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

Perception of frequency contours via temporal and spatial tactile transforms.

T Hnath-Chisolm1, L Medwetsky

  • 1Center for Research in the Speech & Hearing Sciences, Graduate School, City University of New York, New York.

Ear and Hearing
|December 1, 1988
PubMed
Summary

The spatial, multichannel tactile coding scheme for voice fundamental frequency detection offers superior frequency resolution (0.14 octaves) compared to the temporal, single-channel scheme (0.2-0.3 octaves), requiring less learning.

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

Context effects in auditory training with children.

Scandinavian audiology. Supplementum·1997
Same author

Hearing loss in a memory disorders clinic. A specially vulnerable population.

Archives of neurology·1996
Same author

The hearing aid input: a phonemic approach to assessing the spectral distribution of speech.

Ear and hearing·1994
Same author

Speechreading enhancement by voice fundamental frequency: the effects of Fo contour distortions.

Journal of speech and hearing research·1992
Same author

The effects of intervention strategy on self-perception of hearing handicap.

Ear and hearing·1992
Same author

Spectral distribution of /s/ and the frequency response of hearing aids.

Ear and hearing·1992

Area of Science:

  • Auditory Neuroscience
  • Haptic Perception
  • Sensory Substitution

Background:

  • Understanding how the brain processes auditory information through alternative sensory modalities is crucial for developing effective sensory substitution devices.
  • Tactile displays offer a promising avenue for conveying complex auditory information, such as voice fundamental frequency (F0), to individuals with hearing impairments.

Purpose of the Study:

  • To compare the efficacy of two distinct tactile coding schemes for representing voice fundamental frequency (F0).
  • To evaluate the frequency resolution and learning requirements of temporal (rate-based) versus spatial (location-based) tactile coding.

Main Methods:

  • Employed an adaptive, three-interval, forced-choice oddity procedure to assess detection of terminal frequency changes in syllable-like contours.

Related Experiment Videos

  • Investigated a temporal, single-channel coding scheme (vibration rate) and a spatial, multichannel scheme (vibration location) on fingertip and forearm respectively.

    • Main Results:

    • The temporal, single-channel scheme yielded a frequency resolution of 0.2–0.3 octaves at the fingertip.
    • The spatial, multichannel scheme achieved a frequency resolution of 0.14 octaves on the forearm, demonstrating superior performance.
    • The spatial, multichannel scheme required significantly less learning compared to the temporal, single-channel scheme.

    Conclusions:

    • Spatial, multichannel tactile coding of voice fundamental frequency provides enhanced frequency resolution and requires less user training.
    • These findings support the potential of spatial tactile displays for effective auditory information transfer in sensory substitution applications.