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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.

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Related Experiment Video

Updated: May 28, 2026

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

Published on: March 13, 2026

Firefighters' Expertise in Locating Sounds.

Isabel Tissieres^1,2, Stephanie Clarke¹, Sonia Crottaz-Herbette¹

¹Service Universitaire de Neuroréhabilitation, CHUV|Centre Hospitalier Universitaire Vaudois, Faculté de Biologie et de Médecine, Université de Lausanne, 1011 Lausanne, Switzerland.

|May 27, 2026

Summary

This summary is machine-generated.

Professional firefighters demonstrate superior sound localization skills compared to civilians, even with distracting noises. This auditory spatial cue expertise is crucial for their safety and effectiveness in low-visibility rescue operations.

Keywords:

auditory expertise auditory space firefighters sound localisation sound object segregation spatial cues

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Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

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Published on: December 20, 2024

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Last Updated: May 28, 2026

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners

Published on: March 13, 2026

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

Sound Source Localization Testing in Single-sided Deafness Following Bone Conduction Intervention

Published on: December 20, 2024

Area of Science:

Auditory perception
Spatial cognition
Human factors engineering

Background:

Firefighters operate in low-visibility conditions, requiring strong spatial orientation.
Their expertise in wayfinding is established, but auditory spatial cue utilization remains unstudied.

Purpose of the Study:

To investigate firefighters' ability to use auditory spatial cues for sound localization.
To compare the sound localization performance of firefighters and control groups.

Main Methods:

Assessed sound localization accuracy in a dark environment across 9 azimuthal positions.
Used both single, meaningless sounds and meaningful sounds with distractors.
Analyzed localization errors using a 3-way ANOVA (Task × Position × Group).

Main Results:

Firefighters exhibited significantly fewer localization errors than controls.
Localization accuracy improved with central sound positions and with single, meaningless sounds.
Firefighters showed enhanced performance at peripheral sound locations and when segregating sounds from distractors.

Conclusions:

Professional firefighters possess superior auditory spatial cue utilization skills compared to controls.
This expertise is vital for both explicit sound identification and implicit spatial awareness.
Firefighter proficiency in auditory spatial localization should inform operational planning and safety protocols.