Opens in a new tab

AES E-Library

← Back to search

Convention Paper

Inverse Distance Weighting for Extrapolating Balloon-Directivity-Plots

Authors: Panzer, Joerg; Ponteggia, Daniele

AES Convention 131 · Paper 8473 · October 2011

Abstract

This paper investigates an extrapolation for missing directivity-data in connection with Balloon-Plots. Such plots display the spherical directivity-pattern of radiators and receivers in form of contoured sound pressure levels. Normally the directivity-data are distributed evenly so that at each point of the display-sphere there

would be sufficient data-points. However, there are circumstances where we want to display data that are not evenly distributed. For example, there might be only available the horizontal and vertical scans. The proposed Inverse Distance Weighting method is a means to extrapolate into these gaps. This paper explains this method and demonstrates some examples.

Details

Published in
AES Convention 131
AES Convention
131
Paper number
8473
Publication date
October 6, 2011
Session subject
Loudspeakers
Affiliation
Audiomatica Srl, Firenze, Italy; R&D Team, Salgen, Germany (See document for exact affiliation information.)
Type
Convention Paper