Electrical audio signal processing systems and devices – One-way audio signal program distribution – Public address system
Patent
1980-11-19
1984-01-17
Kemeny, Emanuel S.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Public address system
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
Hataoka Nobuo
Ichikawa Akira
Kitazume Yoshiaki
Komatsu Akio
Umemura Kazuhiro
Hitachi , Ltd.
Kemeny Emanuel S.
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