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Title: US6249763: Speech recognition apparatus and method
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Country: US United States of America

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27 pages

 
Inventor: Minematsu, Ayako; Yokohama, Japan

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2001-06-19 / 1998-10-13

Application Number: US1998000170589

IPC Code: Advanced: G06F 3/16; G09B 7/02; G09B 19/04; G10L 15/00; G10L 15/06; G10L 15/22; G10L 15/08;
IPC-7: G10L 15/22;

ECLA Code: G10L15/07; S10L15/08;

U.S. Class: Current: 704/252; 704/254; 704/257; 704/E15.011;
Original: 704/252; 704/257; 704/254;

Field of Search: 704/252,254,256,257,255,260

Priority Number:
1997-11-17  JP1997000315519
1998-09-08  JP1998000253449

Abstract:     A speech recognition apparatus and the method thereof for correctly recognizing an English word from a non-native English pronunciation, for example. A vector data generating part and a label generating part processes speech data of a sentence of English speech pronounced by a Japanese speaker to convert it to a label string. A candidate word generating part correlates the label string of the sentence to a first candidate word comprising one or more English words. An analogous word adding part uses a word database to search an English word analogous the pronunciation of the first candidate word, such as a analogous word "lead" for a first candidate word "read", for example, (it is difficult for a Japanese speaker to discriminate between "l" and "r" in pronunciation), and adds the obtained analogous word to the first candidate word to make it be a second candidate word. A selection part selects one of the second candidate words as a final result of recognition in response to users operation and connects the selected words into English text data for output.

Attorney, Agent or Firm: Otterstedt, Paul J. ;

Primary / Asst. Examiners: Hudspeth, David R.; Wieland, Susan

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Designated Country: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE  DE FR GB 

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First Claim:
Show all 14 claims
What is claimed is:     1. A speech recognition apparatus for recognizing words from speech data representing one or more words contained in speech, comprising:
  • candidate word correlating means for correlating each of one or more speech data items of words to one or more sets of candidates comprising a combination of one or more of said words obtained by recognizing each of one or more of said speech data items, the one or more of said words obtained by recognizing each of one or more of said speech data items being candidate words;
  • analogous word correlating means for correlating each of said candidate words correlated to each of one or more of the speech data items of said words to null or more sets of a combination of one or more of said words which may correspond to a pronunciation of each of said candidate words, the one or more of said words which may correspond to a pronunciation of each of said candidate words being analogous words; and
  • speech data recognition means for selecting either said candidate word correlated to each of one or more of said speech data items of words or said analogous word correlated to each of said candidate words as a recognition of each of said speech data items of words.


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Forward References: Show 20 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (20)   |   Backward references (8)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 13pp US3121960* 1964-02 Uttal et al.    
Get PDF - 7pp US5170432  1992-12 Hackbarth et al.  Alcatel N.V. Method of speaker adaptive speech recognition
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
Get PDF - 15pp US5455889  1995-10 Bahl et al.  International Business Machines Corporation Labelling speech using context-dependent acoustic prototypes
Get PDF - 6pp US5503560  1996-04 Stentiford  British Telecommunications Language training
Get PDF - 14pp US5682501  1997-10 Sharman  International Business Machines Corporation Speech synthesis system
Get PDF - 15pp US5766015  1998-06 Shpiro  Digispeech (Israel) Ltd. Apparatus for interactive language training
Get PDF - 25pp US5774841  1998-06 Salazar et al.  The United States of America as represented by the Adminstrator of the National Aeronautics and Space Administration Real-time reconfigurable adaptive speech recognition command and control apparatus and method
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Foreign References:
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Publication Date IPC Code Assignee   Title
  JP37007162 1962-05       
  JP60123884 1985-07       
  JP61018068 1986-01       
  JP62111278 1987-05       
  JP62299985 1987-12       
  JP03075869 1991-03       
  JP03226785 1991-10       
  JP04054956 1992-09       
  JP06012483 1994-01       
  JP06027971 1994-04       
  JP08012535 1996-02       
  JP08050493 1996-02       
  JP09022297 1997-01       


Other Abstract Info: DERABS G1999-314898

Other References:
  • J.J. Humphries et al., "Using Accent-Specific Pronunciation Modelling for Robust Speech Recognition," ICSLP '96, Philadelphia, PA, pp. 2324-2327, vol. 4, 1996.
  • U Jekosch et al., "Automatic Generation of Pronunciation Variants: Prospects for Speech Recognition and Speech Synthesis Systems," IT Informationstechnik, vol. 31, No. 6, pp. 400-406, Dec. 1989.


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