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

Coding strategies for a single-channel tactile aid.

I R Summers1, J Farr

  • 1Department of Physics, University of Exeter.

British Journal of Audiology
|November 1, 1989
PubMed
Summary
This summary is machine-generated.

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

A pilot hole does not reduce the strains or risk of fracture to the lateral cortex during and following a medial opening wedge high tibial osteotomy in cadaveric specimens.

Bone & joint research·2018
Same author

Avascular necrosis in children with cerebral palsy after reconstructive hip surgery.

Journal of children's orthopaedics·2017
Same author

An acoustic double fishnet using Helmholtz resonators.

The Journal of the Acoustical Society of America·2014
Same author

Functional MRI of the hypothalamic response to an oral glucose load.

Diabetologia·2012
Same author

Varicose veins and thrombophlebitis.

East African medical journal·2010
Same author

Surgical management of articular cartilage defects of the knee.

The Journal of bone and joint surgery. American volume·2010

Normally hearing individuals can identify stressed words using only touch. Vibrotactile feedback effectively conveys speech stress patterns through frequency and amplitude coding.

Area of Science:

  • Auditory Neuroscience
  • Haptics
  • Speech Perception

Background:

  • Understanding speech prosody is crucial for effective communication.
  • Exploring non-auditory sensory substitution for speech perception is an emerging field.
  • Tactile feedback offers a potential channel for conveying speech information.

Purpose of the Study:

  • To investigate the feasibility of using tactile information for identifying stressed words in sentences.
  • To evaluate different coding strategies for representing speech stress via vibrotactile stimuli.
  • To determine the effectiveness of tactile feedback in speech stress perception without prior training.

Main Methods:

  • Normally hearing subjects received vibrotactile stimuli on their fingertip.
  • Stimuli encoded speech features like pitch (frequency) and amplitude.

Related Experiment Videos

  • Various coding strategies were tested, mapping speech parameters to vibration frequency and intensity.
  • Participants identified stressed words based solely on tactile input.

    • Main Results:

    • Subjects demonstrated significant success in identifying stress patterns using tactile information alone.
    • The most effective coding strategy involved voice frequency (40-220 Hz) with amplitude modulation.
    • Representing speech amplitude with two discrete stimulus levels was also effective.
    • Minimal training was required for participants to achieve good performance.

    Conclusions:

    • Tactile information can be effectively utilized for perceiving speech stress.
    • Vibrotactile feedback systems can be designed to convey crucial prosodic information.
    • This research opens possibilities for sensory substitution technologies in speech communication.