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Class Information
Number: 704/256.4
Name: Data processing: speech signal processing, linguistics, language translation, and audio compression/decompression > Speech signal processing > Recognition > Word recognition > Specialized models > Markov > Hidden markov model (hmm) (epo) > Duration modeling in hmm, e.g., semi hmm, segmental models, transition probabilities (epo)
Description: Subject matter wherein the HMM includes a duration state model for speech recognition, e.g., semi HMM’s segmental models, and transition probabilities.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8543402 Speaker segmentation in noisy conversational speech Sep. 24, 2013
8510111 Speech recognition apparatus and method and program therefor Aug. 13, 2013
8494854 CAPTCHA using challenges optimized for distinguishing between humans and machines Jul. 23, 2013
8489399 System and method for verifying origin of input through spoken language analysis Jul. 16, 2013
8442828 Conditional model for natural language understanding May. 14, 2013
8374869 Utterance verification method and apparatus for isolated word N-best recognition result Feb. 12, 2013
8301449 Minimum classification error training with growth transformation optimization Oct. 30, 2012
8229729 Machine translation in continuous space Jul. 24, 2012
8078462 Apparatus for creating speaker model, and computer program product Dec. 13, 2011
7941317 Low latency real-time speech transcription May. 10, 2011
7930181 Low latency real-time speech transcription Apr. 19, 2011
7895040 Device and method of modeling acoustic characteristics with HMM and collating the same with a voice characteristic vector sequence Feb. 22, 2011
7856356 Speech recognition system for mobile terminal Dec. 21, 2010
7711561 Speech recognition system and technique May. 4, 2010
7672847 Discriminative training of hidden Markov models for continuous speech recognition Mar. 2, 2010
7664643 System and method for speech separation and multi-talker speech recognition Feb. 16, 2010
7587321 Method, apparatus, and system for building context dependent models for a large vocabulary continuous speech recognition (LVCSR) system Sep. 8, 2009
7454341 Method, apparatus, and system for building a compact model for large vocabulary continuous speech recognition (LVCSR) system Nov. 18, 2008
7454336 Variational inference and learning for segmental switching state space models of hidden speech dynamics Nov. 18, 2008
7437288 Speech recognition apparatus Oct. 14, 2008
7398208 Method for producing reference segments describing voice modules and method for modeling voice units of a spoken test model Jul. 8, 2008
7319960 Speech recognition method and system Jan. 15, 2008
7308030 Object activity modeling method Dec. 11, 2007
7054814 Method and apparatus of selecting segments for speech synthesis by way of speech segment recognition May. 30, 2006
7024360 System for reconstruction of symbols in a sequence Apr. 4, 2006
6629073 Speech recognition method and apparatus utilizing multi-unit models Sep. 30, 2003
6594393 Dynamic programming operation with skip mode for text line image decoding Jul. 15, 2003
6542866 Speech recognition method and apparatus utilizing multiple feature streams Apr. 1, 2003
6523005 Method and configuration for determining a descriptive feature of a speech signal Feb. 18, 2003
6499012 Method and apparatus for hierarchical training of speech models for use in speaker verification Dec. 24, 2002
6456971 Systems and methods for determinizing and minimizing a finite state transducer for pattern recognition Sep. 24, 2002
6411929 Speech recognition method and system Jun. 25, 2002
6401065 Intelligent keyboard interface with use of human language processing Jun. 4, 2002
6401064 Automatic speech recognition using segmented curves of individual speech components having arc lengths generated along space-time trajectories Jun. 4, 2002
6397181 Method and apparatus for voice annotation and retrieval of multimedia data May. 28, 2002
6377924 Method of enrolling phone-based speaker specific commands Apr. 23, 2002
6374212 System and apparatus for recognizing speech Apr. 16, 2002
6336108 Speech recognition with mixtures of bayesian networks Jan. 1, 2002
6301561 Automatic speech recognition using multi-dimensional curve-linear representations Oct. 9, 2001
6292778 Task-independent utterance verification with subword-based minimum verification error training Sep. 18, 2001
6253178 Search and rescoring method for a speech recognition system Jun. 26, 2001
6249761 Assigning and processing states and arcs of a speech recognition model in parallel processors Jun. 19, 2001
6182038 Context dependent phoneme networks for encoding speech information Jan. 30, 2001
6148284 Method and apparatus for automatic speech recognition using Markov processes on curves Nov. 14, 2000
6067517 Transcription of speech data with segments from acoustically dissimilar environments May. 23, 2000
6044343 Adaptive speech recognition with selective input data to a speech classifier Mar. 28, 2000
6026359 Scheme for model adaptation in pattern recognition based on Taylor expansion Feb. 15, 2000
5983178 Speaker clustering apparatus based on feature quantities of vocal-tract configuration and speech recognition apparatus therewith Nov. 9, 1999
5963905 Method and apparatus for improving acoustic fast match speed using a cache for phone probabilities Oct. 5, 1999
5956678 Speech recognition apparatus and method using look-ahead scoring Sep. 21, 1999

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