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Related Concept Videos

The Cochlea01:13

The Cochlea

The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.

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Related Experiment Video

Updated: Jun 18, 2026

The Miniature Pig: A Large Animal Model for Cochlear Implant Research
06:16

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

Laboratory prototype of cochlear implant: design and techniques.

Hussnain Ali1, Talha J Ahmad, Asim Ajaz

  • 1Center for Advanced Research in Engineering, Islamabad, Pakistan. hussnain@ieee.org

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
|December 8, 2009
PubMed
Summary

This study details a low-cost cochlear implant prototype using readily available parts. The device features a speech processing module and wireless data/power transmission, enabling research in cochlear implant technology.

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Last Updated: Jun 18, 2026

The Miniature Pig: A Large Animal Model for Cochlear Implant Research
06:16

The Miniature Pig: A Large Animal Model for Cochlear Implant Research

Published on: July 28, 2022

Robotic Cochlear Implantation for Direct Cochlear Access
08:06

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Published on: June 16, 2022

Testing a Cochlear Implant Electrode Insertion Training System for Optimal Electrode Array Placement in Different Inner Ear Anatomies
07:34

Testing a Cochlear Implant Electrode Insertion Training System for Optimal Electrode Array Placement in Different Inner Ear Anatomies

Published on: February 6, 2026

Area of Science:

  • Biomedical Engineering
  • Electrical Engineering
  • Auditory Neuroscience

Background:

  • Cochlear implants are vital for hearing restoration.
  • Research requires accessible, cost-effective platforms.
  • Existing research tools can be expensive and complex.

Purpose of the Study:

  • To present the design of a low-cost cochlear implant prototype.
  • To enable laboratory-based research on cochlear implant technologies.
  • To evaluate different speech processing strategies.

Main Methods:

  • Developed a prototype using commercial off-the-shelf components.
  • Implemented a speech processing module on a digital signal processor.
  • Designed a transcutaneous inductive link for data and power transfer.
  • Utilized a PIC microcontroller for receiver logic and stimulator circuitry.
  • Tested various speech processing strategies (CIS, SMSP, F0/F1).

Main Results:

  • Achieved 40% link efficiency for the inductive power and data transfer.
  • Demonstrated a data transfer rate of 128kbps.
  • Successfully implemented and tested multiple speech processing strategies.
  • The prototype is functional and suitable for research applications.

Conclusions:

  • A low-cost cochlear implant prototype is feasible using COTS components.
  • The developed platform supports research into speech processing strategies.
  • This prototype facilitates accessible cochlear implant research in laboratory settings.