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

Pulse amplitude and quality01:17

Pulse amplitude and quality

Pulse amplitude is a crucial indicator of cardiac health because it provides valuable insights into the strength of left ventricular contractions and the overall uniformity of blood circulation within the vasculature. The strength of the pulse is directly related to the force with which the heart contracts and the volume of blood being pumped.
A weak or absent pulse may indicate reduced cardiac output or poor left ventricular contraction, which can be signs of cardiovascular dysfunction or...
Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
Intensity and Pressure of Sound Waves01:05

Intensity and Pressure of Sound Waves

The intensity of sound waves can be related to displacement and pressure amplitudes by using their wave expressions and the definition of intensity. The critical step to achieve this is to write the power delivered by the particles on the wave as the product of force and velocity and simplify the force per unit area as the pressure. The velocity of the medium's particles can be derived from the displacement.
Unlike the time average of a sinusoidal term, which is zero since it is positive and...
Sound Intensity Level00:53

Sound Intensity Level

Humans perceive sound by hearing. The human ear helps sound waves reach the brain, which then interprets the waves and creates the perception of hearing. The loudness of the environment in which a person is located determines whether they can distinguish between different sound sources.
The human ear can perceive an extensive range of sound intensity, necessitating the use of the logarithmic scale to define a physical quantity—the intensity level. It is a ratio of two intensities and hence a...

You might also read

Related Articles

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

Sort by
Same author

GDI2 protein: research progress and its mechanisms in diseases.

Frontiers in cell and developmental biology·2026
Same author

Safety evaluation of Tofersen in amyotrophic lateral sclerosis based on the FAERS database.

Frontiers in neurology·2026
Same author

Multi-dimensional analysis revealing the mechanism of T-2 toxin driving liver fibrosis: integration of network toxicology, machine learning, experimental verification, and molecular docking.

Chemico-biological interactions·2026
Same author

A novel AT1R-targeted near-infrared fluorescent probe enables intraoperative visualization and resection in hepatocellular carcinoma.

Bioorganic chemistry·2026
Same author

GEFmeso restricts JAK/STAT signaling to regulate border cell migration in Drosophila melanogaster.

Insect biochemistry and molecular biology·2026
Same author

Unveiling genetic loci and natural alleles for seed iron accumulation in adzuki bean via genome-wide association study​.

BMC plant biology·2026

Related Experiment Video

Updated: Jul 4, 2026

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

[Relationship between voice acoustic parameters and vocal quality].

Zhaomin Huang1, Ping Wan

  • 1Pre-education and Special Education School, Speech and Hearing Rehabilitation Research Institute, East China Normal University, Shanghai, 200062, China. tigerdrs@msn.com

Lin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi = Journal of Clinical Otorhinolaryngology Head and Neck Surgery
|June 7, 2008
PubMed
Summary

Jitter, Shimmer, and Normalized Noise Energy (NNE) significantly correlate with perceived voice quality. Combining acoustic analysis with auditory-perceptual judgment offers the most effective voice assessment.

More Related Videos

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
05:48

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Published on: August 9, 2024

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions
10:13

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions

Published on: November 25, 2017

Related Experiment Videos

Last Updated: Jul 4, 2026

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

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
05:48

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Published on: August 9, 2024

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions
10:13

Hemi-laryngeal Setup for Studying Vocal Fold Vibration in Three Dimensions

Published on: November 25, 2017

Area of Science:

  • Acoustic phonetics
  • Speech science
  • Voice analysis

Context:

  • Assessing voice quality is crucial in clinical diagnostics and speech research.
  • Objective acoustic measurement complements subjective auditory-perceptual evaluation.
  • Understanding the relationship between acoustic parameters and human perception is key.

Purpose:

  • To investigate the correlation between specific acoustic parameters and auditory-perceptual judgments of voice quality.
  • To identify which acoustic parameters effectively reflect voice quality.
  • To determine the optimal method for voice quality assessment.

Summary:

  • Thirty-six synthesized /ae/ vowel samples were analyzed using six acoustic parameters (F0, Jitter, Shimmer, NNE, Spectral tilt, Formant Flutter).
  • Eight ENT specialists provided auditory-perceptual judgments (Grades G, R, B) with high inter-rater consistency (P<0.01).
  • Spearman correlation analysis revealed significant correlations between perceived voice quality and Jitter, Shimmer, and NNE (P<0.01).

Impact:

  • Jitter, Shimmer, and NNE are identified as significant acoustic indicators of voice quality.
  • This study highlights the multidimensional nature of human voice.
  • Integrating acoustic analysis with auditory-perceptual assessment provides a comprehensive approach to voice quality evaluation.