What question did this study set out to answer?

This research aims to assess the accuracy of ear-canal reflectance measurements using an updated acoustic horn design.

Evaluating measurement accuracy of ear-canal reflectance using a conical horn

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Randomized trial evaluates measurement accuracy of ear-canal reflectance in diagnostic audiology, implying potential for clinical adoption.

This research aims to assess the accuracy of ear-canal reflectance measurements using an updated acoustic horn design.
Developed a new conical horn as a reference waveguide for measurement validation.
Conducted quantitative comparisons of reflectance measurements against the horn's analytic solution.
Utilized six 3D-printed horns for testing and verification processes.
Achieved Pearson correlations of reflectance measurements ranging from 0.98 to 0.99.
Recorded maximum absolute deviations in reflectance magnitudes below 0.02.
Demonstrated the potential for the horn design to serve as a reference standard for validating acoustic measurements.

Hajicek et al. (2026) studied this question.

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Randomized trial evaluates measurement accuracy of ear-canal reflectance in diagnostic audiology, implying potential for clinical adoption.