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Title: US5664061: Interactive computer system recognizing spoken commands
[ Derwent Title ]


Country: US United States of America

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27 pages

 
Inventor: Andreshak, Joseph Charles; Mahopac, NY
Daggett, Gregg H.; Yorktown Heights, NY
Karat, John; Greenwich, CT
Lucassen, John; New York, NY
Levy, Stephen Eric; Valhalla, NY
Mack, Robert Lawrence; Yorktown Heights, NY

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 1997-09-02 / 1995-06-05

Application Number: US1995000462735

IPC Code: Advanced: G06F 3/16; G06F 15/00; G10L 15/00; G10L 15/20; G10L 15/22; G10L 15/26;
IPC-7: G10L 9/06;

ECLA Code: G06F3/16; G10L15/22; S10L15/22N2;

U.S. Class: Current: 704/275; 704/231; 704/235; 704/251; 704/270; 704/E15.04; 704/E15.044;
Original: 704/275; 704/231; 704/235; 704/251; 704/270;

Field of Search: 395/2.44,2.4,2.6,2.79,2.84

Priority Number:
1995-06-05  US1995000462735
1993-04-21  US1993000050950

Abstract:     An interactive computer system having a processor executing a target computer program, and having a speech recognizer for converting an utterance into a command signal for the target computer program. The target computer program has a series of active program states occurring over a series of time periods. At least a first active-state image is displayed for a first active state occurring during a first time period. At least one object displayed in the first active-state image is identified, and a list of one or more first active-state commands identifying functions which can be performed in the first active state of the target computer program is generated from the identified object. A first active-state vocabulary of acoustic command models for the first active state comprises the acoustic command models from a system vocabulary representing the first active-state commands. A speech recognizer measures the value of at least one feature of an utterance during each of a series of successive time intervals within the first time period to produce a series of feature signals. The measured feature signals are compared to each of the acoustic command models in the first active-state vocabulary to generate a match score for the utterance and each acoustic command model. The speech recognizer outputs a command signal corresponding to the command model from the first active-state vocabulary having the best match score.

Primary / Asst. Examiners: MacDonald, Allen R.; Collins, Alphonso A.

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Related Applications:
Application Number Filed Patent Pub. Date  Title
US1993000050950 1993-04-21       


       
Parent Case:     This application is a continuation of application Ser. No. 08/050,950 filed Apr. 21, 1993, now abandoned.

Designated Country: AT BE CH DE ES FR GB IT LI NL SE 

Family: Show 13 known family members

First Claim:
Show all 25 claims
We claim:     1. An interactive computer system comprising:
  • a processor executing a target computer program having a series of active program states occurring over a succession of time periods, said target computer program generating active state image data signals representing an active state image for an active state of the target computer program occurring during each time period, each active state image containing one or more objects;
  • means for displaying at least a first active-state image for a first active state occurring during a first time period;
  • means for identifying an object displayed in the first active-state image, and for generating from an identified object displayed in the first active-state image a list of one or more first active-state commands identifying a first active-state function which can be performed in the first active state of the target computer program;
  • means for storing a system vocabulary of acoustic command models, each acoustic command model representing one or more series of acoustic feature values representing an utterance of one or more words associated with the acoustic command model;
  • means for identifying a first active-state vocabulary of acoustic command models for the first active state, the first active-state vocabulary comprising the acoustic command models from the system vocabulary representing the first active-state commands, wherein the first active-state vocabulary changes dynamically as a function of both the identity of the target computer program and the active state image data signals which identify an active state of the target computer program; and
  • a speech recognizer for measuring a value of at least one feature of an utterance during each of a first sequence of time intervals within the first time period to produce a first series of feature signals, said speech recognizer comparing the first series of feature signals to each of the acoustic command models in the first active-state vocabulary to generate a match score for the utterance and each acoustic command model, and said speech recognizer outputting a command signal corresponding to the acoustic command model from the first active-state vocabulary having a best match score.


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Forward References: Show 66 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (66)   |   Backward references (10)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 18pp US4509133  1985-04 Monbaron et al.  Asulab S.A. Apparatus for introducing control words by speech
Get PDF - 17pp US4677569  1987-06 Nakano et al.  Casio Computer Co., Ltd. Computer controlled by voice input
Get PDF - 15pp US4704696  1987-11 Reimer et al.  Texas Instruments Incorporated Method and apparatus for voice control of a computer
Get PDF - 35pp US4759068  1988-07 Bahl et al.  International Business Machines Corporation Constructing Markov models of words from multiple utterances
Get PDF - 19pp US4776016  1988-10 Hansen  Position Orientation Systems, Inc. Voice control system
Get PDF - 25pp US4931950  1990-06 Isle et al.  Electric Power Research Institute Multimedia interface and method for computer system
Get PDF - 45pp US4980918  1990-12 Bahl et al.  International Business Machines Corporation Speech recognition system with efficient storage and rapid assembly of phonological graphs
Get PDF - 20pp US5157384  1992-10 Greanis et al.  International Business Machines Corporation Advanced user interface
Get PDF - 27pp US5182773  1993-01 Bahl et al.  International Business Machines Corporation Speaker-independent label coding apparatus
Get PDF - 15pp US5195167  1993-03 Bahl et al.  International Business Machines Corporation Apparatus and method of grouping utterances of a phoneme into context-dependent categories based on sound-similarity for automatic speech recognition
       
Foreign References:
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Publication Date IPC Code Assignee   Title
Get PDF - 6pp EP0414238A2 1990-08  G06F 3/16 GRUNDIG E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co. KG. Voice controlled archival system 


Other Abstract Info: DERABS G1994-326094

Other References:
  • Bahl, L.R., et al. "Vector Quantization Procedure For Speech Recognition Systems Using Discrete Parameter Phoneme-Based Markov Word Models." , IBM Technical Disclosure Bulletin, vol. 32, No. 7, Dec. 1989, pp. 320 and 321.
  • Jelinek, F. "Continuous Speech Recognition By Statistical Methods." Proceedings of the IEEE, vol. 64, No. 4, Apr. 1976 pp. 532-536. (25 pages) Cited by 30 patents
  • IBM Tech. Disc. Bulletin vol. 33, No. 11, Apr. 91, pp. 368-371, "Integrated Audio-Graphics User Interface".
  • C. Schmandt et al., "Augmenting a Window System with Speech Input," Computer, Apr. 1990, Z3(9):50-56. (7 pages) Cited by 46 patents
  • T.B. Martin, "One Way to Talk to Computers," IEEE Spectrum, May. 1977, pp. 35-39. (5 pages) Cited by 7 patents
  • Interstate Electronics Corp., "Voice:The Optimum Source-Data Entry Method," 1978.


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