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

Asynchronous interleaved stimulation (AIS): a new speech coding strategy for cochlear implant

M Ouayoun1, V Péan, J Génin

  • 1Laboratoire de Recherches O.R.L. du Centre Hospitalo Universitaire Paris Saint-Antoine, France.

Acta Oto-Laryngologica
|March 1, 1997
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

Rb-loss is associated with high malignancy in chondrosarcoma.

Oncology reports·2005
Same author

Pellucid marginal degeneration coexistent with cornea plana in one member of a family exhibiting a novel KERA mutation.

The British journal of ophthalmology·2005
Same author

A fluorometric method for the differentiation of algal populations in vivo and in situ.

Photosynthesis research·2005
Same author

"Best friends" sharing the HMGA1 gene: comparison of the human and canine HMGA1 to orthologous other species.

The Journal of heredity·2005
Same author

Intermittent administration of betalactam-antibiotics for treatment of severe infection in hemodialysis patients.

European journal of medical research·2005
Same author

Pharmacokinetics of teicoplanin during continuous hemofiltration with a new and a 24-h used highly permeable membrane: rationale for therapeutic drug monitoring-guided dosage.

International journal of clinical pharmacology and therapeutics·2004
Same journal

Vasopressin type-2 receptor mRNA expressions in endolymphatic sac and temporal bone cT findings in Meniere's disease.

Acta oto-laryngologica·2026
Same journal

The impact of climate and environmental factors on the incidence of Bell's palsy: a nationwide population study.

Acta oto-laryngologica·2026
Same journal

Association between low temporalis muscle thickness and chemoradiotherapy-induced leukopenia in head and neck squamous cell carcinoma.

Acta oto-laryngologica·2026
Same journal

Auditory Outcomes After Simultaneous Translabyrinthine Vestibular Schwannoma Resection and Cochlear Implantation: A Prospective Case Series.

Acta oto-laryngologica·2026
Same journal

CT imaging parameters of the oval window region can predict the extent of stapes footplate exposure in patients with otosclerosis.

Acta oto-laryngologica·2026
Same journal

Congenital middle ear anomalies: endoscopic outcomes, facial nerve anomalies, and bilateral consistency in 41 ears.

Acta oto-laryngologica·2026
See all related articles

This study introduces a new cochlear implant strategy, Asynchronous-Interleaved-Stimulation (AIS), which dynamically adjusts the analysis window based on speech signals. This method significantly improves speech discrimination for cochlear implant users compared to traditional fixed-window approaches.

Area of Science:

  • Biomedical Engineering
  • Auditory Neuroscience
  • Signal Processing

Background:

  • Cochlear implants traditionally use fixed or F0-dependent stimulation rates, regardless of the analyzed sound or processing method.
  • Existing methods often struggle to optimally represent both transient and stationary aspects of speech signals due to fixed analysis parameters.

Purpose of the Study:

  • To present a novel cochlear implant signal processing strategy that adapts its analysis window based on the input signal characteristics.
  • To evaluate the effectiveness of this adaptive strategy in improving speech perception for cochlear implant users.

Main Methods:

  • Developed a Fast Fourier Transform (FFT) based analysis using a variable-width window, adapting to transient and stationary speech signal components.
  • Implemented a system where short windows (high time resolution) are used for transient signal parts, coupled with increased stimulation frequency.

Related Experiment Videos

  • Utilized large windows (high frequency resolution) for stationary signal parts, with window switching triggered by statistical properties of the FFT.
  • Clinically assessed the Asynchronous-Interleaved-Stimulation (AIS) strategy in six cochlear implant users using a consonant-vowel-consonant test.

    • Main Results:

    • The Asynchronous-Interleaved-Stimulation (AIS) strategy demonstrated superior speech discrimination performance compared to fixed-window FFT analysis.
    • Adaptive windowing allowed for better tracking of rapid temporal variations in speech signals.

    Conclusions:

    • The proposed adaptive windowing strategy, AIS, offers a significant improvement in speech perception for cochlear implant users.
    • Dynamic adjustment of analysis window width and stimulation rate based on signal characteristics is a promising approach for enhanced cochlear implant processing.