acceleration technique  
A speech recognition method, system and program product, the method in one embodiment comprising: obtaining input speech data; initiating a first speech recognition search process with at least one...
7027988 System and method of ε removal of weighted automata and transducers  
An improved ε-removal method is disclosed that computes for any input weighted automaton A with ε-transitions an equivalent weighted automaton B with no ε-transitions. The method comprises two...
7024359 Distributed voice recognition system using acoustic feature vector modification  
A voice recognition system applies speaker-dependent modification functions to acoustic feature vectors prior to voice recognition pattern matching against a speaker-independent acoustic model. An...
7024361 Information processing apparatus and method, a computer readable medium storing a control program for making a computer implemented information process, and a control program for selecting a specific grammar corresponding to an active input field or for controlling selection of a grammar or comprising a code of a selection step of selecting a specific grammar  
An information processing apparatus inputs a document having a plurality of input fields, and displays it using a display control item. The apparatus then determines whether or not one of the...
7020606 Voice recognition using a grammar or N-gram procedures  
A method for voice recognition, wherein a diagram method with integrated unequivocal syntax restriction is combined with an N-gram voice model with statistical word sequence evaluation in such a...
7016837 Voice recognition system  
An initial combination HMM 16 is generated from a voice HMM 10 having multiplicative distortions and an initial noise HMM of additive noise, and at the same time, a Jacobian matrix J is...
7013276 Method of assessing degree of acoustic confusability, and system therefor  
Predicting speech recognizer confusion where utterances can be represented by any combination of text form and audio file. The utterances are represented with an intermediate representation that...
7010486 Speech recognition system, training arrangement and method of calculating iteration values for free parameters of a maximum-entropy speech model  
The invention relates to a speech recognition system and a method of calculating iteration values for free parameters λ α ortho(n) of a maximum-entropy speech model MESM with the aid of the...
7003465 Method for speech recognition, apparatus for the same, and voice controller  
An acoustic analysis unit acoustically analyzes a first utterance by a user. A pattern by-characteristic selection unit selects a trained pattern optimal for the user's utterance from a plurality...
7003460 Method and apparatus for an adaptive speech recognition system utilizing HMM models  
In speech recognition, phonemes of a language are modelled by a hidden Markov model, whereby each status of the hidden Markov model is described by a probability density function. For speech...
6999925 Method and apparatus for phonetic context adaptation for improved speech recognition  
The present invention provides a computerized method and apparatus for automatically generating from a first speech recognizer a second speech recognizer which can be adapted to a specific domain....
6999929 Recognizing speech by selectively canceling model function mixture components  
A method for recognizing speech is proposed wherein the process of recognition is started using the starting acoustic model (SAM) and wherein the current acoustic model (CAM) is modified by...
6999928 Method and apparatus for speaker identification using cepstral covariance matrices and distance metrics  
Disclosed is a method of automated speaker identification, comprising receiving a sample speech input signal from a sample handset; deriving a cepstral covariance sample matrix from the first...
6996519 Method and apparatus for performing relational speech recognition  
A method and apparatus for performing speech recognition using observable relationships between words. Results from a speech recognition pass can be combined with information about the observable...
6985862 Histogram grammar weighting and error corrective training of grammar weights  
A multi-level method for estimating and training weights associated with grammar options is presented. The implementation of the method implemented differs depending on the amount of utterance data...
6985859 Robust word-spotting system using an intelligibility criterion for reliable keyword detection under adverse and unknown noisy environments  
A method and system for spotting words in a speech signal having adverse and unknown noisy environments is provided. The method removes the dynamic bias introduced by the environment (i.e., noise...
6983247 Augmented-word language model  
A language model comprising a plurality of augmented-word n-grams and probabilities corresponding to such n-grams. Each n-gram is comprised of a sequence of augmented words. Each augmented word is...
6983248 Methods and apparatus for recognized word registration in accordance with speech recognition  
A sounds-like spelling group is generated in which scores are used for word descriptions. A user selects a correct sounds-like spelling from a generated sounds-like spelling group, and a group of...
6980954 Search method based on single triphone tree for large vocabulary continuous speech recognizer  
A search method based on a single triphone tree for large vocabulary continuous speech recognizer is disclosed in which speech signal are received. Tokens are propagated in a phonetic tree to...
6970818 Methodology for implementing a vocabulary set for use in a speech recognition system  
The present invention comprises a methodology for implementing a vocabulary set for use in a speech recognition system, and may preferably include a recognizer for analyzing utterances from the...
6965856 Process for the automatic generation of a textual expression from a semantic representation using a computer system  
A procedure for the automatic generation of a textual expression from a semantic representation by a computer-system is described. With the procedure, a statistical model is determined by the...
6963837 Attribute-based word modeling  
An attribute-based speech recognition system is described. A speech pre-processor receives input speech and produces a sequence of acoustic observations representative of the input speech. A...
6961694 Method and apparatus for reducing latency in speech-based applications  
A speech recognition interface and computer-readable medium build a grammar for speech recognition that reduces latency in speech-based applications. The interface and medium receive instructions...
6952675 Methods and apparatus for voice information registration and recognized sentence specification in accordance with speech recognition  
A group of sentences to be recognized is obtained from an application and, using parsing logic, each target sentence to be recognized is divided into words, e.g., speech recognition units....
6937981 Voice recognition system  
A multiplicative distortion Hm(cep) is subtracted from a voice HMM 5 , a multiplicative distortion Ha(cep) of the uttered voice is subtracted from a noise HMM 6 formed by HMM, and the...
6928404 System and methods for acoustic and language modeling for automatic speech recognition with large vocabularies  
Systems and methods are provided for generating a language component vocabulary VC for a speech recognition system having a language vocabulary V of a plurality of word forms. One method for...
6922669 Knowledge-based strategies applied to N-best lists in automatic speech recognition systems  
A highly accurate technique for recognizing spoken digit strings is described. A spoken digit string is received and analyzed by a speech recognizer, which generates a list of hypothesized digit...
6917919 Speech recognition method  
A speech recognition method is described in which a basic set of models is adapted to a current speaker on account of the speaker's already noticed speech data. The basic set of models comprises...
6915246 Employing speech recognition and capturing customer speech to improve customer service  
The present invention comprises receiving speech input from two or more speakers, including a first speaker (such as a customer service representative for example); blocking a portion of the speech...
6915260 Method of determining an eigenspace for representing a plurality of training speakers  
Described here is a method of determining an eigenspace for representing a plurality of training speakers, in which first speaker-dependent sets of models are formed for the individual training...
6912499 Method and apparatus for training a multilingual speech model set  
The invention relates to a method and apparatus for training a multilingual speech model set. The multilingual speech model set generated is suitable for use by a speech recognition system for...
6904402 System and iterative method for lexicon, segmentation and language model joint optimization  
A method for optimizing a language model is presented comprising developing an initial language model from a lexicon and segmentation derived from a received corpus using a maximum match technique,...
6898567 Method and apparatus for multi-level distributed speech recognition  
A system and method for multi-level distributed speech recognition includes a terminal ( 122 ) having a terminal speech recognizer ( 136 ) coupled to a microphone ( 130 ). The terminal speech...
6895376 Eigenvoice re-estimation technique of acoustic models for speech recognition, speaker identification and speaker verification  
A reduced dimensionality eigenvoice analytical technique is used during training to develop context-dependent acoustic models for allophones. Re-estimation processes are performed to more strongly...
6892176 Hash function based transcription database  
A hash function based data retrieval system for use with a lexicon database of a data processing system is disclosed. The system comprises a RAM, a disk memory, and a data file residing in the disk...
Matches 101 - 150 out of 438 < 1 2 3 4 5 6 7 8 9 >