Investigation of Indoor Performance of Bass Directivity Control Techniques.

Authors: Shabalina, Elena
Publication Date: 15.03.2010
Permalink: pub.dega-akustik.de/DAGA_2010/data/articles/000348.pdf

Abstract:
The paper investigates the performance of low frequency loudspeakers in large sound reinforcement systems. The key task for sound amplification system design is to provide an even sound pressure level distribution on the whole listening area with the same frequency response, reduce noise level on the stage and radiation in wrong directions. This can be quite challenging in low frequency domain due to low subwoofers directivity, strong interference between clusters in common left/right setup and room modes. The present work, being the beginning of a bigger project, aims to investigate indoor performance of some common outdoors bass directivity control techniques and to define further steps to improve low frequency sound reproduction in large venues.