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

Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

1.3K
The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...
1.3K
Perception of Sound Waves01:01

Perception of Sound Waves

6.0K
The human ear is not equally sensitive to all frequencies in the audible range. It may perceive sound waves with the same pressure but different frequencies as having different loudness. Moreover, the perception of sound waves depends on the health of an individual's ears, which decays with age. The health of one's ears may also be affected by regular exposure to loud noises.
The pitch of a sound depends on the frequency and the pressure amplitude of the source. Two sounds of the same...
6.0K
Intensity and Pressure of Sound Waves01:05

Intensity and Pressure of Sound Waves

1.9K
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...
1.9K
Auditory Perception01:17

Auditory Perception

1.5K
The auditory system is essential for sound perception, utilizing various critical structures. When sound waves enter the outer ear, they travel through the ear canal and cause the eardrum to vibrate. These vibrations are then transmitted to the middle ear, where three tiny bones – the malleus, incus, and stapes – amplify the sound. This amplification is crucial, as it ensures that the sound vibrations are strong enough to be conveyed to the inner ear. These vibrations then reach the...
1.5K
Sound as Pressure Waves01:17

Sound as Pressure Waves

4.8K
Sound waves, which are longitudinal waves, can be modeled as the displacement amplitude varying as a function of the spatial and temporal coordinates. As a column of the medium is displaced, its successive columns are also displaced. As the successive displacements differ relatively, a pressure difference with the surrounding pressure is created. The gauge pressure varies across the medium.
The pressure fluctuation depends on the difference in displacements between the successive points in the...
4.8K
Echo01:06

Echo

1.1K
The human ear cannot distinguish between two sources of sound if they happen to reach within a specific time interval, typically 0.1 seconds apart. More than this, and they are perceived as separate sources.
Imagine the sound is reflected back to the ears. Assuming that the source is very close to the human, the difference between hearing the two sounds—the emitted sound and the reflected sound—may be more than the minimum time for perceiving distinct sounds. If this is the case,...
1.1K

You might also read

Related Articles

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

Sort by
Same author

Older adults show overexaggerated and larger noise-related degradation in their neural tracking of speech.

bioRxiv : the preprint server for biology·2026
Same author

Perceptual consistency in phoneme categorization is driven by neural consistency and predicts improved speech-in-noise performance.

bioRxiv : the preprint server for biology·2026
Same author

Correction: A Structural Equation Approach to Characterizing Growth and Nonlinearity Underlying Distortion Product Otoacoustic Emissions.

Journal of the Association for Research in Otolaryngology : JARO·2026
Same author

Testing differential effects of periodicity and predictability in auditory rhythmic cueing of concurrent speech.

Frontiers in human neuroscience·2026
Same author

A Structural Equation Approach to Characterizing Growth and Nonlinearity Underlying Distortion Product Otoacoustic Emissions.

Journal of the Association for Research in Otolaryngology : JARO·2026
Same author

A Comparison of Four Selected Acoustic Measures in Detecting Voice Quality Changes With Botulinum Toxin Treatment in Adductor-Type Laryngeal Dystonia.

American journal of speech-language pathology·2026

Related Experiment Video

Updated: Mar 30, 2026

A Method to Study Adaptation to Left-Right Reversed Audition
07:14

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

7.0K

PsyAcoustX: A flexible MATLAB(®) package for psychoacoustics research.

Gavin M Bidelman1, Skyler G Jennings2, Elizabeth A Strickland3

  • 1Institute for Intelligent Systems, University of Memphis, Memphis TN, USA ; School of Communication Sciences and Disorders, University of Memphis, Memphis TN, USA.

Frontiers in Psychology
|November 4, 2015
PubMed
Summary

PsyAcoustX is a free MATLAB software suite for precise auditory stimulus delivery and response recording in psychoacoustics research. It enables rapid adaptive threshold measurements for various auditory tasks on a standard PC.

Keywords:
auditory perceptionexperiment design softwareforward maskinggap detectionpsychoacousticspsychometrictemporal effecttemporal modulation

More Related Videos

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention
04:32

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

Published on: December 20, 2024

986
Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R
06:01

Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R

Published on: December 9, 2022

3.0K

Related Experiment Videos

Last Updated: Mar 30, 2026

A Method to Study Adaptation to Left-Right Reversed Audition
07:14

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

7.0K
Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention
04:32

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

Published on: December 20, 2024

986
Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R
06:01

Semi-Automated Analysis of Peak Amplitude and Latency for Auditory Brainstem Response Waveforms Using R

Published on: December 9, 2022

3.0K

Area of Science:

  • Psychoacoustics
  • Auditory Neuroscience
  • Computational Auditory Neuroscience

Background:

  • Modern psychophysical studies require precise stimulus control and flexible experimental platforms.
  • Existing tools may lack the flexibility or accessibility needed for complex auditory research.

Purpose of the Study:

  • To introduce PsyAcoustX, a freely available software suite for psychoacoustics research.
  • To provide a flexible platform for generating auditory stimuli, recording behavioral responses, and analyzing data on a standard PC.

Main Methods:

  • PsyAcoustX is developed in MATLAB, offering real-time stimulus generation and response recording.
  • It supports adaptive threshold measurements for various auditory tasks, including masking and modulation detection.
  • Data are automatically logged and exported for offline analysis, with easily modifiable core design.

Main Results:

  • PsyAcoustX facilitates rapid measurement of detection thresholds within minutes.
  • Demonstrated applications include audiometric thresholds, masking paradigms, gap detection, and amplitude modulation detection.
  • The software enables the study of phenomena like temporal overshoot and psychophysical tuning curves.

Conclusions:

  • PsyAcoustX offers a powerful, flexible, and accessible tool for psychoacoustics research.
  • Its modifiable design allows for adaptation to various auditory detection and discrimination tasks.
  • This software can advance research in auditory perception and related fields.