System for continuous speech recognition through transition netw

Details System for continuous speech recognition through transition netw System for continuous speech recognition through transition netw

1987-09-28

1989-12-19

Shoop, Jr., William M.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

3645135, G10L 708

Patent

active

048888230

ABSTRACT:
Phoneme feature parameters are extracted from input digital speech signals by means of LPC analysis. Phonetic segments having phonetical meanings are obtained together with similarities to prescribed basic phonetic segments from the feature parameters to be passed through nodes of transition networks provided for each word. In passing the nodes, scores for similarity Sj of predetermined segments of the corresponding phonetic segments are made in selective scoring and the accumulation of the scores is used for recognition of continuous word speech.

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J.E.E. Journal of Electronic Engineering, vol. 22, No. 221, Jun. 1985, pp. 38-42, Tokyo, JP; K. Niyada: "A System that Breaks Words into Parts Provides Speaker-Independent Recognition".
Japan Telecommunications Review, vol. 24, No. 3, Jul. 1982, pp. 267-274, Tokyo, JP; N. Ishii et al.: "Speaker-Independent Speech Recognition Unit Development for Telephone Line Use", *Paragraph 3; FIG. 1*.
Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition, Washington, D.C., 19th-23rd Jun. 1983, pp. 83-88, IEEE; R. De Mori et al.: "A Network for the Recognition of a Large Spoken Vocabulary", *Para. 2,3; FIG. 1*.
"Trends in Speech Recognition"; Edited by W. A. Lea, 1980 (Speech Science Publications), Chapter 15, The Harpy Speech Understanding System.

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