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

Harmonic Mean01:09

Harmonic Mean

3.1K
The arithmetic mean is usually skewed towards the larger values in the data set. Therefore, to avoid this inherent bias towards smaller values, the harmonic mean is used.
Take the example of the speed of a car, which is the measure of the rate of distance traveled. If the vehicle traverses the same distance back-and-forth, its average speed equals the total distance traveled divided by the total time taken. However, if the car moves with varying speeds, then the arithmetic mean is more skewed...
3.1K
The Cochlea01:13

The Cochlea

44.5K
The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
44.5K
Sound Waves: Interference00:53

Sound Waves: Interference

3.7K
Sound waves can be modeled either as longitudinal waves, wherein the molecules of the medium oscillate around an equilibrium position, or as pressure waves. When two identical waves from the same source superimpose on each other, the combination of two crests or two troughs results in amplitude reinforcement known as constructive interference. If two identical waves, that are initially in phase, become out of phase because of different path lengths, the combination of crests with troughs...
3.7K
Resonance and Hybrid Structures02:16

Resonance and Hybrid Structures

16.4K
According to the theory of resonance, if two or more Lewis structures with the same arrangement of atoms can be written for a molecule, ion, or radical, the actual distribution of electrons is an average of that shown by the various Lewis structures.
Resonance Structures and Resonance Hybrids
The Lewis structure of a nitrite anion (NO2−) may actually be drawn in two different ways, distinguished by the locations of the N–O and N=O bonds.
16.4K
Sound Waves: Resonance01:14

Sound Waves: Resonance

2.5K
Resonance is produced depending on the boundary conditions imposed on a wave. Resonance can be produced in a string under tension with symmetrical boundary conditions (i.e., has a node at each end). A node is defined as a fixed point where the string does not move. The symmetrical boundary conditions result in some frequencies resonating and producing standing waves, while other frequencies interfere destructively. Sound waves can resonate in a hollow tube, and the frequencies of the sound...
2.5K
Perception of Sound Waves01:01

Perception of Sound Waves

4.4K
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...
4.4K

You might also read

Related Articles

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

Sort by
Same author

Validating a rapid psychophysical procedure for estimating interaural time difference thresholds.

Hearing research·2025
Same author

The relationship between interaural coherence, interaural level differences, and binaural fusion.

Hearing research·2025
Same author

Temporal pitch matching with bilateral cochlear implants.

JASA express letters·2024
Same author

Pitch Matching Adapts Even for Bilateral Cochlear Implant Users with Relatively Small Initial Pitch Differences Across the Ears.

Journal of the Association for Research in Otolaryngology : JARO·2019

Related Experiment Video

Updated: Jun 2, 2025

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion
03:58

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Published on: January 17, 2025

387

Using harmonicity to facilitate binaural fusion.

Justin M Aronoff1, Jordan Deutsch1, Josephine R LaPapa1

  • 1Speech and Hearing Science Department, University of Illinois at Urbana-Champaign, Champaign, Illinois 61820, USAjaronoff@illinois.edu, jpd4@illinois.edu, jlapapa2@illinois.edu.

JASA Express Letters
|January 16, 2025
PubMed
Summary
This summary is machine-generated.

Harmonicity aids auditory object formation and can also help fuse sounds from both ears (binaural fusion). This study shows harmonic relationships enable binaural fusion, even without overlapping sound spectra between the ears.

More Related Videos

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study
05:33

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

Published on: September 8, 2021

6.4K
A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

14.2K

Related Experiment Videos

Last Updated: Jun 2, 2025

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion
03:58

Enhancing Electrode Location Assessment in Cochlear Implantation via Computed Tomography Image Fusion

Published on: January 17, 2025

387
How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study
05:33

How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

Published on: September 8, 2021

6.4K
A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds
10:13

A Lightweight, Headphones-based System for Manipulating Auditory Feedback in Songbirds

Published on: November 26, 2012

14.2K

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics

Background:

  • Harmonicity is a fundamental principle in auditory processing, crucial for organizing sound and forming auditory objects.
  • The role of harmonicity in binaural fusion, the process of integrating auditory information from both ears, remains less understood.

Purpose of the Study:

  • To investigate whether harmonicity facilitates binaural fusion.
  • To determine if harmonic relationships between sounds enhance the perception of a unified auditory image when sound components are presented to separate ears.

Main Methods:

  • Participants listened to pairs of two-tone complex tones.
  • Tones were either harmonically or inharmonically related.
  • Sound components were divided between the left and right ears to test binaural fusion.

Main Results:

  • When components of inharmonically related tones were separated between ears, binaural fusion did not occur.
  • Binaural fusion was achieved when components of harmonically related tones were separated between ears.
  • Fusion occurred even without any spectral overlap of the tones between the ears.

Conclusions:

  • Harmonicity plays a significant role in facilitating binaural fusion.
  • The auditory system utilizes harmonic relationships to integrate sounds presented to both ears, creating a unified percept.
  • This finding extends the organizing principle of harmonicity beyond auditory object formation to binaural processing.