Speech recognition method and device

Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system

Patent

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381 34, G10L 100

Patent

active

044265514

ABSTRACT:
Speech sound recognition is made using a reduced number of speech parameter elements, e.g., five correlation coefficients rather than sixteen spectral coefficients. The five correlation coefficients are derived from comparison of the spectral coefficients of unknown or standard sounds against the spectral coefficients of five highly-separable vowel-like sounds. Then, unknown-sound correlation coefficients are compared with standard-sound coefficients for recognition.

REFERENCES:
patent: 4060694 (1977-11-01), Suzuki et al.
patent: 4292470 (1979-09-01), An

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