Acoustic method and apparatus for identifying human sonic source

Details Acoustic method and apparatus for identifying human sonic source Acoustic method and apparatus for identifying human sonic source

1993-02-26

1994-05-17

Knepper, David D.

G10L 506

Patent

active

053135563

ABSTRACT:
The identity of an individual (known or unknown) is determined by a sonic profile of sounds issued through his oral-nasal passages. The sounds are converted to digital electrical signals and produce a three domain format of frequency, amplitude and time samples to produce an array of peaks and valleys constituting the sonic profile of an individual. A source or library of a sonic profiles in the same format of a known individual have the interrelationship including relative positions of said peaks and valleys of said sonic profile of the known individual with that of said unknown individual compared and a utilization signal is provided upon a detecting or non-detecting a correlation between said sonic profiles.

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patent: 4827518 (1989-05-01), Feustel et al.
patent: 4833713 (1989-05-01), Muroi et al.
patent: 4837804 (1989-06-01), Akita

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