[图书][B] Acoustic absorbers and diffusers: theory, design and application

T Cox, P d'Antonio - 2016 - taylorfrancis.com
This definitive guide covers the design and application of absorbers and diffusers in
acoustics. Surface diffusion is a relatively young subject area, and diffuser design …

The image edge model

A Erraji, J Stienen, M Vorländer - Acta Acustica, 2021 - acta-acustica.edpsciences.org
Noise from traffic, industry and neighborhood is a prominent feature in urban environments.
In these environments, sound reaches receiver points through reflections and diffractions …

A universal filter approximation of edge diffraction for geometrical acoustics

C Kirsch, SD Ewert - IEEE/ACM Transactions on Audio, Speech …, 2023 - ieeexplore.ieee.org
Sound propagation in urban and indoor environments often involves diffraction at corners,
finite objects and openings, resulting in perceptually relevant frequency-dependent …

An integral equation formulation for the diffraction from convex plates and polyhedra

A Asheim, U Peter Svensson - The Journal of the Acoustical Society of …, 2013 - pubs.aip.org
A formulation of the problem of scattering from obstacles with edges is presented. The
formulation is based on decomposing the field into geometrical acoustics, first-order, and …

[PDF][PDF] Fast time-domain edge-diffraction calculations for interactive acoustic simulations

PT Calamia, UP Svensson - EURASIP Journal on Advances in Signal …, 2006 - Springer
The inclusion of edge diffraction has long been recognized as an improvement to
geometrical-acoustics (GA) modeling techniques, particularly for acoustic simulations of …

[PDF][PDF] Frequency-domain edge diffraction for finite and infinite edges

UP Svensson, PT Calamia… - Acta acustica united with …, 2009 - academia.edu
The classical problem of edge diffraction (ED) from an infinite wedge of arbitrary angle
insonified by a point source has various analytical frequency-domain solutions dating back …

Identification of auditory cues utilized in human echolocation—Objective measurement results

T Papadopoulos, DS Edwards, D Rowan… - … Signal Processing and …, 2011 - Elsevier
We present objective measurements of source-to-ear responses obtained in a previously
established experimental paradigm of human echolocation. We identify and analyze the …

Approximate diffraction modeling for real-time sound propagation simulation

L Pisha, S Atre, J Burnett, S Yadegari - The Journal of the Acoustical …, 2020 - pubs.aip.org
Convincing simulation of diffraction around obstacles is critical in modeling sound
propagation in virtual environments. Due to the computational complexity of large-scale …

Perceptual evaluation of low-complexity diffraction models from a single edge

J Mannall, O Das, P Calamia, E De Sena - Audio Engineering Society …, 2022 - aes.org
Geometric acoustic models have a lower computational complexity than wave-based
methods due to the assumption that sound propagates as rays, however this fails to consider …

Efficient finite-edge diffraction using conservative from-region visibility

L Antani, A Chandak, M Taylor, D Manocha - Applied Acoustics, 2012 - Elsevier
We present a fast algorithm to accelerate geometric sound propagation in complex 3D
scenes. Our approach computes propagation paths from each source to the listener by …