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US Patent 7295979 - Language context dependent data labeling

US Patent Issued on November 13, 2007
Estimated Patent Expiration Date: Icon_subject February 22, 2021Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

Bootstrapping of a system from one language to another often works well when the two languages share the similar acoustic space. However, when the new language has sounds that do not occur in the language from which the bootstrapping is to be done, bootstrapping does not produce good initial models and the new language data is not properly aligned to these models. The present invention provides techniques to generate context dependent labeling of the new language data using the recognition system of another language. Then, this labeled data is used to generate models for the new language phones.

Other References

  • MA Chi Yuen et al., “Using English Phoneme Models for Chinese Speech Recognition,” ISCSLP, pp. 80-82, Dec. 1998.
  • T. Schultz et al., “Adaptation of Pronunciation Dictionaries for Recognition of Unseen Languages,” Speech and Communication, St. Petersburg, Russia, Oct. 1998.
  • B. Wheatley et al., “An Evaluation of Cross-language Adaptation For Rapid HMM Development in a New Language,” Proc. ICASSP, pp. 237-240, Adelaide, 1994.
  • T. Schultz et al., “Language Independent and Language Adaptive Large Vocabulary Speech Recognition,” Proc. ICSLP-98, Sydney, 1998.
  • T.A. Faruquie et al., “Translingual Visual Speech Synthesis,” IEEE International Conference on Multimedia and Expo (ICME 2000), pp. 1089-1092, New York, USA, Jul. 30-Aug. 2, 2000.
  • O. Anderson et al., “On the Use of Data-Driven Clustering Techniques for Identification of Poly- and Mono-Phonemes for Four European Languages,” ICASSP, pp. I/121-I/124, 1994.
  • J. Köhler, “Multi-Lingual Phoneme Recognition Exploiting Acoustic-Phonetic Similarities of Sounds,” ICSLP, pp. 2195-2198, 1996.
  • Reichert et al, “Mandarin Large Vocabulary Speech Recognition Using the Globalphone Database”, Eurospeech 99 , 1999, pp. 815-818.
  • Mukherjee et al, “On Deriving a Phoneme Model for a New Language,” Proceedings: IEEE International Conference on Spoken Language Processing (ICSLP 2000), Beijing, China, Oct. 16-20, 2000.
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Inventors

Assignee

Application

No. 09790296 filed on 02/22/2001

US Classes:

704/243, Creating patterns for matching704/254, Subportions704/255, Specialized models704/277, Translation704/244, Update patterns704/9, Natural language704/256.2, Training of HMM (EPO)704/256, Markov704/238, Distance704/220Analysis by synthesis

Field of Search

704/1, LINGUISTICS704/2, Translation machine704/8, Multilingual or national language support704/9, Natural language704/256.5, Hidden Markov (HM) network (EPO)704/256.6, State emission probability (EPO)704/256.7, Continuous density, e.g, Gaussian distribution, Lapalce (EPO)704/256.2, Training of HMM (EPO)704/256, Markov704/257, Natural language704/256.8, Discrete density, e.g., Vector Quantization preprocessor, look up tables (EPO)704/256.3, With insufficient amount of training data, e.g., state sharing, tying, deleted interpolation (EPO)704/256.4, Duration modeling in HMM, e.g., semi HMM, segmental models, transition probabilities (EPO)704/256.1, Hidden Markov Model (HMM) (EPO)704/245, Clustering704/243, Creating patterns for matching704/244, Update patterns704/254, Subportions704/255, Specialized models704/277Translation

Examiners

Primary: Edouard, Patrick N.
Assistant: Wozniak, James S.

Attorney, Agent or Firm

US Patent References

5477451, Method and system for natural language translation
Issued on: 12/19/1995
Inventor: Brown, et al.5579436, Recognition unit model training based on competing word and word string models
Issued on: 11/26/1996
Inventor: Chou, et al.6085160, Language independent speech recognition
Issued on: 07/04/2000
Inventor: D'hoore, et al.6092044, Pronunciation generation in speech recognition
Issued on: 07/18/2000
Inventor: Baker, et al.6212500, Process for the multilingual use of a hidden markov sound model in a speech recognition system
Issued on: 04/03/2001
Inventor: Kohler6324510, Method and apparatus of hierarchically organizing an acoustic model for speech recognition and adaptation of the model to unseen domains
Issued on: 11/27/2001
Inventor: Waibel, et al.6581034, Phonetic distance calculation method for similarity comparison between phonetic transcriptions of foreign words
Issued on: 06/17/2003
Inventor: Choi, et al.6912499Method and apparatus for training a multilingual speech model set
Issued on: 06/28/2005
Inventor: Sabourin, et al.

International Classes

G10L 15/06
G10L 15/00

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