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Title: US6496799: End-of-utterance determination for voice processing
[ Derwent Title ]

Country: US United States of America

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11 pages

Inventor: Pickering, John Brian; Winchester, United Kingdom

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2002-12-17 / 2000-06-13

Application Number: US2000000592798

IPC Code: Advanced: G10L 15/04; G10L 15/18;
IPC-7: G01L 15/04; G01L 15/26;

ECLA Code: G10L15/04; S10L15/18S;

U.S. Class: 704/235; 704/253;

Field of Search: 704/235,251,257,249,250,260,253

Priority Number:
1999-12-22  GB1999000030731

Abstract:     A voice processing system receives spoken input from a user, which is subjected to speech recognition to convert the spoken input into a text equivalent. The semantic and/or prosodic properties of the spoken input are then analysed, and based on the results of this analysis, it is determined whether or not the user input has effectively completed. Thus for example if a semantic analysis indicates that the user is no longer saying anything useful, then the system may decide to interrupt the user and play a further prompt to him or her, clarifying what extra input is required.

Attorney, Agent or Firm: Clay, A. Bruce ;

Primary / Asst. Examiners: Dorvil, Richemond; Nolan, Daniel A.

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First Claim:
Show all 24 claims
What is claimed is:     1. A method of operating a voice processing system comprising the steps of:
  • receiving spoken input from a user;
  • performing speech recognition to convert said spoken input into text equivalent;
  • analysing at least one semantic or prosodic property of said spoken input by looking for task words in the text equivalent of the spoken input; and responsive to said analysis, determining that the user input has effectively completed if there has not been a task word for more than a predetermined period of time.

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Forward References: Show 54 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (54)   |   Backward references (7)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 18pp US4692941  1987-09 Jacks et al.  First Byte Real-time text-to-speech conversion system
Get PDF - 15pp US5396542  1995-03 Alger et al.  AT&T Corp. Method for use by a telecommunications system in enabling improved attendant services
Get PDF - 10pp US5414755  1995-05 Bahler et al.  ITT Corporation System and method for passive voice verification in a telephone network
Get PDF - 24pp US5761637  1998-06 Chino  Kabushiki Kaisha Toshiba Dialogue-sound processing apparatus and method
Get PDF - 67pp US5960395  1999-09 Tzirkel-Hancock  Canon Kabushiki Kaisha Pattern matching method, apparatus and computer readable memory medium for speech recognition using dynamic programming
Get PDF - 10pp US6175820  2001-01 Dietz  International Business Machines Corporation Capture and application of sender voice dynamics to enhance communication in a speech-to-text environment
Get PDF - 11pp US6208971  2001-03 Bellegarda et al.  Apple Computer, Inc. Method and apparatus for command recognition using data-driven semantic inference
Foreign References:
Publication Date IPC Code Assignee   Title
Buy PDF- 25pp GB2280820 1995-02  H04M 3/50 IBM Distributed system for call processing 

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