Orthogonalized dictionary speech recognition apparatus and metho

Details Orthogonalized dictionary speech recognition apparatus and metho Orthogonalized dictionary speech recognition apparatus and metho

1989-07-12

1990-12-18

Merecki, John A.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

G10L 708

Patent

active

049792130

ABSTRACT:
Speech pattern data representing speech of a plurality of speakers are stored in a pattern storage section in advance. Averaged pattern data obtained by averaging a plurality of speech pattern data of the first of the plurality of speakers are obtained. Data obtained by blurring and differentiating the averaged pattern data are stored in an orthogonalized dictionary as basic orthogonalized dictionary data of first and second axes, respectively. Blurred data and differentiated data obtained with respect to the second and subsequent of the plurality of speakers are selectively stored in the orthogonalized dictionary as additional dictionary data having new axes. Speech of the plurality of speakers is recognized by computing a similarity between the orthogonalized dictionary formed in this manner and input speech.

REFERENCES:
patent: 4624011 (1986-11-01), Watanabe et al.
patent: 4625287 (1986-11-01), Matsuura et al.
patent: 4651289 (1987-03-01), Maeda et al.
patent: 4677672 (1987-06-01), Ukita et al.
patent: 4677673 (1987-06-01), Ukita et al.
Proceedings of ICASSP'78, M. Jalanko and T. Kohonen, An Application of the Sub-Space Method to Speech Recognition.

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