Subwoofer Arrays: a Practical Guide
Subwoofer Arrays A Practical Guide VVVeVeeerrrrssssiiiioooonnnn 111 EEElEllleeeeccccttttrrrroooo----VVVVooooiiiicccceeee,,,, BBBuBuuurrrrnnnnssssvvvviiiilllllleeee,,,, MMMiMiiinnnnnneeeessssoooottttaaaa,,,, UUUSUSSSAAAA AAApAppprrrriiiillll,,,, 22202000009999 © Bosch Security Systems Inc. Subwoofer Arrays A Practical Guide Jeff Berryman Rev. 1 / June 7, 2010 TABLE OF CONTENTS 1. Introduction .......................................................................................................................................................1 2. Acoustical Concepts.......................................................................................................................................2 2.1. Wavelength ..........................................................................................................................................2 2.2. Basic Directivity Rule .........................................................................................................................2 2.3. Horizontal-Vertical Independence...................................................................................................3 2.4. Multiple Sources and Lobing ...........................................................................................................3 2.5. Beamforming........................................................................................................................................5 3. Gain Shading....................................................................................................................................................6
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