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A Method to Study Adaptation to Left-Right Reversed Audition

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Auditory localization: a comprehensive practical review.

Alessandro Carlini¹, Camille Bordeau¹, Maxime Ambard¹

¹Laboratory for Research on Learning and Development (LEAD), CNRS UMR, Université de Bourgogne, Dijon, France.

Frontiers in Psychology

|July 25, 2024

Summary

This summary is machine-generated.

This review explores how humans pinpoint sound origins using acoustic cues like Interaural Time Difference and Interaural Level Difference. It details perceptual mechanisms, limits, and practical applications for auditory research.

Keywords:

HRTF ILD ITD acoustics action perception coupling auditory localization

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Area of Science:

Auditory perception
Psychoacoustics
Human spatial orientation

Background:

Auditory localization is crucial for navigating and interacting with the environment.
Understanding sound source location relies on complex perceptual mechanisms.
Existing literature provides fragmented insights into auditory localization cues and processes.

Purpose of the Study:

To offer a comprehensive overview of auditory localization mechanisms and acoustic cues.
To analyze monaural and binaural processing in three-dimensional space.
To discuss factors influencing localization, including reverberation and motion.

Main Methods:

Review of established psychoacoustic principles and auditory neuroscience.
Analysis of acoustic cues: Interaural Time Difference (ITD), Interaural Level Difference (ILD), and Head-Related Transfer Function (HRTF).
Examination of secondary factors like environmental acoustics and sound source dynamics.

Main Results:

Detailed explanation of ITD, ILD, and HRTF in sound localization.
Assessment of perceptual limitations for each localization mechanism.
Exploration of spatial reference systems and experimental methodologies.

Conclusions:

Auditory localization is a multi-faceted ability influenced by various acoustic and environmental factors.
The review consolidates knowledge on auditory localization for experimental and practical applications.
Understanding these mechanisms aids in fields ranging from audiology to virtual reality development.