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Title:
SPEECH RECOGNITION SYSTEM
Document Type and Number:
Japanese Patent JPH0651794
Kind Code:
A
Abstract:

PURPOSE: To obtain the speech recognition system which is improved in recognition rate by introducing a symmetrical shape by using Staggered Array DP matching and performing weighting on a Lime base.

CONSTITUTION: At the time of speech recognition by the speech recognition system using the Staggered Array DP matching, a weighting process for the direction of sequential calculation and a weighting process in a feature parameter space are added. When a speech is learnt, a neural network NN where the weight is made to correspond to the strength of coupling between units is learnt by back propagation to find the weight. A speech corresponding to a standard speech pattern which minimizes the distance D' (A, B) is regarded as a recognized speech. The symmetrical shape can be introduced although an asymmetrical shape is principal, and the recognition rate of the speech can be improved.


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Inventors:
KUNISAWA KANJI
YAMAMURA AKIRA
OMUKAI JUNKO
Application Number:
JP20161292A
Publication Date:
February 25, 1994
Filing Date:
July 28, 1992
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
G06F15/18; G06N99/00; G10L15/02; G10L15/08; G10L15/12; G10L15/16; (IPC1-7): G10L3/00; G06F15/18; G10L9/10
Domestic Patent References:
JP2009225398A2009-10-01
JP2010028265A2010-02-04
JP2004080669A2004-03-11
JP2011130271A2011-06-30
JP2016032141A2016-03-07
JP2009225398A2009-10-01
JP2010028265A2010-02-04
JP2004080669A2004-03-11
JP2011130271A2011-06-30
Attorney, Agent or Firm:
Ishida Chochichi (2 outside)



 
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