Validity Report
Basic Report
US7979277B2 — Speech recognition circuit and method
Priority Date: 2004-09-14, Publication Date: 2011-07-12, Current Assignee: Zentian LtdReport Generated: 2022-05-25
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Patent Id
Score
Title
Patent Type
Publication Date
Priority Date
Search Efficiency
Original Assignee
Current Assignee
US20050159952A1●●●●●Pattern matching for large vocabulary speech recognition with packed distribution and localized trellis accessAPPLICATION2005-07-212002-04-22GreatMatsushita Electric Industrial Co LtdPanasonic Holdings Corp, Sovereign Peak Ventures LLC
EP0867859B1●●●●●Speech recognition language modelsGRANT2004-12-081997-03-28GreatL&H Holdings USA IncL&H Holdings USA Inc
EP1346343B1●●●●●SPEECH RECOGNITION USING WORD-IN-PHRASE COMMANDGRANT2008-05-142000-10-26GreatL & H Holding Usa IncL & H Holding Usa Inc
EP0867857B1●●●●●Enrolment in speech recognitionGRANT2005-03-091997-03-28GreatL&H Holdings USA IncL&H Holdings USA Inc
US6980954B1●●●●●Search method based on single triphone tree for large vocabulary continuous speech recognizerGRANT2005-12-272000-09-30GreatIntel CorpIntel Corp
EP1055226B1●●●●●SYSTEM FOR USING SILENCE IN SPEECH RECOGNITIONGRANT2017-08-161998-02-20GreatMicrosoft Technology Licensing LLCMicrosoft Technology Licensing LLC
EP1178466A2●●●●●Recognition system using lexical treesGRANT2002-02-062000-07-31GreatMatsushita Electric Industrial Co LtdPanasonic Holdings Corp
US5606644A●●●●●Minimum error rate training of combined string modelsGRANT1997-02-251993-07-22GreatLucent Technologies IncNokia of America Corp
US6839667B2●●●●●Method of speech recognition by presenting N-best word candidatesGRANT2005-01-042001-05-16GreatInternational Business Machines CorpNuance Communications Inc
EP0980063A2●●●●●Memory management in search phase of a speech recognizerGRANT2000-02-161998-08-12GreatTexas Instruments IncTexas Instruments Inc
US6442519B1●●●●●Speaker model adaptation via network of similar usersGRANT2002-08-271999-11-10GreatInternational Business Machines CorpNuance Communications Inc
US5983180A●●●●●Recognition of sequential data using finite state sequence models organized in a tree structureGRANT1999-11-091997-10-23GreatSoftSound LtdLongsand Ltd
US6374220B1●●●●●N-best search for continuous speech recognition using viterbi pruning for non-output differentiation statesGRANT2002-04-161998-08-05GreatTexas Instruments IncTexas Instruments Inc
US6405168B1●●●●●Speaker dependent speech recognition training using simplified hidden markov modeling and robust end-point detectionGRANT2002-06-111999-09-30GreatConexant Systems LLCWIAV Solutions LLC
US5719996A●●●●●Speech recognition in selective call systemsGRANT1998-02-171995-06-30GreatMotorola IncMotorola Solutions Inc
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Predictive Analytics

Composite Research Score (1-10)
7
  MODERATE
Art VolumeLOW
Tech ComplexityINTRICATE
Priority DateEARLY
Tech DiversityAVERAGE
Expert Services Estimate$3,750 — $4,200
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Possible Classes
2,854
Recommended Classes
714
Government Assigned Classes
6
CPC
Title
Score
G10L15/08Speech classification or search●●●●●
G10L15/26Speech to text systems | (ref: G10L15/08)|  takes precedence●●●●●
G10L15/04Segmentation| Word boundary detection●●●●●
G10L15/197Probabilistic grammars  e.g. word n-grams●●●●●
G10L15/1815Semantic context  e.g. disambiguation of the recognition hypotheses based on word meaning●●●●●
G10L15/065Adaptation●●●●●
G10L15/063Training●●●●●
G10L15/02Feature extraction for speech recognition| Selection of recognition unit●●●●●
G10L15/25using position of the lips  movement of the lips or face analysis●●●●●
G10L15/22Procedures used during a speech recognition process  e.g. man-machine dialogue●●●●●
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