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

Encoding01:19

Encoding

850
Information enters the brain through encoding, which is the input of information into the memory system. Once sensory information is received from the environment, the brain labels or codes it. The information is then organized with similar information and connected to existing concepts. Encoding occurs through automatic processing and effortful processing.
Automatic processing involves the encoding of details like time, space, frequency, and the meaning of words, usually done without conscious...
850
Pulse amplitude and quality01:17

Pulse amplitude and quality

3.1K
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...
3.1K
Reaction Rate02:53

Reaction Rate

63.3K
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...
63.3K
Related Rates01:18

Related Rates

52
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...
52
Speciation Rates01:07

Speciation Rates

22.8K
Overview
22.8K
Measuring Reaction Rates03:09

Measuring Reaction Rates

29.3K
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...
29.3K

You might also read

Related Articles

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

Sort by
Same author

Automating Subthalamic Deep Brain Stimulation Programming with Evoked Resonant Neural Activity in Parkinson's Disease.

Movement disorders : official journal of the Movement Disorder Society·2026
Same author

Estimating User-Specific Current Spread and Neural Health Parameters in a Model of Hearing with Cochlear Implants.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Stimulation artefact removal: review and evaluation of applications in evoked responses.

Journal of neural engineering·2024
Same author

Detection of evoked resonant neural activity in Parkinson's disease.

Journal of neural engineering·2024
Same author

Anatomical targeting for electrode localization in subthalamic nucleus deep brain stimulation: A comparative study.

Journal of neuroimaging : official journal of the American Society of Neuroimaging·2023
Same author

From Microphone to Phoneme: An End-to-End Computational Neural Model for Predicting Speech Perception With Cochlear Implants.

IEEE transactions on bio-medical engineering·2022

Related Experiment Video

Updated: Feb 2, 2026

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
07:00

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

1.5K

Encoding speech in cochlear implants using simultaneous amplitude and rate modulation.

Tim Brochier1, Colette McKay2, Hugh McDermott2

  • 1Department of Medical Bionics, University of Melbourne, 384-388 Albert Street, East Melbourne, Victoria 3002, Australia.

The Journal of the Acoustical Society of America
|November 9, 2018
PubMed
Summary

Cochlear implant (CI) users can better understand speech by improving temporal envelope transmission. Combining amplitude modulation (AM) with rate modulation (RM) enhances speech perception, especially in noisy environments.

More Related Videos

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

846
Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

5.0K

Related Experiment Videos

Last Updated: Feb 2, 2026

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process
07:00

Electrically Evoked Stapedius Reflex Measurements in Cochlear Implantation and Its Application in the Postoperative Fitting Process

Published on: June 21, 2024

1.5K
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

846
Performing Intracochlear Electrocochleography During Cochlear Implantation
09:10

Performing Intracochlear Electrocochleography During Cochlear Implantation

Published on: March 8, 2022

5.0K

Area of Science:

  • Audiology
  • Neuroscience
  • Speech Processing

Background:

  • Cochlear implants (CI) aim to improve speech perception for hearing-impaired individuals.
  • Current CI processors use fixed-rate amplitude modulation (AM) for temporal envelope encoding.
  • Rate modulation (RM) and AM may share a temporal integration mechanism, suggesting potential for combined encoding.

Purpose of the Study:

  • To develop and evaluate a novel speech processing strategy combining AM and RM for enhanced temporal envelope encoding.
  • To investigate if simultaneous AM and RM improve speech perception in CI users under various listening conditions.

Main Methods:

  • A new "amplitude and rate temporal modulation" strategy was developed.
  • Speech perception was tested using clean speech (60 and 40 dBA) and speech in noise (+10 dB SNR).
  • The impact of varying RM levels with constant AM was assessed.

Main Results:

  • Speech understanding scores were lowest at the minimal RM level across all conditions.
  • Significant improvements in speech scores were observed at higher RM levels for clean and noisy speech (60 dBA).

Conclusions:

  • Simultaneous amplitude and rate modulation can effectively enhance temporal envelope perception.
  • This combined modulation strategy shows promise for improving speech understanding in cochlear implant users.