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Related Experiment Video

Updated: Sep 20, 2025

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention
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A system for spatial hearing research.

Arivudai Nambi Pitchai Muthu1, Hasna Fathima1,2, Vibha Kanagokar1

  • 1Department of Audiology and Speech-Language Pathology, Kasturba Medical College, Mangalore, Manipal Academy of Higher Education, Manipal, Karnataka, India.

Methodsx
|June 6, 2022
PubMed
Summary
This summary is machine-generated.

This study presents a customizable free-field system for spatial hearing research. The facility accommodates both normal hearing individuals and hearing aid users, enabling precise spatial acuity assessments.

Keywords:
Binaural hearingSound localizationSpatial hearing lab

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Area of Science:

  • Auditory Neuroscience
  • Acoustics
  • Human-Computer Interaction

Background:

  • Simulated spatial hearing experiments using headphones lack individual variability and complicate hearing device research.
  • Existing free-field systems for spatial hearing studies are often unavailable and require custom builds.
  • There is a need for adaptable research facilities to study spatial hearing in diverse populations.

Purpose of the Study:

  • To describe a customized spatial hearing research facility.
  • To enable research on individuals with normal hearing and hearing aid users.
  • To facilitate precise spatial acuity measurements.

Main Methods:

  • Development of a customized free-field system for spatial hearing experiments.
  • Implementation of a universal laboratory design for easy modification.
  • Custom design of signal processing and response acquisition systems using MATLAB.

Main Results:

  • The facility allows for spatial acuity assessment with 10-degree precision in the horizontal plane.
  • The universal design permits effortless modifications to suit various experimental needs.
  • Custom-designed MATLAB systems manage signal processing and data acquisition.

Conclusions:

  • The presented spatial hearing facility is a versatile and adaptable resource for auditory research.
  • This setup effectively supports the investigation of spatial hearing in both normal-hearing individuals and hearing aid users.
  • The system's precision and customizability make it valuable for advancing spatial hearing science.