Speech analysis apparatus

Details Speech analysis apparatus Speech analysis apparatus

1981-02-23

1983-08-30

Kemeny, Emanuel S.

G10L 100

Patent

active

044018509

ABSTRACT:
Speech analysis apparatus converts sounds to electrical signals which are fed via a selectable low pass filter to extract the fundamental pitch frequency while attenuating the increase in energy with voice pitch and the influence of higher voice pitch harmonic frequencies. The pitch frequency representing signals are fed via a frequency to voltage transducer to a visual display device.

REFERENCES:
patent: 3405237 (1968-10-01), David et al.
patent: 4063035 (1977-12-01), Appelman et al.
patent: 4164626 (1979-08-01), Fette

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