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Related Experiment Video

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A Method to Study Adaptation to Left-Right Reversed Audition

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Published on: October 29, 2018

Web-based psychoacoustics of binaural hearing: Two validation experiments.

Z Ellen Peng¹, Emily A Burg¹, Tanvi Thakkar¹

¹Waisman Center, University of Wisconsin-Madison, Madison, Wisconsin 53715, USA.

The Journal of the Acoustical Society of America

|August 9, 2023

Summary

Web-based psychoacoustics testing effectively assesses binaural hearing in young adults. Online studies yield results comparable to in-lab tests, confirming the viability of remote auditory research.

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Area of Science:

Auditory Neuroscience
Psychoacoustics
Human Hearing Research

Background:

Traditional psychoacoustics research is lab-based, limiting accessibility.
Web-based testing offers logistical advantages for broader participation.
Data quality in online binaural hearing tests requires validation.

Purpose of the Study:

To evaluate the validity of web-based psychoacoustics testing.
To compare online and in-lab results for binaural hearing tasks.
To assess the feasibility of remote auditory research.

Main Methods:

Replicated two in-lab experiments using an online platform.
Tested lateralization to interaural time and level differences (ITD/ILD).
Assessed speech unmasking in dichotic and contralateral conditions.

Main Results:

Online lateralization data closely matched in-lab findings.
Speech unmasking differences between online and in-lab were minimal (<1 dB).
Online speech reception thresholds were slightly higher than in-lab results.

Conclusions:

Web-based psychoacoustics testing is a viable method for young, normal-hearing adults.
Online platforms can reliably assess binaural hearing abilities.
Considerations for online study design are crucial for data integrity.