Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Speech processing in vocoder-centric cochlear implants.

Philipos C Loizou¹

¹Department of Electrical Engineering, Jonsson School of Engineering and Computer Science, University of Texas at Dallas, Richardson, Tex., USA.

Advances in Oto-Rhino-Laryngology

|August 8, 2006

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

Prior exposure to a reverberant listening environment improves speech intelligibility in adult cochlear implant listeners.

Cochlear implants international·2016

Same author

Evaluation of the importance of time-frequency contributions to speech intelligibility in noise.

The Journal of the Acoustical Society of America·2014

Same author

Environment-adaptive speech enhancement for bilateral cochlear implants using a single processor.

Speech communication·2014

Same author

Vocoder simulations of highly focused cochlear stimulation with limited dynamic range and discriminable steps.

Ear and hearing·2013

Same author

Simultaneous suppression of noise and reverberation in cochlear implants using a ratio masking strategy.

The Journal of the Acoustical Society of America·2013

Same author

Objective speech intelligibility measurement for cochlear implant users in complex listening environments.

Speech communication·2013

Same journal

Preface.

Advances in oto-rhino-laryngology·2020

Same journal

Future Advances in Neurolaryngology.

Advances in oto-rhino-laryngology·2020

Same journal

Structure, Function and Insertion of the Human Vocal Folds.

Advances in oto-rhino-laryngology·2020

Same journal

Laryngeal Reinnervation: The History and Where We Stand Now.

Advances in oto-rhino-laryngology·2020

Same journal

Neuromuscular Disease Affecting the Larynx.

Advances in oto-rhino-laryngology·2020

Same journal

Objective Measures of Stroboscopy and High-Speed Video.

Advances in oto-rhino-laryngology·2020

See all related articles

Cochlear implant processing strategies, based on channel vocoder principles, are reviewed. Research focuses on enhancing pitch perception for music and improving noise reduction for better hearing.

Area of Science:

Audiology
Signal Processing
Biomedical Engineering

Background:

Cochlear implant processors utilize principles similar to channel vocoders, originally developed for efficient speech transmission.
The evolution of cochlear implant processing strategies since the late 1990s is a key area of audiological research.

Observation:

This review provides an overview of various vocoder-centric processing strategies for cochlear implants.
It details strategies implemented in commercially available implant processors.
Emphasis is placed on strategies aimed at improving pitch information for music perception.

Findings:

Vocoder-based strategies form the foundation of modern cochlear implant sound processing.
Specific strategies have been developed to enhance spectral detail, crucial for pitch perception.

Related Experiment Videos

Noise suppression techniques using single and multi-microphone inputs have also been investigated.

Implications:

Understanding these processing strategies can lead to improved cochlear implant performance, especially for music listening.
Further research into vocoder-centric strategies may enhance speech intelligibility in noisy environments.
Optimized signal processing is crucial for advancing the capabilities of cochlear implants.