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

Echo01:06

Echo

548
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,...
548
Perception of Sound Waves01:01

Perception of Sound Waves

4.5K
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...
4.5K
Aliasing01:18

Aliasing

178
Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original...
178
Difference from Background: Limit of Detection01:05

Difference from Background: Limit of Detection

6.7K
The limit of detection (LOD) is the smallest amount of analyte that can be distinguished from the background noise. The LOD value corresponds to the concentration at which the analyte signal is three times larger than the standard deviation of the blank signal. Below this value, the analyte signal cannot be differentiated from the background noise. It is calculated by dividing the calibration slope by 3 times the standard deviation of the blank signals.
The LOD indicates the presence or absence...
6.7K
Sampling Theorem01:15

Sampling Theorem

420
In signal processing, the analysis of continuous-time signals, denoted as x(t), often involves sampling techniques to convert these signals into discrete-time signals. This process is essential for digital representation and manipulation. A critical component in sampling is the train of impulses, characterized by the sampling interval and the sampling frequency. The relationship between these parameters and the original signal's properties dictates the success of the sampling process.
420
Perceiving Loudness, Pitch, and Location01:21

Perceiving Loudness, Pitch, and Location

287
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...
287

You might also read

Related Articles

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

Sort by
Same author

Tail-to-Side-Chain Cyclization Stabilizes Proteins on Thermoresponsive ELP-Based Nanoparticles.

Journal of biotechnology·2026
Same author

Comprehensive evidence for the pathogenicity of the <i>BRCA2</i> c.7847C>T (p.Ser2616Phe) variant specific to the Japanese population.

Journal of medical genetics·2026
Same author

A scoping review on the use of virtual patients for enhancing empathy in medical students.

Medical education online·2025
Same author

Catheter Ablation Outcomes and Life Expectancy in Very Elderly Atrial Fibrillation Patients: The REHEALTH AF Study.

JACC. Clinical electrophysiology·2025
Same author

Effect of stimulus onset and offset asynchrony on audiovisual temporal recalibration.

Vision research·2025
Same author

Clinical Significance of Early Computed Tomography Scan on Thrombus Regression Rate in Acute Pulmonary Embolism: Insights from the SAKURA PE/DVT REGISTRY.

Journal of atherosclerosis and thrombosis·2024

Related Experiment Video

Updated: Aug 4, 2025

A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

11.0K

Perceptual simultaneity range for two dichotically presented pure tones with frequency separation below 0.5 Bark.

Satoshi Okazaki1, Makoto Ichikawa2, Minoru Tsuzaki3

  • 1Faculty of Medicine, Kagawa University, 1750-1 Ikenobe, Miki-cho, Kita-gun, Kagawa 761-0793, Japan.

JASA Express Letters
|April 1, 2023
PubMed
Summary

Perceptual simultaneity for tones is wider when frequencies are closer, but only when tones are heard in the same ear. This suggests cochlear filter processing influences auditory perception.

More Related Videos

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
09:13

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

Published on: April 22, 2015

16.6K
Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks

Published on: March 16, 2015

12.9K

Related Experiment Videos

Last Updated: Aug 4, 2025

A Two-interval Forced-choice Task for Multisensory Comparisons
07:13

A Two-interval Forced-choice Task for Multisensory Comparisons

Published on: November 9, 2018

11.0K
Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder
09:13

Testing Sensory and Multisensory Function in Children with Autism Spectrum Disorder

Published on: April 22, 2015

16.6K
Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks
09:04

Uncovering Beat Deafness: Detecting Rhythm Disorders with Synchronized Finger Tapping and Perceptual Timing Tasks

Published on: March 16, 2015

12.9K

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics

Background:

  • The perception of simultaneous sounds is crucial for understanding complex auditory scenes.
  • Previous research indicates that the range of perceived simultaneity is influenced by various acoustic factors.

Purpose of the Study:

  • To investigate the effect of frequency separation on perceptual simultaneity for diotic and dichotic tone presentations.
  • To explore the role of cochlear processing in auditory simultaneity.

Main Methods:

  • Two frequency regions were tested using diotic (same ear) and dichotic (different ears) presentation of tones.
  • Perceptual simultaneity range was measured as a function of frequency separation (in Bark).

Main Results:

  • Perceptual simultaneity range increased as frequency separation decreased for diotic presentation.
  • This effect was not observed for dichotic presentation, where tones were presented to different ears.
  • The findings were consistent across the two frequency regions studied.

Conclusions:

  • The observed increase in simultaneity with decreasing frequency separation in diotic listening suggests a role for peripheral auditory processing.
  • The absence of this effect in dichotic listening supports the hypothesis that cochlear filter characteristics, specifically time-frequency uncertainty, underlie this phenomenon.