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9037462 User intention based on N-best list of recognition hypotheses for utterances in a dialog  
Disclosed herein are systems, computer-implemented methods, and tangible computer-readable media for using alternate recognition hypotheses to improve whole-dialog understanding accuracy. The...
9009039 Noise adaptive training for speech recognition  
Technologies are described herein for noise adaptive training to achieve robust automatic speech recognition. Through the use of these technologies, a noise adaptive training (NAT) approach may...
8972254 Turbo processing for speech recognition with local-scale and broad-scale decoders  
Environmental recognition systems may improve recognition accuracy by leveraging local and nonlocal features in a recognition target. A local decoder may be used to analyze local features, and a...
8793124 Speech processing method and apparatus for deciding emphasized portions of speech, and program therefor  
A scheme to judge emphasized speech portions, wherein the judgment is executed by a statistical processing in terms of a set of speech parameters including a fundamental frequency, power and a...
8774261 Soft linear and non-linear interference cancellation  
A two stage interference cancellation (IC) process includes a linear IC stage that suppresses co-channel interference (CCI) and adjacent channel interference (ACI). The linear IC stage...
8719023 Robustness to environmental changes of a context dependent speech recognizer  
An apparatus to improve robustness to environmental changes of a context dependent speech recognizer for an application, that includes a training database to store sounds for speech recognition...
8700400 Subspace speech adaptation  
Subspace speech adaptation may be utilized for facilitating the recognition of speech containing short utterances. Speech training data may be received in a speech model by a computer. A first...
8700403 Unified treatment of data-sparseness and data-overfitting in maximum entropy modeling  
A method of statistical modeling is provided which includes constructing a statistical model and incorporating Gaussian priors during feature selection and during parameter optimization for the...
8639510 Acoustic scoring unit implemented on a single FPGA or ASIC  
A hardware acoustic scoring unit for a speech recognition system and a method of operation thereof are provided. Rather than scoring all senones in an acoustic model used for the speech...
8635067 Model restructuring for client and server based automatic speech recognition  
Access is obtained to a large reference acoustic model for automatic speech recognition. The large reference acoustic model has L states modeled by L mixture models, and the large reference...
8600749 System and method for training adaptation-specific acoustic models for automatic speech recognition  
Disclosed herein are systems, methods, and computer-readable storage media for training adaptation-specific acoustic models. A system practicing the method receives speech and generates a full...
8504357 Related word presentation device  
A related word presentation device includes a program information storage unit that stores program information of each program; and an information dividing unit that generates, for each of the...
8484035 Modification of voice waveforms to change social signaling  
A method of altering a social signaling characteristic of a speech signal. A statistically large number of speech samples created by different speakers in different tones of voice are evaluated to...
8392190 Systems and methods for assessment of non-native spontaneous speech  
Computer-implemented systems and methods are provided for assessing non-native spontaneous speech pronunciation. Speech recognition on digitized speech is performed using a non-native acoustic...
8364487 Speech recognition system with display information  
A language processing system may determine a display form of a spoken word by analyzing the spoken form using a language model that includes dictionary entries for display forms of homonyms. The...
8352265 Hardware implemented backend search engine for a high-rate speech recognition system  
A hardware implemented backend search stage, or engine, for a speech recognition system is provided. In one embodiment, the backend search engine includes a number of pipelined stages including a...
8335332 Fully learning classification system and method for hearing aids  
A method for operating a hearing aid in a hearing aid system where the hearing aid is continuously learnable for the particular user. A sound environment classification system is provided for...
8315857 Systems and methods for audio signal analysis and modification  
Systems and methods for modification of an audio input signal are provided. In exemplary embodiments, an adaptive multiple-model optimizer is configured to generate at least one source model...
8307459 Botnet early detection using hybrid hidden markov model algorithm  
A botnet detection system is provided. A bursty feature extractor receives an Internet Relay Chat (IRC) packet value from a detection object network, and determines a bursty feature accordingly. A...
8301449 Minimum classification error training with growth transformation optimization  
Hidden Markov Model (HMM) parameters are updated using update equations based on growth transformation optimization of a minimum classification error objective function. Using the list of N-best...
8265930 System and method for recording voice data and converting voice data to a text file  
The present invention relates to recording voice data using a voice communication device connected to a communication network and converting the voice data into a text file for delivery to a text...
8234116 Calculating cost measures between HMM acoustic models  
Measurement of Kullback-Leibler Divergence (KLD) between hidden Markov models (HMM) of acoustic units utilizes an unscented transform to approximate KLD between Gaussian mixtures. Dynamic...
8160878 Piecewise-based variable-parameter Hidden Markov Models and the training thereof  
A speech recognition system uses Gaussian mixture variable-parameter hidden Markov models (VPHMMs) to recognize speech under many different conditions. Each Gaussian mixture component of the...
8140328 User intention based on N-best list of recognition hypotheses for utterances in a dialog  
Disclosed herein are systems, computer-implemented methods, and tangible computer-readable media for using alternate recognition hypotheses to improve whole-dialog understanding accuracy. The...
8140329 Method and apparatus for automatically recognizing audio data  
A method and apparatus are proposed for automatically recognizing observed audio data. An observation vector is created of audio features extracted from the observed audio data and the observed...
8086443 System and method for text tagging and segmentation using a generative/discriminative hybrid hidden markov model  
A method for sequence tagging medical patient records includes providing a labeled corpus of sentences taken from a set of medical records, initializing generative parameters θ and discriminative...
8041567 Method of speaker adaptation for a hidden markov model based voice recognition system  
Commercially available voice recognition systems are generally speaker-dependent, with the voice recognition system first being trained to the voice of the speaker before it can be used. A...
8010341 Adding prototype information into probabilistic models  
Mechanisms are disclosed for incorporating prototype information into probabilistic models for automated information processing, mining, and knowledge discovery. Examples of these models include...
7912717 Method for uncovering hidden Markov models  
The invention uses the ModelGrower program to generate possible candidates from an original or aggregated model. An isomorphic reduction program operates on the candidates to identify and exclude...
7895040 Device and method of modeling acoustic characteristics with HMM and collating the same with a voice characteristic vector sequence  
According to an embodiment, voice recognition apparatus includes units of: acoustic processing, voice interval detecting, dictionary, collating, search target selecting, storing and determining,...
7873518 Device and method for assessing a quality class of an object to be tested  
A device for assessing a quality class of an object to be tested includes a unit for detecting a test signal from the object to be tested. Furthermore, the device for assessing includes a unit for...
7725409 Gene expression programming based on Hidden Markov Models  
Computer programs (600, 700, 800, 900, 1000) and a programmed computer (1100) for automatically generating computer programs (i.e. sequences of instructions) are provided. The computer programs...
7720012 Speaker identification in the presence of packet losses  
A system, method, and apparatus for identifying a speaker of an utterance, particularly when the utterance has portions of it missing due to packet losses. Different packet loss models are applied...
7707027 Identification and rejection of meaningless input during natural language classification  
A method for identifying data that is meaningless and generating a natural language statistical model which can reject meaningless input. The method can include identifying unigrams that are...
7684988 Testing and tuning of automatic speech recognition systems using synthetic inputs generated from its acoustic models  
A system and method of testing and tuning a speech recognition system by providing pronunciations to the speech recognizer. First a text document is provided to the system and converted into a...
7650282 Word spotting score normalization  
An approach to scoring acoustically-based events, such as hypothesized instances of keywords, in a speech processing system make use of scores of individual components of the event. Data...
7627473 Hidden conditional random field models for phonetic classification and speech recognition  
A method and apparatus are provided for training and using a hidden conditional random field model for speech recognition and phonetic classification. The hidden conditional random field model...
7574411 Low memory decision tree  
Management of a low memory treelike data structure is shown. The method according to the invention comprises steps for creating a decision tree including a parent node and at least one leaf node,...
7529671 Block synchronous decoding  
A pattern recognition system and method are provided. Aspects of the invention are particularly useful in combination with multi-state Hidden Markov Models. Pattern recognition is effected by...
7523034 Adaptation of Compound Gaussian Mixture models  
Methods and arrangements for enhancing speech recognition in noisy environments, via providing at least one initial Compound Gaussian Mixture model, applying an adaptation algorithm to at least...
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...
7472063 Audio-visual feature fusion and support vector machine useful for continuous speech recognition  
A speech recognition method includes several embodiments describing application of support vector machine analysis to a mouth region. Lip position can be accurately determined and used in...
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...
7454341 Method, apparatus, and system for building a compact model for large vocabulary continuous speech recognition (LVCSR) system  
According to one aspect of the invention, a method is provided in which a mean vector set and a variance vector set of a set of N Gaussians are divided into multiple mean sub-vector sets and...
7437289 Methods and apparatus for the systematic adaptation of classification systems from sparse adaptation data  
Methods and apparatus for the rapid adaptation of classification systems using small amounts of adaptation data. Improvements in classification accuracy are attainable when conditions similar to...
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...
7424427 Systems and methods for classifying audio into broad phoneme classes  
An audio classification system classifies sounds in an audio stream as belonging to one of a relatively small number of classes. The audio classification system includes a signal analysis...
7353173 System and method for Mandarin Chinese speech recognition using an optimized phone set  
The present invention comprises a system and method for implementing a Mandarin Chinese speech recognizer with an optimized phone set, and may include a recognizer configured to compare input...
7353174 System and method for effectively implementing a Mandarin Chinese speech recognition dictionary  
The present invention comprises a system and method for effectively implementing a Mandarin Chinese speech recognition dictionary, and may include a recognizer configured to compare input speech...
7353172 System and method for cantonese speech recognition using an optimized phone set  
The present invention comprises a system and method for implementing a Cantonese speech recognizer with an optimized phone set, and may include a recognizer configured to compare input speech data...

Matches 1 - 50 out of 96 1 2 >