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7590626 Distributional similarity-based models for query correction  
A distributional similarity between a word of a search query and a term of a candidate word sequences is used to determine an error model probability that describes the probability of the search...
7590537 Speaker clustering and adaptation method based on the HMM model variation information and its apparatus for speech recognition  
A speech recognition method and apparatus perform speaker clustering and speaker adaptation using average model variation information over speakers while analyzing the quantity variation amount and...
7565290 Speech recognition method and apparatus  
A speech recognition apparatus includes a word dictionary having recognition target words, a first acoustic model which expresses a reference pattern of a speech unit by one or more states, a...
7478045 Method and device for characterizing a signal and method and device for producing an indexed signal  
In a method for characterizing a signal representing an audio content a measure is determined for a tonality of the signal, whereupon a statement is made about the audio content of the signal on...
7475013 Speaker recognition using local models  
A system and method for voice recognition is disclosed. The system enrolls speakers using an enrollment voice samples and identification information. An extraction module characterizes enrollment...
7421305 Audio duplicate detector  
The present invention relates to a system and methodology to facilitate automatic management and pruning of audio files residing in a database. Audio fingerprinting is a powerful tool for...
7403891 Apparatus and method for recognizing biological named entity from biological literature based on UMLS  
The present invention relates to an apparatus and method for recognizing biological named entity from biological literature based on united medical language system (UMLS). The apparatus and the...
7379868 Method and apparatus for differential compression of speaker models  
A differential compression technique is disclosed for compression individual speaker models, such as Gaussian mixture models, by computing a delta model from the difference between an individual...
7369993 System and method of pattern recognition in very high-dimensional space  
A system and method of recognizing speech comprises an audio receiving element and a computer server. The audio receiving element and the computer server perform the process steps of the method....
7363222 Method for searching data in at least two databases  
A method and database system is disclosed for searching data in at least two databases (D n ), particularly for searching telephone directories or the like. To allow simultaneous access to two or...
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...
7349576 Method, device and computer program for recognition of a handwritten character  
A method for recognition of a handwritten character comprises the steps of determining a plurality of position features defining the handwritten character, and comparing the handwritten character...
7328153 Automatic identification of sound recordings  
Copies of original sound recordings are identified by extracting features from the copy, creating a vector of those features, and comparing that vector against a database of vectors. Identification...
7321853 Speech recognition apparatus and speech recognition method  
The present invention relates to a speech recognition apparatus and a speech recognition method for speech recognition with improved accuracy. A distance calculator 47 determines the distance...
7315819 Apparatus for performing speaker identification and speaker searching in speech or sound image data, and method thereof  
A process of identifying a speaker in coded speech data and a process of searching for the speaker are efficiently performed with fewer computations and with a smaller storage capacity. In an...
7315813 Method of speech segment selection for concatenative synthesis based on prosody-aligned distance measure  
A method of speech segment selection for concatenative synthesis based on prosody-aligned distance measure is disclosed. This method is based on comparison of speech segments segmented from a...
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...
7292981 Signal variation feature based confidence measure  
A method for predicting a misrecognition in a speech recognition system, is based on; the insight that variations in a speech input signal are different depending on the origin of the signal being...
7219059 Automatic pronunciation scoring for language learning  
A method and apparatus for generating a pronunciation score by receiving a user phrase intended to conform to a reference phrase and processing the user phrase in accordance with at least one of an...
7219058 System and method for processing speech recognition results  
An automatic speech recognition (ASR) system and method is provided for controlling the recognition of speech utterances generated by an end user operating a communications device. The ASR system...
7165030 Concatenative speech synthesis using a finite-state transducer  
A method for concatenative speech synthesis includes a processing stage that selects segments based on their symbolic labeling in an efficient graph-based search, which uses a finite-state...
7031917 Speech recognition apparatus using distance based acoustic models  
The present invention relates to a speech recognition apparatus and a speech recognition method for speech recognition with improved accuracy. A distance calculator 47 determines the distance...
6983245 Weighted spectral distance calculator  
A spectral distance calculator includes a calculator for performing spectral distance calculations to compare a spectrum of an an input signal in the presence of a noise signal and a reference...
6978237 Speech recognition support method and apparatus  
A speech recognition support method in a system to retrieve a map in response to a user's input speech. The user's speech is recognized and a recognition result is obtained. If the recognition...
6976019 Phonetic self-improving search engine  
The present invention relates to phonetic self-improving search engines. The search engine may include a phonetic database having a plurality of phonetic equivalent formulas stored therein, each of...
6961702 Method and device for generating an adapted reference for automatic speech recognition  
The invention relates to a method for generating an adapted reference for automatic speech recognition. In a first step, recognition is performed based on a spoken utterance and a recognition...
6907398 Compressing HMM prototypes  
A method is described for compressing the storage space required by HMM prototypes in an electronic memory. For this purpose prescribed HMM prototypes are mapped onto compressed HMM prototypes with...
6879954 Pattern matching for large vocabulary speech recognition systems  
A method is provided for improving pattern matching in a speech recognition system having a plurality of acoustic models. The improved method includes: receiving continuous speech input; generating...
6873955 Method and apparatus for recording/reproducing or producing a waveform using time position information  
Partial waveform data representative of a waveform shape variation are extracted from supplied waveform data, and the extracted partial waveform data are stored along with time position information...
6870848 Method and apparatus for call processing in response to a call request from an originating device  
A communication system includes a packet-based data network coupled to various network entities. The communications system includes a community that has a call processing system and various other...
6868378 Process for voice recognition in a noisy acoustic signal and system implementing this process  
The invention relates to a process and a system for voice recognition in a noisy signal. In a preferred embodiment, the system ( 2 ) comprises modules for detecting speech ( 30 ) and for...
6839671 Learning of dialogue states and language model of spoken information system  
In this invention dialogue states for a dialogue model are created using a training corpus of example human—human dialogues. Dialogue states are modelled at the turn level rather than at the move...
6836760 Use of semantic inference and context-free grammar with speech recognition system  
A method and apparatus to use semantic inference with speech recognition systems includes recognizing at least one spoken word, processing the spoken word using a context-free grammar, deriving an...
6836758 System and method for hybrid voice recognition  
A method and system for speech recognition combines different types of engines in order to recognize user-defined digits and control words, predefined digits and control words, and nametags....
6823304 Speech recognition apparatus and method performing speech recognition with feature parameter preceding lead voiced sound as feature parameter of lead consonant  
A lead consonant buffer stores a feature parameter preceding a lead voiced sound detected by a voiced sound detector as a feature parameter of a lead consonant. A matching processing unit performs...
6788767 Apparatus and method for providing call return service  
An apparatus and method for enabling provision of a call return service is disclosed. The apparatus utilizes a method of generating telephone numbers from voice messages. The method includes the...
6778957 Method and apparatus for handset detection  
Disclosed is a method of automated handset identification, comprising receiving a sample speech input signal from a sample handset; deriving a cepstral covariance sample matrix from said first...
6754629 System and method for automatic voice recognition using mapping  
A method and system that combines voice recognition engines and resolves differences between the results of individual voice recognition engines using a mapping function. Speaker independent voice...
6754628 Speaker recognition using cohort-specific feature transforms  
Methods and apparatus for facilitating speaker recognition, wherein, from target data that is provided relating to a target speaker and background data that is provided relating to at least one...
6754626 Creating a hierarchical tree of language models for a dialog system based on prompt and dialog context  
The invention disclosed herein concerns a method of converting speech to text using a hierarchy of contextual models. The hierarchy of contextual models can be statistically smoothed into a...
6754624 Codebook re-ordering to reduce undesired packet generation  
A method and apparatus for enhancing coding efficiency by reducing illegal or other undesirable packet generation while encoding a signal. The probability of generating illegal or other undesirable...
6741962 Speech recognition system and standard pattern preparation system as well as speech recognition method and standard pattern preparation method  
A speech recognition system for recognizing an input voice of a narrow frequency band. The speech recognition system includes: a frequency band converting unit for converting the input voice of the...
6725196 Pattern matching method and apparatus  
A method and apparatus is provided for matching a first sequence of patterns representative of a first signal with a second sequence of patterns representative of a second signal. The system uses a...
6701292 Speech recognizing apparatus  
A speech-recognizing apparatus for recognizing input speech comprises, an analysis unit for computing a characteristic vector for each of frames of the input speech, a correction-value storage unit...
6581034 Phonetic distance calculation method for similarity comparison between phonetic transcriptions of foreign words  
A phonetic distance calculation method for similarity comparison between phonetic transcriptions of foreign words. A system manager defines character element transformation patterns occurrable...
6580814 System and method for compressing biometric models  
A system and method for building compressed biometric models and performing biometric identification using such models. The use of the compressed biometric models results in a significant decrease...
6574596 Voice recognition rejection scheme  
A voice recognition rejection scheme for capturing an utterance includes the steps accepting the utterance, applying an N-best algorithm to the utterance, or rejecting the utterance. The utterance...
6490559 Memory having speech recognition support, by integrated local distance-computation/reference-vector-storage, for applications with general-purpose microprocessor systems  
The distance computation represents a central, constantly recurrent task in sample and speech recognition. It is used in speech recognition as a degree of similarity between a part of a speech...
6449595 Face synthesis system and methodology  
A system and method for synthesizing a facial image, compares a speech frame from an incoming speech signal with acoustic features stored within visually similar entries in an audio-visual codebook...
6413098 Method and device for enhancing the recognition of speech among speech-impaired individuals  
A method and a system is disclosed that provide means to enable individuals with speech, language and reading based communication disabilities, due to a temporal processing problem, to improve...
Matches 1 - 50 out of 138 1 2 3 >