Opens in a new tab

AES E-Library

← Back to search

Convention Paper

Measurement and Visualization of Sound Intensity Vector Distribution in Proximity of Acoustic Diffusers

Authors: Kurowski, Adam; Kotus, József; Kostek, Bozena

AES Convention 142 · Paper 9709 · May 2017

Abstract

In this work, we would like to present analyses and visualizations of sound intensity distribution measured in proximity of an acoustic diffuser. Such distribution may be used for estimation of basic acoustic parameters of a diffuser. Measurement is performed with the use of a logarithmic sine sweep that allows for the analysis of waves scattered by the diffuser and rejecting the direct sound signal component. Pressure and sound intensity vector impulse responses are measured simultaneously. The measurement is carried out for a grid of 37 points arranged at equal intervals lying in a semicircle. To investigate the impact of objects evaluated on the sound wave propagation diffusion coefficients and sound intensity vector distributions are then compared.

Details

Published in
AES Convention 142
AES Convention
142
Paper number
9709
Publication date
May 6, 2017
Session subject
Posters: Room Recording, and Listening
Affiliation
Gdansk University of Technology, Gdansk, Poland (See document for exact affiliation information.)
Type
Convention Paper