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Title: US5995931: Method for modeling and recognizing speech including word liaisons
[ Derwent Title ]


Country: US United States of America

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8 pages

 
Inventor: Bahl, Lalit Rai; Amawalk, NY
De Gennaro, Steven Vincent; Pawling, NY
deSouza, Peter Vincent; San Jose, CA
Epstein, Edward Adam; Putnam Valley, NY
Le Roux, Jean-Michel; Elmsford, NY
Lewis, Burn Lewin; Ossining, NY
Waast-Richard, Claire; Paris, France

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 1999-11-30 / 1999-02-22

Application Number: US1999000253987

IPC Code: Advanced: G10L 15/08; G10L 15/18;
IPC-7: G10L 7/08;

ECLA Code: G10L15/08; G10L15/18; S10L15/187;

U.S. Class: Current: 704/257; 704/254; 704/E15.014; 704/E15.018;
Original: 704/257; 704/254;

Field of Search: 704/244,251,252,254-257

Priority Number:
1999-02-22  US1999000253987
1996-06-12  US1996000662407

Abstract:     A system and method for recognizing spoken liaisoned words. The method and system identify each word in the vocabulary as a liaison generator and/or liaison receptor. If the word is a liaison receptor, and if the word is preceded by a liaison generator, the most probable recognition result for the word will be the liaison generated by the preceding word plus the word. Liaisons are identified on an immediately preceding word in accordance with rules in a language. A word that ends with an unpronounced consonant phoneme, when followed by a word beginning with a consonant phoneme, and ends with a pronounced phoneme, when followed by a word with a vowel-like phoneme, causes a match list for the current word to be amended with words having liaisons added at their beginnings.

Attorney, Agent or Firm: F.Chau & Associates, LLP ;

Primary / Asst. Examiners: Hudspeth, David R.; Storm, Donald L.

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Related Applications:
Application Number Filed Patent Pub. Date  Title
US1996000662407 1996-06-12    1999-02-23  Recognizing speech having word liaisons by adding a phoneme to reference word models


       
Parent Case:

CROSS REFERENCE TO RELATED APPLICATION
    This is a continuation of application Ser. No. 08/662,407 filed Jun. 12, 1996, now U.S. Pat. No. 5,875,426.

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First Claim:
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We claim:     1. A method for recognizing speech, comprising:
  • providing a vocabulary of words for recognizing speech;
  • inputting words to be recognized, including a current word to be recognized;
  • identifying liaisons by determining whether an immediately preceding word to the current word can generate a liaison, wherein a liaison generator is a word that ends with an unpronounced consonant phoneme when followed by a word beginning with a consonant phoneme, and ends with a pronounced phoneme when followed by a word with a beginning selected from the group consisting of a vowel and a vowel-like phoneme;
  • amending a match list, created from the vocabulary of words for identifying the current word, by adding words that represent a placement of liaisons at the beginning of the current word; and
  • recognizing the current word by selecting words from the match list according to a ranked match of words in the match list including the words added that represent a placement of the liaisons at the beginning of the current word.


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Forward References: Show 6 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (6)   |   Backward references (3)   |   Citation Link

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PDF
Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 27pp US4349700  1982-09 Pirz et al.  Bell Telephone Laboratories, Incorporated Continuous speech recognition 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 - 8pp US5875426  1999-02 Bahl et al.  International Business Machines Corporation Recognizing speech having word liaisons by adding a phoneme to reference word models
       
Foreign References: None

Other Abstract Info: DERABS G1999-180303 DERABS G2000-095859 DERABS G2000-095859

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