Method for detecting suicidal predisposition

Details Method for detecting suicidal predisposition Method for detecting suicidal predisposition

1990-10-18

1992-09-15

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

395 2, G10L 500

Patent

active

051484838

ABSTRACT:
A method for detecting suicidal predisposition in a person by securing an utterance from the person, identifying the person as being suicidally predisposed if the utterance decays substantially non-instantaneously upon conclusion and identifying the person as being suicidally predisposed if signal amplitude modulation during the utterance is low. Low value of amplitude modulaation (of speech envelope waveform), as well as slow decay at the end of each utterance, are indicators of emotional disturbance, special filtering of repetitives and non-repetitive components enhanced the waveform for consideration.

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Alpert, et al. "Speech and Disturbances of Affect:" 1981; pp. 359 through 367.
Andreasen, et al. "Acoustic Analysis" Mar. 1981; pp. 281 through 285.

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