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Title: US6041300: System and method of using pre-enrolled speech sub-units for efficient speech synthesis
[ Derwent Title ]

Country: US United States of America

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9 pages

Inventor: Ittycheriah, Abraham Poovakunnel; Danbury, CT
Maes, Stephane Herman; Danbury, CT

Assignee: International Business Machines Corporation, Armonk, NY
other patents from INTERNATIONAL BUSINESS MACHINES CORPORATION (280070) (approx. 44,393)
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Published / Filed: 2000-03-21 / 1997-03-21

Application Number: US1997000821520

IPC Code: Advanced: G10L 15/22; H04M 1/27;
IPC-7: G10L 5/04;

ECLA Code: G10L15/22; H04M1/27A;

U.S. Class: Current: 704/255; 379/088.03; 455/563; 704/266; 704/270; 704/E15.04;
Original: 704/255; 704/266; 704/270; 379/088.03; 455/563;

Field of Search: 704/255,256,258,266,270

Priority Number:
1997-03-21  US1997000821520

Abstract:     A speech recognition system is disclosed useful in, for example, hands-free voice telephone dialing applications. The system will match a spoken word (token) to one previously enrolled in the system. The system will thereafter synthesize or replay the recognized word so that the speaker can confirm that the recognized word is indeed the correct word before further action is taken. In the case of voice activated dialing, this avoids wrong numbers. The token itself is not explicitly recorded; rather, only the lefemes may be recorded from which the token can be reconstructed for playback. This greatly reduces the amount of disk space that is needed for the database as well as provides the ability to reconstruction data in real time for synthesis use by a local name recognition machine.

Attorney, Agent or Firm: Whitham, Curtis & Whitham ; Otterstedt, Paul J. ;

Primary / Asst. Examiners: Tkacs, Stephen R.; Sofocleous, M. David

Maintenance Status: E2 Expired  Check current status

INPADOC Legal Status: Show legal status actions

Family: None

First Claim:
Show all 14 claims
We claim:     1. A speech recognition system, comprising:
  • speech receiving means for receiving a spoken token from a speaker;
  • storage means for storing instances of a plurality of lefemes corresponding to a plurality of tokens, said lefemes comprising portions of phones in a given context;
  • means for matching said spoken token to ones of said plurality lefemes stored in said storage means; and
  • means for concatenating said ones of said plurality of lefemes to synthesize a recognized token in the speaker's voice.

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Forward References: Show 26 U.S. patent(s) that reference this one

U.S. References: Go to Result Set: All U.S. references   |  Forward references (26)   |   Backward references (10)   |   Citation Link

Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 13pp USH1646  1997-05 Kato et al.   Speech recognition adapter for telephone system
Get PDF - 14pp US4707858  1987-11 Fette  Motorola, Inc. Utilizing word-to-digital conversion
Get PDF - 23pp US4882759  1989-11 Bahl et al.  International Business Machines Corporation Synthesizing word baseforms used in speech recognition
Get PDF - 41pp US4928302  1990-05 Kaneuchi et al.  Ricoh Company, Ltd. Voice actuated dialing apparatus
Get PDF - 7pp US5165095  1992-11 Borcherding  Texas Instruments Incorporated Voice telephone dialing
Get PDF - 29pp US5390278  1995-02 Gupta et al.  Bell Canada Phoneme based speech recognition
Get PDF - 15pp US5463715  1995-10 Gagnon  Innovation Technologies Method and apparatus for speech generation from phonetic codes
Get PDF - 6pp US5696879  1997-12 Cline et al.  International Business Machines Corporation Method and apparatus for improved voice transmission
Get PDF - 15pp US5719921  1998-02 Vyotsky et al.  NYNEX Science & Technology Methods and apparatus for activating telephone services in response to speech
Get PDF - 14pp US5970453  1999-10 Sharman  International Business Machines Corporation Method and system for synthesizing speech
Foreign References:
Publication Date IPC Code Assignee   Title
  GB0051570 1991-05       

Other References:
  • Parsons. Voice and Speech Processing. McGraw-Hill, Inc. New York. p. 94, 1987.
  • Holmes, J.N. Speech Synthesis and Recognition. Chapman & Hall. pp. 4, 136-137, 1988.
  • Rabiner et al. Fundamentals of Speech Recognition. pp. 458-475, 1993.

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