Speech analyzer for analyzing frequency perturbations in a speech pattern to determine the emotional state of a person
First Claim
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1. A speech analyser for determining the emotional state of a person, said analyser comprising:
- (a) FM demodulator means for detecting a person'"'"'s speech and producing an FM demodulated signal therefrom;
(b) word detector means coupled to the output of said FM demodulator means for detecting the presence of an FM demodulated signal;
(c) null detector means coupled to the output of said FM demodulator means for detecting nulls in the FM demodulated signal and for producing an output indicative thereof;
(d) output means coupled to said word detector means and said null detector means, wherein said output means is enabled by said word detector means when said word detector means detects the presence of an FM demodulated signal and wherein said output means produces an output indicative of the presence or nonpresence of a null in the FM demodulated signal.
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Abstract
A speech analyzer is provided for determining the emotional state of a person by analyzing pitch or frequency perturbations in the speech pattern. The analyzer determines null points or "flat" spots in a FM demodulated speech signal and it produces an output indicative of the nulls. The output can be analyzed by the operator of the device to determine the emotional state of the person whose speech pattern is being monitored.
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15 Claims
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1. A speech analyser for determining the emotional state of a person, said analyser comprising:
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(a) FM demodulator means for detecting a person'"'"'s speech and producing an FM demodulated signal therefrom; (b) word detector means coupled to the output of said FM demodulator means for detecting the presence of an FM demodulated signal; (c) null detector means coupled to the output of said FM demodulator means for detecting nulls in the FM demodulated signal and for producing an output indicative thereof; (d) output means coupled to said word detector means and said null detector means, wherein said output means is enabled by said word detector means when said word detector means detects the presence of an FM demodulated signal and wherein said output means produces an output indicative of the presence or nonpresence of a null in the FM demodulated signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A speech analyser for analysing an FM demodulated speech signal said analyser comprising:
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(a) word detector means for detecting the presence of an FM demodulated signal; (b) null detector means for detecting nulls in the FM demodulated signal and for producing an output indicative thereof; and (c) output means coupled to said word detector means and said null detector means, wherein said output means is enabled by said word detector means when said word detector means detects the presence of an FM demodulated signal and wherein said output means produces an output indicative of the presence or non-presence of a null in the FM demodulated signal. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification