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Related Experiment Video

Updated: Jul 1, 2026

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Published on: August 9, 2024

A water-resistant speech processor.

Peter Gibson¹, Edmond Capcelea, Ian Darley

¹Cochlear Limited, Sydney, NSW 2066, Australia. pgibson@cochlear.com.au

Cochlear Implants International

|September 16, 2008

Summary

This summary is machine-generated.

Cochlear implant speech processors must endure daily life, including water exposure. The Nucleus Freedom speech processor meets the IP44 standard, ensuring reliable function in diverse environments.

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Related Experiment Videos

Last Updated: Jul 1, 2026

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis

Published on: August 9, 2024

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

Area of Science:

Audiology and Bioengineering
Medical Device Engineering

Background:

Cochlear implant systems require robust speech processors for daily use in varied environments.
Exposure to liquids and contaminants poses a significant reliability challenge for these devices.

Purpose of the Study:

To evaluate the Nucleus Freedom speech processor's resistance to liquid and contaminant ingress.
To ensure the reliability and functionality of the speech processor in demanding conditions.

Main Methods:

The Nucleus Freedom speech processor was tested for compliance with International Standard IEC 60529.
Independent certification involved spraying the processor with water.
Functionality was verified immediately after exposure, including microphone response, radio frequency link, and controls.

Main Results:

The Nucleus Freedom speech processor achieved an Ingress Protection (IP) rating of IP44.
The processor demonstrated continued functionality after water spraying tests.

Conclusions:

The Nucleus Freedom speech processor meets rigorous international standards for environmental protection.
The device is designed to withstand liquid ingress, enhancing reliability for users in diverse daily activities.