Class 704/256.8 - Discrete density, e.g., Vector Quantization preprocessor, look up tables (EPO)

Subclass of Class 704 - Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression
Definition: Subject matter wherein the HMM contains discrete probability
No. of patents: 16
Last issue date: 10/07/2008

Number	Title	Issue Date
7433820	Asynchronous Hidden Markov Model method and system A system, method and program storage device implementing a method for modeling a data generating process, wherein the modeling comprises observing a data sequence comprising irregularly sampled data, obtaining an observation sequence based on the observed data seque...	10/07/2008
7343372	Direct navigation for information retrieval A method of document retrieval is provided. The method includes assigning concept labels to documents contained in a collection according to grammar rules, receiving a query, converting the query to a query concept using the grammar rules, and mapping the query conc...	03/11/2008
7337115	Systems and methods for providing acoustic classification A speech recognition system receives an audio signal and detects various features of the audio signal. For example, the system classifies the audio signal into speech and non-speech portions, genders of speakers corresponding to the speech portions, and channel band...	02/26/2008
7266497	Automatic segmentation in speech synthesis Systems and methods for automatically segmenting speech inventories. A set of Hidden Markov Models (HMMs) are initialized using bootstrap data. The HMMs are next re-estimated and aligned to produce phone labels. The phone boundaries of the phone labels are then corr...	09/04/2007
7266496	Speech recognition system The present invention discloses a complete speech recognition system having a training button and a recognition button, and the whole system uses the application specific integrated circuit (ASIC) architecture for the design, and also uses the modular design to divi...	09/04/2007
7243095	Prose feedback in information access system A method of generating prose in response to a query includes generating a text frame from the query and processing the text frame in conjunction with grammar rules to produce a prose rendition of the query. ...	07/10/2007
7240004	Systems and methods for determining the determinizability of finite-state automata and transducers Finite-state transducers and weighted finite-state automata may not be determinizable. The twins property can be used to characterize the determinizability of such devices. For a weighted finite-state automaton or transducer, that weighted finite-state automaton or ...	07/03/2007
7209880	Systems and methods for dynamic re-configurable speech recognition Speech recognition models are dynamically re-configurable based on user information, application information, background information such as background noise and transducer information such as transducer response characteristics to provide users with alternate input...	04/24/2007
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 transducer formalism. This graph-based search uses a representation of concat...	01/16/2007
7143071	Method for changing CPU frequency under control of neural network A method for changing the CPU frequency under control of a neural network. The neural network has m basis functions and n basis points that are connected together. Using the learning capability of the neural network to deduce basis weights based on dummy environment...	11/28/2006
7136852	Case-based reasoning similarity metrics implementation using user defined functions A database system and a method for case-based reasoning are disclosed. The database system includes an exemplar object within the database configured to accept and store a plurality of exemplar cases, a target object within the database configured to accept and stor...	11/14/2006
7027987	Voice interface for a search engine A system provides search results from a voice search query. The system receives a voice search query from a user, derives one or more recognition hypotheses, each being associated with a weight, from the voice search query, and constructs a weighted boolean query us...	04/11/2006
6243679	Systems and methods for determinization and minimization a finite state transducer for speech recognition A pattern recognition system and method for optimal reduction of redundancy and size of a weighted and labeled graph presents receiving speech signals, converting the speech signals into word sequences, interpreting the word sequences in a graph where the...	06/05/2001
5526465	Methods and apparatus for verifying the originator of a sequence of operations Speaker verification is important in such applications as financial transactions which are to be carried out automatically by telephone. False acceptances of a speaker cause serious problems but so do frequent false rejections in view of the annoyance cau...	06/11/1996
5274739	Product code memory Itakura-Saito (MIS) measure for sound recognition A SOUND RECOGNITION PROCESS comprises training a sound recognition system to a shape Hidden Markov Model (HMM) from a shape codebook of shape codewords, and to a separate gain HMM from a gain codebook of gain codewords. An unknown token is assigned to the...	12/28/1993
4718087	Method and system for encoding digital speech information Method and system for encoding digital speech information to characterize spoken human speech with an optimally reduced speech data rate while retaining speech quality in the audible reproduction of the encoded digital speech information. Markov modeling ...	01/05/1988

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Class 704/256.8 - Discrete density, e.g., Vector Quantization preprocessor, look up tables (EPO)