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

Multichannel compression processing for profound deafness.

E Villchur1

  • 1Foundation for Hearing Aid Research, Woodstock, New York 12498.

Journal of Rehabilitation Research and Development
|January 1, 1987
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 Different Approach to the Noise Problem of the Hearing Impaired.

American journal of audiology·2015
Same author

Comments on "compression? Yes, but for low or high frequencies, for low or high intensities, and with what response times?" Dillon, H. (1996), Ear and Hearing, 17, 287-307.

Ear and hearing·1997
Same author

Comments on "Earphones in Audiometry" [Zwislocki et al., J. Acoust. Soc. Am. 83, 1688-1689 (1988)].

The Journal of the Acoustical Society of America·1989
Same author

The effect of a severely reduced dynamic range of hearing on the perception of speech.

Scandinavian audiology. Supplementum·1978
Same author

The rationale for multi-channel amplitude compression combined with post-compression equalization.

Scandinavian audiology. Supplementum·1978
Same author

Electronic models to simulate the effect of sensory distortions on speech perception by the deaf.

The Journal of the Acoustical Society of America·1977
Same journal

Presentation Highlights: International service delivery.

Journal of rehabilitation research and development·2023
Same journal

Iraq/Afghanistan-era Veterans with back pain: Characteristics and predictors of compensation and pension award.

Journal of rehabilitation research and development·2021
Same journal

Prosthetic fitting, use, and satisfaction following lower-limb amputation: A prospective study.

Journal of rehabilitation research and development·2020
Same journal

Tongue-controlled robotic rehabilitation: A feasibility study in people with stroke.

Journal of rehabilitation research and development·2017
Same journal

Utility of a multimodal neurophysiologic assessment tool in distinguishing between individuals with and without a history of mild traumatic brain injury.

Journal of rehabilitation research and development·2017
Same journal

Efficacy of extremely low-frequency magnetic field in fibromyalgia pain: A pilot study.

Journal of rehabilitation research and development·2017
See all related articles

Amplitude compression significantly improved speech recognition for profoundly deaf individuals, especially at lower listening levels. This auditory processing technique offers a notable advantage for hearing aid users.

Area of Science:

  • Audiology
  • Speech Processing
  • Hearing Science

Background:

  • Profound deafness presents significant challenges in speech perception.
  • Conventional hearing aids often struggle to optimize speech understanding in noisy environments.

Purpose of the Study:

  • To evaluate the effectiveness of three-channel amplitude compression combined with frequency shaping for improving speech recognition in profoundly deaf individuals.
  • To compare the performance of compressed versus uncompressed speech processing strategies.

Main Methods:

  • Five profoundly deaf subjects were tested using processed sentences.
  • Speech recognition scores were measured with and without amplitude compression, at preferred and reduced input levels.
  • An exploratory condition included visual cues.

Related Experiment Videos

Main Results:

  • Three out of five subjects showed statistically significant, though modest, improvement with compression at preferred levels (average scores: 29.2% uncompressed vs. 39.5% compressed).
  • All four subjects tested at reduced levels demonstrated significant speech recognition gains with compression (e.g., 10.7% uncompressed vs. 31.7% compressed at -15 dB).
  • The benefit of compression persisted when visual cues were added.

Conclusions:

  • Three-channel amplitude compression offers a significant benefit for speech recognition in profoundly deaf individuals, particularly under challenging listening conditions (reduced input levels).
  • This processing strategy enhances auditory perception and may improve the efficacy of hearing assistive devices.