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7634404 Speech recognition method and apparatus utilizing segment models  
A method and apparatus determine the likelihood of a sequence of words based in part on a segment model. The segment model includes trajectory expressions formed as the product of a polynomial...
7624011 Speech recognition method computer readable medium and apparatus for recognizing geographical names using weight information  
A speech recognition apparatus and method of this invention manage previously input frequencies of occurrence for respective geographical names to be recognized ( 202 ), update the probability of...
7596496 Voice activity detection apparatus and method  
A voice activity detection method comprising the steps of (a) Estimating in a noise power estimator the noise power within a signal having a speech component and a noise component, and (b)...
7584099 Method and system for interpreting verbal inputs in multimodal dialog system  
A method, a system and a computer program product for interpreting a verbal input in a multimodal dialog system are provided. The method includes assigning ( 302 ) a confidence value to at least...
7584184 System of effectively searching text for keyword, and method thereof  
A system of the present invention stores: a first index which designates lists of keywords contained in texts from identifications of the respective texts; a second index which designates lists of...
7584098 Vocabulary-independent search of spontaneous speech  
A method of identifying a location of a query string in an audio signal is provided. Under the method, a segment of the audio signal is selected. A score for a query string in the segment of the...
7574356 System and method for spelling recognition using speech and non-speech input  
A system and method for non-speech input or keypad-aided word and spelling recognition is disclosed. The method comprises performing spelling recognition via automatic speech recognition (ASR) on...
7565265 Method and apparatus for combining outputs of multiple systems  
Automatic recognition systems ( 100 ) includes multiple automatic recognition subsystems ( 102, 104, 106 ) that are cable of producing estimates of the probability that a subject matches a...
7546529 Method and system for providing alternatives for text derived from stochastic input sources  
A computer-implemented method for providing a candidate list of alternatives for a text selection containing text from multiple input sources, each of which can be stochastic (such as a speech...
7533015 Signal enhancement via noise reduction for speech recognition  
Provides speech enhancement techniques for extemporaneous noise without a noise interval and unknown extemporaneous noise. Signal enhancement includes: subtracting a given reference signal from an...
7529667 Automated dialog system and method  
This invention concerns a method and system for monitoring an automated dialog system for the automatic recognition of language understanding errors based on a user's input communications. The...
7529666 Minimum bayes error feature selection in speech recognition  
In connection with speech recognition, the design of a linear transformation θε p×n , of rank p×n, which projects the features of a classifier xε n onto y=θxε p such as to achieve minimum...
7512545 Method, software and system for developing interactive call center agent personas  
A method, software and system of developing personalities for interactive and/or automated call center applications are provided. According to teachings of the present invention, sample population...
7505909 Device control device and device control method  
A language analyzer ( 2 ) performs speech recognition on a speech input by a speech input unit ( 1 ), specifies a possible word which is represented by the speech, and the score thereof, and...
7493257 Method and apparatus handling speech recognition errors in spoken dialogue systems  
To handle portions of a recognized sentence having an error, a user is questioned about contents associated with portions. According to a user's answer, a result is obtained. Speech recognition...
7487087 Method of speech recognition using variational inference with switching state space models  
A method is developed which includes 1) defining a switching state space model for a continuous valued hidden production-related parameter and the observed speech acoustics, and 2) approximating a...
7487091 Speech recognition device for recognizing a word sequence using a switching speech model network  
A speech recognition device which can preferably be used for reducing the memory capacity required for speaker-independent speech recognition is provided. A matching unit loads speech models...
7487092 Interactive debugging and tuning method for CTTS voice building  
A speech recognition device which can preferably be used for reducing the memory capacity required for speaker-independent speech recognition is provided. A matching unit loads speech models...
7487094 System and method of call classification with context modeling based on composite words  
A system and method of automatically classifying a communication involving at least one human, e.g., a human-to-human telephone conversation, into predefined categories of interest, e.g., “angry...
7487088 Method and system for predicting understanding errors in a task classification system  
This invention concerns a method and system for monitoring an automated dialog system for the automatic recognition of language understanding errors based on a user's input communications. The...
7480615 Method of speech recognition using multimodal variational inference with switching state space models  
A method of efficiently setting posterior probability parameters for a switching state space model begins by defining a window containing at least two but fewer than all of the frames. A separate...
7480614 Energy feature extraction method for noisy speech recognition  
The present invention provides an energy feature extraction method for noisy speech recognition. At first, noisy speech energy of an input noisy speech is computed. Next, the noise energy in the...
7473838 Sound identification apparatus  
A sound identification apparatus which reduces the chance of a drop in the identification rate, including: a frame sound feature extraction unit which extracts a sound feature per frame of an...
7475012 Signal detection using maximum a posteriori likelihood and noise spectral difference  
Robust signal detection against various types of background noise is implemented. According to a signal detection apparatus, the feature amount of an input signal sequence and the feature amount of...
7472062 Efficient recursive clustering based on a splitting function derived from successive eigen-decompositions  
Methods and arrangements for facilitating data clustering. From a set of input data, a predetermined number of non-overlapping subsets are created. The input data is split recursively to create the...
7464031 Speech recognition utilizing multitude of speech features  
In a speech recognition system, the combination of a log-linear model with a multitude of speech features is provided to recognize unknown speech utterances. The speech recognition system models...
7460992 Method of pattern recognition using noise reduction uncertainty  
A method and apparatus are provided for using the uncertainty of a noise-removal process during pattern recognition. In particular, noise is removed from a representation of a portion of a noisy...
7457748 Method of automatic processing of a speech signal  
Method of automatically processing a speech signal which comprises the steps of: determining a sequence of probability models corresponding to a given text; determining a sequence of...
7454336 Variational inference and learning for segmental switching state space models of hidden speech dynamics  
A system and method that facilitate modeling unobserved speech dynamics based upon a hidden dynamic speech model in the form of segmental switching state space model that employs model parameters...
7454337 Method of modeling single data class from multi-class data  
The present invention is a method of modeling a single class of data from data containing multiple classes of data of the same type of data by first receiving a collection of data that includes...
7451083 Removing noise from feature vectors  
A method and computer-readable medium are provided for identifying clean signal feature vectors from noisy signal feature vectors. One aspect of the invention includes using an iterative approach...
7447626 Method and apparatus for generating a language independent document abstract  
A method of extracting significant phrases from one or more documents stored in a computer-readable medium. A sequence of words is read from the one or more documents and a score is determined for...
7440893 Automated dialog method with first and second thresholds for adapted dialog strategy  
This invention concerns a method and system for monitoring an automated dialog system for the automatic recognition of language understanding errors based on a user's input communications. The...
7437288 Speech recognition apparatus  
A speech recognition apparatus using a probability model that employs a mixed distribution, the apparatus formed by a standard pattern storage means for storing a standard pattern; a recognition...
7421387 Dynamic N-best algorithm to reduce recognition errors  
A method for reducing recognition errors. The method includes receiving an N-best list associated with an input of a computer based recognition system. The N-best list includes one or more...
7409342 Speech recognition device using statistical language model  
A speech recognizing device. Natural speech recognizing means recognizes speech input in an application program by dictation. Recognition result converting means converts a recognition result from...
7406408 Method of recognizing phones in speech of any language  
Method of recognizing phones in speech of any language. Acquire phones for all languages and a set of languages. Acquire a pronunciation dictionary, a transcript of speech for the set of languages,...
7406416 Representation of a deleted interpolation N-gram language model in ARPA standard format  
A method and apparatus are provided for storing parameters of a deleted interpolation language model as parameters of a backoff language model. In particular, the parameters of the deleted...
7389230 System and method for classification of voice signals  
A system and method for classifying a voice signal to one of a set of predefined categories, based upon a statistical analysis of features extracted from the voice signal. The system includes an...
7386438 Identifying language attributes through probabilistic analysis  
A system and method for identifying language attributes through probabilistic analysis is described. A set of language classes and a plurality of training documents are defined, Each language class...
7379867 Discriminative training of language models for text and speech classification  
Methods are disclosed for estimating language models such that the conditional likelihood of a class given a word string, which is very well correlated with classification accuracy, is maximized....
7356466 Method and apparatus for performing observation probability calculations  
A method and apparatus for calculating an observation probability includes a first operation unit that subtracts a mean of a first plurality of parameters of an input voice signal from a second...
7346509 Software for statistical analysis of speech  
Computer-implemented methods and apparatus are provided to facilitate the recognition of the content of a body of speech data. In one embodiment, a method for analyzing verbal communication is...
7324940 Speech recognition concept confidence measurement  
Systems and methods for determining a confidence score associated with a decoding output of a speech recognition engine. In one embodiment, a method of determining the confidence score comprises...
7324927 Fast feature selection method and system for maximum entropy modeling  
A method to select features for maximum entropy modeling in which the gains for all candidate features are determined during an initialization stage and gains for only top-ranked features are...
7318028 Method and apparatus for determining an estimate  
For determining an estimate of a need for information units for encoding a signal, a measure for the distribution of the energy in the frequency band is taken into account in addition to the...
7310600 Language recognition using a similarity measure  
A dynamic programming technique is provided for matching two sequences of phonemes both of which may be generated from text or speech. The scoring of the dynamic programming matching technique uses...
7310601 Speech recognition apparatus and speech recognition method  
The present invention provides a speech recognition apparatus which appropriately performs speech recognition by generating, in real time, language models adapted to a new topic even in the case...
7299187 Voice command processing system and computer therefor, and voice command processing method  
When a user issued voice command does not match grammars registered in advance, the voice command is identified as a sentence (step S 305 ). This sentence is compared with the registered grammars...
7295978 Systems and methods for using one-dimensional gaussian distributions to model speech  
A system for recognizing speech receives an input speech vector and identifies a Gaussian distribution. The system determines an address from the input speech vector ( 610 ) and uses the address to...
Matches 1 - 50 out of 267 1 2 3 4 5 6 >