Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Impulse Response01:17

Impulse Response

The impulse response is the system's reaction to an input impulse. In an RC circuit, the voltage source is the input, and the capacitor's voltage is the output. The system's state and output response before and after input excitation are distinctly defined.
Kirchhoff's law forms an input signal equation, with the capacitor's current and voltage providing the output. Substituting the current and dividing by RC yields a differential equation. The output for an impulse input is the impulse...
Reconstruction of Signal using Interpolation01:10

Reconstruction of Signal using Interpolation

Signal processing techniques are essential for accurately converting continuous signals to digital formats and vice versa. When a continuous signal is sampled with a period T, the resulting sampled signal exhibits replicas of the original spectrum in the frequency domain, spaced at intervals equal to the sampling frequency. To handle this sampled signal, a zero-order hold method can be applied, which creates a piecewise constant signal by retaining each sample's value until the next sampling...
Discrete-Time Fourier Series01:20

Discrete-Time Fourier Series

The Discrete-Time Fourier Series (DTFS) is a fundamental concept in signal processing, serving as the discrete-time counterpart to the continuous-time Fourier series. It allows for the representation and analysis of discrete-time periodic signals in terms of their frequency components. Unlike its continuous counterpart, which utilizes integrals, the calculation of DTFS expansion coefficients involves summations due to the discrete nature of the signal.
For a discrete-time periodic signal x[n]...
IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations01:08

IR Spectrum Peak Splitting: Symmetric vs Asymmetric Vibrations

Identical bonds within a polyatomic group can stretch symmetrically (in-phase) or asymmetrically (out-of-phase). Similar to hydrogen bonding, these vibrations also influence the shape of the IR peak. Generally, asymmetric stretching frequencies are higher than symmetric stretching frequencies. For example, primary amines exhibit two distinct IR peaks between 3300–3500 cm−1 corresponding to the symmetric and asymmetric N-H stretching, while secondary amines exhibit a single stretching vibration...

You might also read

Related Articles

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

Sort by
Same author

On the selection of the number of beamformers in beamforming-based binaural reproduction.

EURASIP journal on audio, speech, and music processing·2022
Same author

Modal smoothing for analysis of room reflections measured with spherical microphone and loudspeaker arrays.

The Journal of the Acoustical Society of America·2018
Same author

Spectral equalization in binaural signals represented by order-truncated spherical harmonics.

The Journal of the Acoustical Society of America·2017
Same author

Design framework for spherical microphone and loudspeaker arrays in a multiple-input multiple-output system.

The Journal of the Acoustical Society of America·2017
Same author

Theory and investigation of acoustic multiple-input multiple-output systems based on spherical arrays in a room.

The Journal of the Acoustical Society of America·2015
Same author

Spatial perception of sound fields recorded by spherical microphone arrays with varying spatial resolution.

The Journal of the Acoustical Society of America·2013
Same journal

Interaction of near-wall bubble arrays with acoustic waves induced by an oscillating rigid wall.

The Journal of the Acoustical Society of America·2026
Same journal

Ultra-broadband underwater acoustic projector based on transverse resonance orthogonal beam (TROB) mode and acoustic matching layer technique.

The Journal of the Acoustical Society of America·2026
Same journal

Fine-scale quantitative analysis of bowhead whale (Balaena mysticetus) song shows varying stability of song types.

The Journal of the Acoustical Society of America·2026
Same journal

High-resolution depth estimation for multiple wideband sources in deep sea via sparse Bayesian learninga).

The Journal of the Acoustical Society of America·2026
Same journal

Depression markers in speech: An approach based on tract variables dynamics.

The Journal of the Acoustical Society of America·2026
Same journal

The oyster toadfish (Opsanus tau) alters active and diurnal calling amid vessel noise in New York City.

The Journal of the Acoustical Society of America·2026
See all related articles

Related Experiment Video

Updated: May 10, 2026

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
07:52

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

Published on: March 13, 2026

Spherical array processing for acoustic analysis using room impulse responses and time-domain smoothing.

Nejem Huleihel1, Boaz Rafaely

  • 1Department of Electrical and Computer Engineering, Ben-Gurion University of the Negev, Beer-Sheva 84105, Israel.

The Journal of the Acoustical Society of America
|June 8, 2013
PubMed
Summary
This summary is machine-generated.

This study introduces a novel time-domain smoothing method for direction of arrival (DOA) estimation in room acoustics. The new approach improves accuracy for analyzing room impulse responses (RIRs) compared to existing frequency-domain techniques.

More Related Videos

Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Related Experiment Videos

Last Updated: May 10, 2026

An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
07:52

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

Published on: March 13, 2026

Scattering And Absorption of Light in Planetary Regoliths
11:34

Scattering And Absorption of Light in Planetary Regoliths

Published on: July 1, 2019

Infant Auditory Processing and Event-related Brain Oscillations
06:34

Infant Auditory Processing and Event-related Brain Oscillations

Published on: July 1, 2015

Area of Science:

  • Acoustics
  • Signal Processing
  • Array Processing

Background:

  • Room impulse responses (RIRs) are crucial for room acoustics analysis.
  • Characterizing directions of arrival (DOA) of sound and reflections is a key objective.
  • Traditional spherical microphone array methods struggle with highly correlated sound fields.

Purpose of the Study:

  • To address the limitations of existing DOA estimation methods for RIRs.
  • To develop an improved method for analyzing complex acoustic environments.
  • To overcome rank deficiency issues in cross-spectrum matrices.

Main Methods:

  • A novel time-domain smoothing approach is proposed.
  • Utilizes the temporal characteristics of RIRs to separate early reflections.
  • Employs spherical-harmonics domain representation for signal analysis.

Main Results:

  • The proposed time-domain method demonstrates improved performance over frequency-domain smoothing.
  • Simulation and experimental studies validate the advantages of the new approach.
  • Effectively handles DOA estimation in the presence of correlated reflections.

Conclusions:

  • The time-domain smoothing method offers a more robust solution for DOA estimation from RIRs.
  • This technique enhances the analysis of spatial sound fields, particularly with low-order spherical arrays.
  • Provides a significant advancement for room acoustics analysis and spatial audio research.