Speech signal processing for determining psychological or physiological characteristics using a knowledge base
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United States of America Patent
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Dec 21, 1999
Grant Date -
N/A
app pub date -
Mar 19, 1997
filing date -
Mar 19, 1997
priority date (Note) -
Expired
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Abstract
A speech-based system for assessing the psychological, physiological, or other characteristics of a test subject is described. The system includes a knowledge base that stores one or more speech models, where each speech model corresponds to a characteristic of a group of reference subjects. Signal processing circuitry, which may be implemented in hardware, software and/or firmware, compares the test speech parameters of a test subject with the speech models. In one embodiment, each speech model is represented by a statistical time-ordered series of frequency representations of the speech of the reference subjects. The speech model is independent of a priori knowledge of style parameters associated with the voice or speech. The system includes speech parameterization circuitry for generating the test parameters in response to the test subject's speech. This circuitry includes speech acquisition circuitry, which may be located remotely from the knowledge base. The system further includes output circuitry for outputting at least one indicator of a characteristic in response to the comparison performed by the signal processing circuitry. The characteristic may be time-varying, in which case the output circuitry outputs the characteristic in a time-varying manner. The output circuitry also may output a ranking of each output characteristic. In one embodiment, one or more characteristics may indicate the degree of sincerity of the test subject, where the degree of sincerity may vary with time. The system may also be employed to determine the effectiveness of treatment for a psychological or physiological disorder by comparing psychological or physiological characteristics, respectively, before and after treatment.
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- 15 United States
- 10 France
- 8 Japan
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Patent Owner(s)
- DENDRITE, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Alexeev, Vladimir | Moscow, RU | 1 | 119 |
Baker, George | Los Alamos, NM | 11 | 213 |
Bogdashevsky, Rostislav | Moscow, RU | 1 | 119 |
Stanton, Harrison | Henderson, NV | 1 | 119 |
Yarigin, Vitaly | Moscow, RU | 1 | 119 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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