Sound Systems: Design and Optimization

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Variation

variation n. 1. varying, departure from a former or normal condition or action or amount or from a standard or type, extent of this

variance n. 1. disagreement, difference of opinion, dispute, lack of harmony

Concise Oxford Dictionary

Introduction

In the beginning there was silence. Then there were speakers: single speakers, column speakers, ceiling speakers. Then there were clusters of horns and a few woofers. Then speakers got legs and learned to walk. Horns and woofers and subwoofers were each placed in boxes and stacked on stage. Then speakers got wings and learned to fly. They have been up in the air ever since. In the course ...