Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Perceiving Loudness, Pitch, and Location

Perceiving Loudness, Pitch, and Location

The human brain perceives pitch through two primary mechanisms reflected in place theory and frequency theory. Each mechanism describes how sound waves are interpreted as specific pitches by the brain, offering insights into the intricate processes of auditory perception.
Place theory, or place coding, suggests that different pitches are heard because various sound waves activate specific locations along the cochlea's basilar membrane. The brain determines the pitch of a sound by...

Distance Measurements by Taping

Distance Measurements by Taping

Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...

Design Example: Measuring Distance Between Two Points with Obstructions

Design Example: Measuring Distance Between Two Points with Obstructions

When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Ego4D: Around the World in 3,600 Hours of Egocentric Video.

IEEE transactions on pattern analysis and machine intelligence·2024

Same author

Speech intelligibility with various head-related transfer functions: A computational modelling approach.

JASA express letters·2022

Same author

Sound Source Selection Based on Head Movements in Natural Group Conversation.

Trends in hearing·2022

Same author

Negative impacts from latency masked by noise in simulated beamforming.

PloS one·2021

Same author

Conversation in small groups: Speaking and listening strategies depend on the complexities of the environment and group.

Psychonomic bulletin & review·2020

Same author

On the Interaction of Head and Gaze Control With Acoustic Beam Width of a Simulated Beamformer in a Two-Talker Scenario.

Trends in hearing·2019

Search research articles

Related Experiment Video

Updated: Aug 27, 2025

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

A framework for designing head-related transfer function distance metrics that capture localization perception.

Ishwarya Ananthabhotla¹, Vamsi Krishna Ithapu², W Owen Brimijoin²

¹MIT Media Lab, 75 Amherst Street, Cambridge, Massachusetts, USA.

JASA Express Letters

|September 26, 2022

Summary

This study introduces a machine learning framework to create a perceptual error metric for head-related transfer functions (HRTFs). This new metric aligns better with human sound localization than standard methods.

More Related Videos

A Method to Study Adaptation to Left-Right Reversed Audition

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

Localizing Function-specific Targets for Transcranial Magnetic Stimulation in the Absence of Navigation Equipment

Localizing Function-specific Targets for Transcranial Magnetic Stimulation in the Absence of Navigation Equipment

Published on: May 23, 2025

Related Experiment Videos

Last Updated: Aug 27, 2025

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

A Psychophysics Paradigm for the Collection and Analysis of Similarity Judgments

Published on: March 1, 2022

A Method to Study Adaptation to Left-Right Reversed Audition

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

Localizing Function-specific Targets for Transcranial Magnetic Stimulation in the Absence of Navigation Equipment

Localizing Function-specific Targets for Transcranial Magnetic Stimulation in the Absence of Navigation Equipment

Published on: May 23, 2025

Area of Science:

Acoustics
Machine Learning
Psychoacoustics

Background:

Linear comparisons of head-related transfer functions (HRTFs) inadequately capture perceptual differences.
This limitation hinders applications in perceptual testing, HRTF selection, and predictive modeling.

Purpose of the Study:

To develop a machine learning framework for a perceptual error metric for HRTFs.
To align this metric with human sound localization performance.

Main Methods:

A neural network was trained on a large HRTF database to predict measurement locations.
The network was subsequently fine-tuned using perceptual data.
A statistical test was used to assess information gain from perceptual observations.

Main Results:

The proposed perceptual error metric demonstrated robust performance.
It outperformed a standard spectral difference error metric.

Conclusions:

The developed machine learning framework provides a more perceptually aligned error metric for HRTFs.
This advancement improves the utility of HRTFs in various auditory research and application domains.