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 Experiment Videos

Detection of a mistuned component in a harmonic complex

J Lee1, D M Green

  • 1Department of Psychology, University of Florida, Gainesville 32611.

The Journal of the Acoustical Society of America
|August 1, 1994
PubMed
Summary

Detecting mistuned harmonic components is easier with simultaneous monotic presentation, likely due to spectral envelope cues. This auditory perception mechanism appears to function centrally, above the cochlea.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

The birthday problem: repeated sampling of animal populations and ethics of experimental design.

Animal : an international journal of animal bioscience·2024
Same author

In vitro human skin absorption of linalool: Effects of vehicle composition, evaporation and occlusion on permeation and distribution.

International journal of pharmaceutics·2022
Same author

The contact structure of Great Britain's salmon and trout aquaculture industry.

Epidemics·2019
Same author

Identifying genotype specific elevated-risk areas and associated herd risk factors for bovine tuberculosis spread in British cattle.

Epidemics·2018
Same author

Heterogeneous responses of temperate-zone amphibian populations to climate change complicates conservation planning.

Scientific reports·2017
Same author

Male infertility in long-term survivors of pediatric cancer: a report from the childhood cancer survivor study.

Journal of cancer survivorship : research and practice·2014

Area of Science:

  • Auditory perception
  • Psychoacoustics
  • Signal processing

Background:

  • Harmonic complexes are fundamental to sound perception.
  • Detecting deviations, like mistuned components, is crucial for auditory scene analysis.
  • Understanding the mechanisms of mistuning detection informs hearing aid and cochlear implant design.

Purpose of the Study:

  • To investigate the detection of mistuned components in harmonic complexes.
  • To compare detection performance across simultaneous monotic, successive monotic, and simultaneous dichotic stimulus procedures.
  • To explore the influence of stimulus parameters like fundamental frequency and duration on mistuning detection.

Main Methods:

  • Participants detected mistuned components in harmonic complexes.
  • Stimuli were presented using three procedures: simultaneous monotic, successive monotic, and simultaneous dichotic.
  • Experiments varied fundamental frequency (200 Hz) and stimulus duration (410 ms).

Main Results:

  • Simultaneous monotic presentation yielded lower detection thresholds than other procedures, particularly for higher harmonics.
  • Detection thresholds did not differ between successive monotic and simultaneous dichotic procedures.
  • An envelope cue in the power spectrum of the envelope was identified as the primary cue in simultaneous monotic detection.
  • Decreasing stimulus duration and increasing fundamental frequency weakened the envelope cue.

Conclusions:

  • The simultaneous monotic procedure offers superior detection of mistuned harmonic components, attributed to spectral envelope cues.
  • Mistuning detection appears to be processed centrally, beyond the cochlear level.
  • Auditory processing of harmonic complexes is sensitive to stimulus duration and fundamental frequency, impacting cue utilization.

Related Experiment Videos