CA2275774A1 - Selection of superwords based on criteria relevant to both speech recognition and understanding - Google Patents

Selection of superwords based on criteria relevant to both speech recognition and understanding Download PDF

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Publication number
CA2275774A1
CA2275774A1 CA002275774A CA2275774A CA2275774A1 CA 2275774 A1 CA2275774 A1 CA 2275774A1 CA 002275774 A CA002275774 A CA 002275774A CA 2275774 A CA2275774 A CA 2275774A CA 2275774 A1 CA2275774 A1 CA 2275774A1
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CA
Canada
Prior art keywords
superwords
understanding
selection
speech recognition
criteria relevant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002275774A
Other languages
French (fr)
Other versions
CA2275774C (en
Inventor
Allen Louis Gorin
Giuseppe Riccardi
Jeremy Huntley Wright
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
At&T Corp.
Allen Louis Gorin
Giuseppe Riccardi
Jeremy Huntley Wright
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by At&T Corp., Allen Louis Gorin, Giuseppe Riccardi, Jeremy Huntley Wright filed Critical At&T Corp.
Publication of CA2275774A1 publication Critical patent/CA2275774A1/en
Application granted granted Critical
Publication of CA2275774C publication Critical patent/CA2275774C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/18—Speech classification or search using natural language modelling
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/08—Speech classification or search
    • G10L15/18—Speech classification or search using natural language modelling
    • G10L15/183—Speech classification or search using natural language modelling using context dependencies, e.g. language models
    • G10L15/19—Grammatical context, e.g. disambiguation of the recognition hypotheses based on word sequence rules
    • G10L15/197—Probabilistic grammars, e.g. word n-grams

Abstract

This invention is directed to the selection of superwords based on a criterion relevant to speech recognition and understanding. Superwords are used to refer to those word combinations which are so often spoken that they are recognized as units or should have models to reflect them in the language model. The selected superwords are placed in a lexicon along with selected meaningful phrases. The lexicon is then used by a speech recognizer to improve recognition of input speech utterances for the proper routing of a user's task objectives.
CA002275774A 1997-10-29 1998-10-23 Selection of superwords based on criteria relevant to both speech recognition and understanding Expired - Lifetime CA2275774C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/960,289 US6044337A (en) 1997-10-29 1997-10-29 Selection of superwords based on criteria relevant to both speech recognition and understanding
US08/960,289 1997-10-29
PCT/US1998/022399 WO1999022363A1 (en) 1997-10-29 1998-10-23 Selection of superwords based on criteria relevant to both speech recognition and understanding

Publications (2)

Publication Number Publication Date
CA2275774A1 true CA2275774A1 (en) 1999-05-06
CA2275774C CA2275774C (en) 2003-09-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002275774A Expired - Lifetime CA2275774C (en) 1997-10-29 1998-10-23 Selection of superwords based on criteria relevant to both speech recognition and understanding

Country Status (5)

Country Link
US (1) US6044337A (en)
EP (1) EP0950240B1 (en)
CA (1) CA2275774C (en)
DE (1) DE69823644T2 (en)
WO (1) WO1999022363A1 (en)

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US7392185B2 (en) 1999-11-12 2008-06-24 Phoenix Solutions, Inc. Speech based learning/training system using semantic decoding
US7725307B2 (en) 1999-11-12 2010-05-25 Phoenix Solutions, Inc. Query engine for processing voice based queries including semantic decoding
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US6606597B1 (en) * 2000-09-08 2003-08-12 Microsoft Corporation Augmented-word language model
JP4517260B2 (en) * 2000-09-11 2010-08-04 日本電気株式会社 Automatic interpretation system, automatic interpretation method, and storage medium recording automatic interpretation program
US6941266B1 (en) * 2000-11-15 2005-09-06 At&T Corp. Method and system for predicting problematic dialog situations in a task classification system
US6751591B1 (en) 2001-01-22 2004-06-15 At&T Corp. Method and system for predicting understanding errors in a task classification system
US7574362B2 (en) * 2001-03-14 2009-08-11 At&T Intellectual Property Ii, L.P. Method for automated sentence planning in a task classification system
US7729918B2 (en) * 2001-03-14 2010-06-01 At&T Intellectual Property Ii, Lp Trainable sentence planning system
WO2002073449A1 (en) * 2001-03-14 2002-09-19 At & T Corp. Automated sentence planning in a task classification system
US7058575B2 (en) * 2001-06-27 2006-06-06 Intel Corporation Integrating keyword spotting with graph decoder to improve the robustness of speech recognition
EP1497751A4 (en) * 2002-04-05 2009-10-21 At & T Corp Method and system for detecting and extracting named entities from spontaneous communications
US20030115062A1 (en) * 2002-10-29 2003-06-19 Walker Marilyn A. Method for automated sentence planning
US20040193557A1 (en) * 2003-03-25 2004-09-30 Olsen Jesse Dale Systems and methods for reducing ambiguity of communications
US7925506B2 (en) * 2004-10-05 2011-04-12 Inago Corporation Speech recognition accuracy via concept to keyword mapping
US8478589B2 (en) 2005-01-05 2013-07-02 At&T Intellectual Property Ii, L.P. Library of existing spoken dialog data for use in generating new natural language spoken dialog systems
US8185399B2 (en) 2005-01-05 2012-05-22 At&T Intellectual Property Ii, L.P. System and method of providing an automated data-collection in spoken dialog systems
US7912707B2 (en) * 2006-12-19 2011-03-22 Microsoft Corporation Adapting a language model to accommodate inputs not found in a directory assistance listing
US7912503B2 (en) * 2007-07-16 2011-03-22 Microsoft Corporation Smart interface system for mobile communications devices
US8165633B2 (en) * 2007-07-16 2012-04-24 Microsoft Corporation Passive interface and software configuration for portable devices
US20110184736A1 (en) * 2010-01-26 2011-07-28 Benjamin Slotznick Automated method of recognizing inputted information items and selecting information items
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Also Published As

Publication number Publication date
DE69823644T2 (en) 2005-04-28
CA2275774C (en) 2003-09-30
EP0950240B1 (en) 2004-05-06
US6044337A (en) 2000-03-28
DE69823644D1 (en) 2004-06-09
WO1999022363A1 (en) 1999-05-06
EP0950240A1 (en) 1999-10-20

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