Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Perceptual Constancy01:12

Perceptual Constancy

1.5K
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
1.5K
Reaction Rate02:53

Reaction Rate

64.9K
The rate of reaction is the change in the amount of a reactant or product per unit time. Reaction rates are therefore determined by measuring the time dependence of some property that can be related to reactant or product amounts. Rates of reactions that consume or produce gaseous substances, for example, are conveniently determined by measuring changes in volume or pressure.
The mathematical representation of the change in the concentration of reactants and products, over time, is the rate...
64.9K
Related Rates01:18

Related Rates

58
When two or more physical quantities are linked by a single relationship, a change in one variable necessarily affects the others. This interdependence forms the basis of related rates analysis, which examines how different quantities change with respect to time. A classic physical example is an expanding balloon, where the size of the balloon changes continuously as air is added.For a hot air balloon, the inflated envelope is commonly idealized as a perfect sphere to simplify mathematical...
58
Measuring Reaction Rates03:09

Measuring Reaction Rates

31.0K
Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical...
31.0K
Speciation Rates01:07

Speciation Rates

22.9K
Overview
22.9K
Rate-Determining Steps03:08

Rate-Determining Steps

37.5K
Relating Reaction Mechanisms
In a multistep reaction mechanism, one of the elementary steps progresses significantly slower than the others. This slowest step is called the rate-limiting step (or rate-determining step). A reaction cannot proceed faster than its slowest step, and hence, the rate-determining step limits the overall reaction rate.
The concept of rate-determining step can be understood from the analogy of a 4-lane freeway with a short-stretch of traffic-bottleneck caused due to...
37.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Determining the Likelihood Ratio From Perceptual Attributes of Voice.

Journal of voice : official journal of the Voice Foundation·2022
Same author

Comparison of Two Perceptual Methods for the Evaluation of Vowel Perturbation Produced by Jitter.

Journal of voice : official journal of the Voice Foundation·2015
See all related articles

Related Experiment Video

Updated: Feb 11, 2026

Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

1.0K

A Perceptual Method to Rate Dysphonic Voices.

Jorge A Gurlekian1, Humberto M Torres1, Melissa Rincón Cediel2

  • 1Laboratorio de Investigaciones Sensoriales (LIS), INIGEM-CONICET-UBA, Buenos Aires, Argentina.

Journal of Voice : Official Journal of the Voice Foundation
|May 8, 2018
PubMed
Summary

A new production-matching method improved expert consensus in speech-language pathology (SLP) evaluations. This method helps SLP students quickly learn complex attribute discrimination, typically requiring years of experience.

Keywords:
Dysphonic voiceEvaluationInter-rater variabilityMatchingProduction

More Related Videos

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

893
Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.7K

Related Experiment Videos

Last Updated: Feb 11, 2026

Asthma Detection Research Based on Voice Signal Processing and Machine Learning
04:04

Asthma Detection Research Based on Voice Signal Processing and Machine Learning

Published on: July 22, 2025

1.0K
Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody
09:09

Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

Published on: September 27, 2024

893
Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform
06:31

Estimating Vestibular Perceptual Thresholds Using a Six-Degree-Of-Freedom Motion Platform

Published on: August 4, 2022

3.7K

Area of Science:

  • Speech-language pathology
  • Acoustic analysis
  • Expert evaluation methods

Background:

  • Inter-rater variability in expert evaluations can impact diagnostic accuracy.
  • Standardized methods are needed to improve the reliability of speech quality assessments.
  • Natural patient vowels (NPVs) present complex acoustic attributes that are challenging to evaluate consistently.

Purpose of the Study:

  • To introduce and validate a novel production-matching method for evaluating speech attributes.
  • To assess the method's effectiveness in reducing inter-rater variability among experts.
  • To evaluate the learning curve and performance of speech-language pathology students using the new method.

Main Methods:

  • The proposed method involves adjusting synthetic vowel attributes to match natural patient vowel (NPV) attributes.
  • Seven speech-language pathology (SLP) experts evaluated NPVs using both the new method and a standard method.
  • Sixty-five SLP students' performance was assessed using the proposed method, comparing their responses to group and expert benchmarks.

Main Results:

  • The production-matching method demonstrated reduced dispersion in expert evaluations compared to the standard method.
  • A Kappa index was utilized to measure SLP students' performance and consistency.
  • Student responses showed alignment with both their peers and experienced expert evaluations.

Conclusions:

  • The production-matching method was well-received by both SLP experts and students.
  • The method effectively improved expert consensus and reduced variability in evaluations.
  • SLP students showed potential for rapid skill acquisition in discriminating complex speech attributes, accelerating professional development.