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

Elements and Compounds01:27

Elements and Compounds

103.6K
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond.
Elements
Elements are classified as atomic or molecular based on the nature of their basic units. They are unique forms of matter with specific chemical and physical properties that cannot break down into smaller substances by ordinary chemical reactions. There...
103.6K
Periodic Classification of the Elements04:00

Periodic Classification of the Elements

58.8K
The periodic table arranges atoms based on increasing atomic number so that elements with the same chemical properties recur periodically. When their electron configurations are added to the table, a periodic recurrence of similar electron configurations in the outer shells of these elements is observed. Because they are in the outer shells of an atom, valence electrons play the most important role in chemical reactions. The outer electrons have the highest energy of the electrons in an atom...
58.8K
Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

24.1K
Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
24.1K
Classification of Elements and Compounds02:54

Classification of Elements and Compounds

73.0K
Pure substances consist of only one type of matter. A pure substance can be an element or a compound. An element consists of only one type of atom, while a compound consists of two or more types of atoms held together by a chemical bond. Elements are classified as atomic or molecular based on the nature of their basic units.
Compounds are pure substances composed of two or more elements in fixed, definite proportions. Compounds are classified as ionic or molecular (covalent) based on the bonds...
73.0K
Areas Within Irregular Boundaries01:26

Areas Within Irregular Boundaries

349
Calculating areas within irregular boundaries, such as along rivers or curved roads, is crucial in various fields, including surveying, engineering, and environmental management. Surveyors often begin by creating a traverse, a connected series of straight lines approximating the area's boundary. The coordinates of each traverse point are essential for calculating the enclosed area. The double meridian distance formula is a widely used technique for this purpose. This method utilizes the...
349
Receiver Operating Characteristic Plot01:15

Receiver Operating Characteristic Plot

480
A ROC (Receiver Operating Characteristic) plot is a graphical tool used to assess the performance of a binary classification model by illustrating the trade-off between sensitivity (true positive rate) and specificity (false positive rate). By plotting sensitivity against 1 - specificity across various threshold settings, the ROC curve shows how well the model distinguishes between classes, with a curve closer to the top-left corner indicating a more accurate model. The area under the ROC curve...
480

You might also read

Related Articles

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

Sort by
Same author

Simulating acoustic scattering from atmospheric temperature fluctuations using a k-space method.

The Journal of the Acoustical Society of America·2014
Same author

A transient boundary element method model of Schroeder diffuser scattering using well mouth impedance.

The Journal of the Acoustical Society of America·2008
See all related articles

Related Experiment Video

Updated: Jan 25, 2026

Author Spotlight: Advancing Biotherapeutic Mass Calculation by Introducing mAbScale, a Python-Based Desktop Application
04:24

Author Spotlight: Advancing Biotherapeutic Mass Calculation by Introducing mAbScale, a Python-Based Desktop Application

Published on: June 16, 2023

2.3K

A framework for auralization of boundary element method simulations including source and receiver directivity.

Jonathan A Hargreaves1, Luke R Rendell1, Yiu W Lam1

  • 1Acoustics Research Group, Newton Building, University of Salford, Salford, M5 4WT, United Kingdom.

The Journal of the Acoustical Society of America
|May 4, 2019
PubMed
Summary

The Boundary Element Method (BEM) accurately predicts room acoustics for virtual spaces, especially when including source and receiver directivity. Validation showed close matches in anechoic conditions, with discrepancies in reverberant spaces likely due to material data uncertainty.

More Related Videos

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

3.1K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

900

Related Experiment Videos

Last Updated: Jan 25, 2026

Author Spotlight: Advancing Biotherapeutic Mass Calculation by Introducing mAbScale, a Python-Based Desktop Application
04:24

Author Spotlight: Advancing Biotherapeutic Mass Calculation by Introducing mAbScale, a Python-Based Desktop Application

Published on: June 16, 2023

2.3K
Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes
06:34

Finite Element Modeling for the Simulation of the Quasi-Static Compression of Corrugated Tapered Tubes

Published on: January 6, 2023

3.1K
Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss
07:12

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

Published on: April 11, 2025

900

Area of Science:

  • Acoustics
  • Computational Mechanics
  • Numerical Analysis

Background:

  • Room acoustic transfer functions are crucial for virtual space auralization.
  • The Boundary Element Method (BEM) is a numerical tool for these computations.
  • Source and receiver directivity are important but often overlooked factors in auralization.

Purpose of the Study:

  • To validate the Boundary Element Method (BEM) for room acoustic transfer functions, incorporating source and receiver directivity.
  • To assess BEM accuracy against experimental data from the 'Ground Truth for Room Acoustical Simulation' database.
  • To evaluate the impact of directivity on the accuracy of virtual acoustic simulations.

Main Methods:

  • Utilized a framework employing weighted sums of spherical harmonic functions to model source directivity and receiver pressure fields.
  • Represented source directivity by fitting coefficients to measured data.
  • Computed receiver pressure fields directly from boundary data via boundary integral evaluation.
  • Included a binaural receiver in one of the validation cases.

Main Results:

  • BEM predictions showed close agreement with measurements in anechoic conditions.
  • Significant differences were observed in a reverberant room scenario.
  • The accuracy in the reverberant case was likely limited by uncertainties in boundary material data.

Conclusions:

  • The Boundary Element Method (BEM), when accounting for source and receiver directivity, is a valid tool for room acoustic transfer function computation and auralization.
  • Accurate boundary material data is essential for achieving high fidelity in BEM simulations of reverberant spaces.
  • Further research may focus on improving the characterization of boundary materials for enhanced BEM accuracy.