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

Perception of Sound Waves01:01

Perception of Sound Waves

4.7K
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...
4.7K
Scaling01:26

Scaling

712
In designing and analyzing filters, resonant circuits, or circuit analysis at large, working with standard element values like 1 ohm, 1 henry, or 1 farad can be convenient before scaling these values to more realistic figures. This approach is widely utilized by not employing realistic element values in numerous examples and problems; it simplifies mastering circuit analysis through convenient component values. The complexity of calculations is thereby reduced, with the understanding that...
712
Linear Approximation in Frequency Domain01:26

Linear Approximation in Frequency Domain

501
Linear systems are characterized by two main properties: superposition and homogeneity. Superposition allows the response to multiple inputs to be the sum of the responses to each individual input. Homogeneity ensures that scaling an input by a scalar results in the response being scaled by the same scalar.
In contrast, nonlinear systems do not inherently possess these properties. However, for small deviations around an operating point, a nonlinear system can often be approximated as linear....
501
Hearing01:31

Hearing

47.9K
When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
47.9K
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

918
Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next...
918
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

You might also read

Related Articles

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

Sort by
Same author

Audibility-Based Informational Counseling in Pediatric Audiology Using the Speech Intelligibility Index: A Qualitative Study.

Ear and hearing·2026
Same author

Understanding help seeking pathways to care in a first episode psychosis coordinated specialty clinic.

Discover mental health·2026
Same author

A Systematic Scoping Review of Measures Used to Evaluate Treatment-Induced Changes in Depression, Anxiety, and Chronic Stress in People with Post-Stroke Aphasia.

Aphasiology·2025
Same author

Longitudinal Digital Phenotyping of Multiple Sclerosis Severity Using Passively Sensed Behaviors and Ecological Momentary Assessments: Real-World Evaluation.

Journal of medical Internet research·2025
Same author

Characteristics of Hearing Aid Use in Adolescents Who Are Deaf and Hard of Hearing.

Language, speech, and hearing services in schools·2025
Same author

Durable T cell immunity to COVID-19 vaccines in MS patients on B cell depletion therapy.

NPJ vaccines·2025

Related Experiment Video

Updated: Apr 28, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

3.0K

Nonlinear frequency compression in hearing aids: impact on speech and language development.

Ruth Bentler1, Elizabeth Walker, Ryan McCreery

  • 11Department of Communication Sciences and Disorders, University of Iowa, Iowa City, Iowa, USA; 2Boys Town National Research Hospital, Omaha, Nebraska, USA; and 3Department of Otolaryngology/Head and Neck Surgery, University of North Carolina-Chapel Hill, Chapel Hill, North Carolina, USA.

Ear and Hearing
|June 4, 2014
PubMed
Summary

Children using nonlinear frequency compression (NLFC) hearing aids showed no significant differences in speech and language skills compared to those with conventional hearing aids. This study found similar audibility and developmental outcomes regardless of hearing aid technology.

More Related Videos

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
07:56

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

Published on: March 13, 2026

179
Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
03:49

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation

Published on: October 11, 2024

1.3K

Related Experiment Videos

Last Updated: Apr 28, 2026

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

3.0K
An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
07:56

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

Published on: March 13, 2026

179
Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation
03:49

Author Spotlight: Optimizing EAS with Long Electrodes for Enhanced Cochlear Coverage and Hearing Preservation

Published on: October 11, 2024

1.3K

Area of Science:

  • Pediatric audiology
  • Speech-language pathology
  • Hearing aid technology

Background:

  • Nonlinear frequency compression (NLFC) aims to improve speech signal access for children with hearing loss.
  • Previous hypotheses suggested wider input bandwidth from NLFC could enhance speech intelligibility.

Purpose of the Study:

  • To determine if children using NLFC hearing aids have better access to the speech signal compared to conventional processing.
  • To investigate differences in speech and language skills between children using NLFC and conventional hearing aids.

Main Methods:

  • 66 children (3-5 years old) with mild to severe hearing loss participated.
  • Participants had at least 6 months of hearing aid usage (NLFC or conventional).
  • Audibility, speech perception, and language skills were assessed.

Main Results:

  • No significant differences in audibility (measured by Speech Intelligibility Index) between NLFC and conventional hearing aids.
  • No differences in speech or language outcomes at ages 4 or 5.
  • Potential confounding factors, like prematurity, may have influenced 3-year-old outcomes.

Conclusions:

  • Children using NLFC hearing aids demonstrated comparable audibility to those using conventional technology.
  • No significant differences in speech and language abilities were observed between the two hearing aid technology groups.