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| Number | Title | Issue Date |
| 8112277 | Apparatus, method, and program for clustering phonemic models A node initializing unit generates a root node including inputted phonemic models. A candidate generating unit generates candidates of a pair of child sets by partitioning a set of phonemic models included in a node having no child node into two. A candidate deletin... | 02/07/2012 |
| 8069043 | System and method for using meta-data dependent language modeling for automatic speech recognition Disclosed are systems and methods for providing a spoken dialog system using meta-data to build language models to improve speech processing. Meta-data is generally defined as data outside received speech; for example, meta-data may be a customer profile having a na... | 11/29/2011 |
| 8065145 | Keyword outputting apparatus and method A keyword analysis device obtains word vectors represented by the documents by analyzing keywords contained in each of documents input in a designated period. A topic cluster extraction device extracts topic clusters belonging to the same topic from a plurality of d... | 11/22/2011 |
| 7987091 | Dialog control device and method, and robot device A robot can make a dialog customized for the user by first storing various pieces of information appendant to an object as values of the corresponding items of the object. A topic that is related to the topic used in the immediately preceding conversation is then se... | 07/26/2011 |
| 7949525 | Active labeling for spoken language understanding A spoken language understanding method and system are provided. The method includes classifying a set of labeled candidate utterances based on a previously trained classifier, generating classification types for each candidate utterance, receiving confidence scores ... | 05/24/2011 |
| 7937269 | Systems and methods for providing real-time classification of continuous data streams Systems and methods are provided for real-time classification of streaming data. In particular, systems and methods for real-time classification of continuous data streams implement micro-clustering methods for offline and online processing of training data to build... | 05/03/2011 |
| 7912714 | Method for segmenting communication transcripts using unsupervised and semi-supervised techniques A method is provided for forming discrete segment clusters of one or more sequential sentences from a corpus of communication transcripts of transactional communications that comprises dividing the communication transcripts of the corpus into a first set of sentence... | 03/22/2011 |
| 7813926 | Training system for a speech recognition application A training system for a speech recognition application is disclosed. In embodiments described, the training system is used to train a classification model or language model. The classification model is trained using an adaptive language model generated by an iterati... | 10/12/2010 |
| 7805300 | Apparatus and method for analysis of language model changes An apparatus, a method, and a machine-readable medium are provided for characterizing differences between two language models. A group of utterances from each of a group of time domains are examined. One of a significant word change or a significant word class chang... | 09/28/2010 |
| 7769588 | Spoken man-machine interface with speaker identification The method of operating a man-machine interface unit includes classifying at least one utterance of a speaker to be of a first type or of a second type. If the utterance is classified to be of the first type, the utterance belongs to a known speaker of a speaker dat... | 08/03/2010 |
| 7752046 | System and method for using meta-data dependent language modeling for automatic speech recognition Disclosed are systems and methods for providing a spoken dialog system using meta-data to build language models to improve speech processing. Meta-data is generally defined as data outside received speech; for example, meta-data may be a customer profile having a na... | 07/06/2010 |
| 7742918 | Active learning for spoken language understanding Disclosed is a system and method of training a spoken language understanding module. Such a module may be utilized in a spoken dialog system. The method of training a spoken language understanding module comprises training acoustic and language models using a small ... | 06/22/2010 |
| 7729911 | Speech recognition method and system A speech recognition method comprising the steps of: storing multiple recognition models for a vocabulary set, each model distinguished from the other models in response to a Lombard characteristic, detecting at least one speaker utterance in a motor vehicle, select... | 06/01/2010 |
| 7620547 | Spoken man-machine interface with speaker identification The present invention provides a method for operating and/or for controlling a man-machine interface unit (MMI) for a finite user group environment. Utterances out of a group of user are repeatedly received. A process of user identification is carried out based on s... | 11/17/2009 |
| 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 the directional variation amount. In the speaker clustering method, ... | 09/15/2009 |
| 7584100 | Method and system for clustering using generalized sentence patterns A method and system for clustering documents based on generalized sentence patterns of the topics of the documents is provided. A generalized sentence patterns (“GSP”) system identifies a “sentence” that describes the topic of a document. To cluster document... | 09/01/2009 |
| 7548856 | Systems and methods for discriminative density model selection The present invention utilizes a discriminative density model selection method to provide an optimized density model subset employable in constructing a classifier. By allowing multiple alternative density models to be considered for each class in a multi-class clas... | 06/16/2009 |
| 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 subsets. ... | 12/30/2008 |
| 7428541 | Computer system, method, and program product for generating a data structure for information retrieval, and an associated graphical user interface A computer system for generating data structures for information retrieval of documents stored in a database. The computer system includes: a neighborhood patch generation system for defining patch of nodes having predetermined similarities in a hierarchy structure.... | 09/23/2008 |
| 7412385 | System for identifying paraphrases using machine translation The present invention obtains a set of text segments from a cluster of different articles written about a common event. The set of text segments is then subjected to textual alignment techniques to identify paraphrases from the text segments in the text. The inventi... | 08/12/2008 |
| 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 speaker model and a baseline model. Further compression may be applied ... | 05/27/2008 |
| 7365577 | Noise waveform generator with spectrum control A waveform generator for generating a desired waveform is provided, including a noise kernel configured to store a plurality of samples from a predetermined waveform, the plurality of samples being assigned to a plurality of memory blocks; and an address arrangement... | 04/29/2008 |
| 7366244 | Method and system for antenna interference cancellation A wireless communication system can comprise two or more antennas that interfere with one another via free space coupling, surface wave crosstalk, dielectric leakage, or other interference effect. The interference effect can produce an interference signal on one of ... | 04/29/2008 |
| 7359550 | Incremental singular value decomposition of incomplete data A method models data values acquired by measuring a natural phenomena. Samples are acquired of the natural phenomena, each sample is arranged as a vector c of the data values. Some of the data values may be missing. The vectors c are decomposed into five matrices, r... | 04/15/2008 |
| 7359857 | Method and system of correcting spectral deformations in the voice, introduced by a communication network A technique for correcting the voice spectral deformations introduced by a communication network. Prior to the operation of equalization of the voice signal of a speaker, the constitution of classes of speakers is communicated, with one voice reference per class. Th... | 04/15/2008 |
| 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 data to phone strings from a vocabulary dictionary that is implemented ... | 04/01/2008 |
| 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 to phone strings from a vocabulary dictionary that is implemented acc... | 04/01/2008 |
| 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 speech data to phone strings from a vocabulary dictionary that is implemen... | 04/01/2008 |
| 7349477 | Audio-assisted video segmentation and summarization A method segments a compressed video by extracting audio and visual features from the compressed video. The audio features are clustered according to K-means clustering in a set of classes, and the compressed video is then partitioned into first segments according t... | 03/25/2008 |
| 7340396 | Method and apparatus for providing a speaker adapted speech recognition model set Speech feature vectors (10) are provided and utilized to develop a corresponding estimated speaker dependent speech feature space model (20) (in one embodiment, it is not necessary that this model (20) have defined correlations with the verbal c... | 03/04/2008 |
| 7337113 | Speech recognition apparatus and method If an adaptation is made taking into consideration the noise produced in a specific operating mode of a device in a case where the noise environment changes, a decline in recognition rate is expected during operation of the device in a mode for which no adaptation i... | 02/26/2008 |
| 7328154 | Bubble splitting for compact acoustic modeling An improved method is provided for constructing compact acoustic models for use in a speech recognizer. The method includes: partitioning speech data from a plurality of training speakers according to at least one speech related criteria (i.e., vocal tract length); ... | 02/05/2008 |
| 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 can be performed for copies of sound recordings that have been subje... | 02/05/2008 |
| 7328157 | Domain adaptation for TTS systems Embodiments of the present invention pertain to adaptation of a corpus-driven general-purpose TTS system to at least one specific domain. The domain adaptation is realized by adding a limited amount of domain-specific speech that provides a maximum impact on improve... | 02/05/2008 |
| 7324941 | Method and apparatus for discriminative estimation of parameters in maximum a posteriori (MAP) speaker adaptation condition and voice recognition method and apparatus including these A method and apparatus for discriminative estimation of parameters in a maximum a posteriori (MAP) speaker adaptation condition, and a voice recognition apparatus having the apparatus and a voice recognition method using the method are provided. The method for discr... | 01/29/2008 |
| 7319964 | Method and apparatus for segmenting a multi-media program based upon audio events The present invention provides for a method and apparatus for segmenting a multi-media program based upon audio events. In an embodiment a method of classifying an audio stream is provided. This method includes receiving an audio stream. Sampling the audio stream at... | 01/15/2008 |
| 7319954 | Multi-channel codebook dependent compensation Methods and apparatus, in the context of speech recognition, for compensating in the cepstral domain for the effect of an interfering signal by using a reference signal. ... | 01/15/2008 |
| 7305132 | Classification in likelihood spaces A method classifies data into multiple classes so that the data in each class have a class-conditional probability distribution. The class-conditional probability distributions of measured data are projected into a likelihood space. The projected class-conditional p... | 12/04/2007 |
| 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 retrieve a distance value for the Gaussian distribution from a ... | 11/13/2007 |
| 7292976 | Active learning process for spoken dialog systems A large amount of human labor is required to transcribe and annotate a training corpus that is needed to create and update models for automatic speech recognition (ASR) and spoken language understanding (SLU). Active learning enables a reduction in the amount of tra... | 11/06/2007 |
