IP Library › Granted Patent US 12,488,805
Granted Patent B2
US 12,488,805 · App. 18/105,848 · Granted Dec 2, 2025

Using optimal articulatory event-types for computer analysis of speech

Inventors: Raziel Haimi-Cohen (Springfield, NJ); Ilan D. Shallom (Gedera, IL)
Assignee: Cordio Medical Ltd.
G10L25/66G10L15/22G10L15/30
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Quick Facts
Patent No.
US 12,488,805
App. No.
18/105,848
Granted
Dec 2, 2025
Kind
B2
Abstract

A method includes obtaining, by a processor, a score quantifying an estimated degree to which an instance of an articulatory event-type indicates a state, with respect to a disease, in which the instance was produced. The method further includes, using the score, facilitating, by the processor, a computer-implemented procedure for evaluating the state of a subject based on a test utterance produced by the subject. Other embodiments are also described.

Claims (54)

1 . A method, comprising:

obtaining, by a processor, a discrimination-effectiveness score quantifying an estimated degree to which any instance of an articulatory event-type indicates a state, with respect to a disease, in which the instance was produced;

in response to the score, selecting content to be uttered; and

computing the state of a subject, by the processor, based on a test utterance produced by the subject and including the selected content.

2 . The method according to claim 1 , wherein selecting the content comprises:

computing respective total scores for a plurality of texts, by, for each of the texts:

computing a total-score component as a function of the score for the articulatory event-type and a frequency with which the articulatory event-type is represented in the text, and

computing the total score for the text from the total-score component; and

selecting one of the texts as the content in response to the total scores.

3 . The method according to claim 2 , further comprising computing respective estimated durations of respective utterances of the texts, wherein selecting the one of the texts comprises selecting the one of the texts in response to the estimated durations.

4 . A method, comprising:

obtaining, by a processor, a source-language score quantifying an estimated degree to which any instance of a source-language articulatory event-type in a source language indicates a state, with respect to a disease, in which the instance was produced;

ascertaining that the source-language articulatory event-type is more similar to a target-language articulatory event-type in a target language different from the source language, relative to other source-language articulatory event-types in the source language;

in response to ascertaining that the source-language articulatory event-type is more similar to the target-language articulatory event-type, computing a target-language score for the target-language articulatory event-type from the source-language score; and

storing or communicating the target-language score for subsequent use in a computer-implemented procedure for evaluating the state of a subject based on a test utterance produced by the subject and including the target-language articulatory event-type.

5 . A method, comprising:

obtaining, by a processor, a discrimination-effectiveness score quantifying an estimated degree to which an instance of an articulatory event-type included in a test utterance produced by a subject indicates a state of the subject with respect to a disease;

modifying the test utterance by duplicating the instance of the articulatory event-type by a number of times that is a function of the score; and

computing the state of the subject, by the processor, based on the modified test utterance.

6 . A method, comprising:

obtaining, by a processor, a discrimination-effectiveness score quantifying an estimated degree to which an instance of an articulatory event-type included in a test utterance produced by a subject indicates a state of the subject with respect to a disease; and

by inputting the test utterance and the score to a neural-network discriminator, computing a value indicative of the state of the subject based on the test instance of the articulatory event-type and on the score.

7 . A computer software product comprising a tangible non-transitory computer-readable medium in which program instructions are stored, which instructions, when read by a processor, cause the processor to:

obtain a discrimination-effectiveness score quantifying an estimated degree to which any instance of an articulatory event-type indicates a state, with respect to a disease, in which the instance was produced,

in response to the score, select content to be uttered, and

compute the state of a subject based on a test utterance produced by the subject and including the selected content.

8 . The computer software product according to claim 7 , wherein the instructions cause the processor to select the content by:

computing respective total scores for a plurality of texts, by, for each of the texts:

computing a total-score component as a function of the score for the articulatory event-type and a frequency with which the articulatory event-type is represented in the text, and

computing the total score for the text from the total-score component, and selecting one of the texts as the content in response to the total scores.

9 . The computer software product according to claim 8 ,

wherein the instructions further cause the processor to compute respective estimated durations of respective utterances of the texts, and wherein the instructions cause the processor to select the one of the texts in response to the estimated durations.

10 . A computer software product comprising a tangible non-transitory computer-readable medium in which program instructions are stored, which instructions, when read by a processor, cause the processor to:

obtain a source-language score quantifying an estimated degree to which any instance of a source-language articulatory event-type in a source language indicates a state, with respect to a disease, in which the instance was produced;

ascertain that the source-language articulatory event-type is more similar to a target-language articulatory event-type in a target language different from the source language, relative to other source-language articulatory event-types in the source language,

in response to ascertaining that the source-language articulatory event-type is more similar to the target-language articulatory event-type, compute a target-language score for the target-language articulatory event-type from the source-language score, and

store or communicate the target-language score for subsequent use in a computer-implemented procedure for evaluating the state of a subject based on a test utterance produced by the subject and including the target-language articulatory event-type.

11 . A computer software product comprising a tangible non-transitory computer-readable medium in which program instructions are stored, which instructions, when read by a processor, cause the processor to:

obtain a discrimination-effectiveness score quantifying an estimated degree to which an instance of an articulatory event-type included in a test utterance produced by a subject indicates a state of the subject with respect to a disease,

modify the test utterance by duplicating the instance of the articulatory event-type by a number of times that is a function of the score, and

compute the state of the subject based on the modified test utterance.

12 . A computer software product comprising a tangible non-transitory computer-readable medium in which program instructions are stored, which instructions, when read by a processor, cause the processor to:

obtain a discrimination-effectiveness score quantifying an estimated degree to which an instance of an articulatory event-type included in a test utterance produced by a subject indicates a state of the subject with respect to a disease, and

by inputting the test utterance and the score to a neural-network discriminator, computing a value indicative of the state of the subject based on the instance of the articulatory event-type and on the score.

13 . A method, comprising:

mapping, by a processor, a test speech sample, which was produced by a subject, to a reference selected from the group of references consisting of: a speech model, and a reference speech sample;

based on the mapping, calculating, by the processor, a distance between the test speech sample and the reference such that greater weight is given to one or more speech units known to be more indicative than other speech units with respect to a particular physiological condition; and

based on the distance, outputting an indication of a state of the subject with respect to the physiological condition.

14 . The method according to claim 13 , wherein calculating the distance between the test speech sample and the reference comprises:

calculating an unadjusted distance between an instance of one of the speech units included in the test speech sample and a representation of the speech unit included in the reference;

calculating an adjusted distance between the instance and the representation, by adjusting the unadjusted distance based on a discrimination-effectiveness score quantifying an estimated degree to which the instance indicates the state of the subject; and

calculating the distance between the test speech sample and the reference based on the adjusted distance.

15 . The method according to claim 14 , wherein calculating the adjusted distance comprises calculating the adjusted distance as ϕ(d,z), where d is the unadjusted distance, z is the score, and ϕ is a function that is wide-sense monotonic in both d and z.

16 . The method according to claim 15 , wherein ϕ(d,z)=d*z.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 6, 2023
From: HAIMI-COHEN, RAZIEL; SHALLOM, ILAN D.
To: CORDIO MEDICAL LTD.
Reel/Frame 062593/0946 →
Continuity (3)
Continuation In Part 17233487 · Apr 18, 2021
Continuation 16299178 · Mar 12, 2019
Related Publication 20230178099A1 · Jun 8, 2023
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