AES Store

Journal Forum

Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
4 comments

Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
9 comments

New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
1 comment

Access Journal Forum

AES E-Library

The Design of Distributed Sound Systems from Uniformity of Coverage and Other Sound-Field Considerations

The sound distribution on a plane normal to the axis of a single loudspeaker can be approximated by a simple equation with known constants. The sound distribution on the listening plane of distributed systems can then be found. Maximum and minimum direct sound pressure levels, relative to the axial values of a single loudspeaker, and their differences can also be expressed as simple equations with known constants along with the density in the number of loudspeakers per -6-dB coverage circle area. A method is given for designing distributed sound systems to satisfy a given maximum or minimum sound pressure level relative to the axial level of a single loudspeaker or a given uniformity of coverage. A previous restriction of only six available combinations of loudspeaker patterns and degrees of overlap is removed by replacing such combinations by loudspeaker density, even though it is not necessary to know the density to use the method, and there need be no direct reference to it or the degree of overlap. Two transparent overlays are used with appropriately scaled room drawings giving a short design time and design flexibility. Values of all constants needed for the simple calculations and the planar -6-dB coverage angles and radii are tabulated for a selection of loudspeakers. Worked examples are included.

Author:
Affiliation:
JAES Volume 30 Issue 12 pp. 871-881; December 1982
Publication Date:

Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!


 
Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society