声柱的演变与发展

The Evolution and Development of Sound Column

介绍了声柱的基本概念、种类和指向性,重点分析了自然指向性、全指向性、恒指向性、可调可控指向性四种典型的指向特性。回顾了声柱的历史演变,展望了声柱的未来发展趋势。

The basic concepts, types and directivity characteristics of sound column are introduced, and four typical directivity characteristics including natural directivity, omni-directivity, constant directivity, and adjustable and controllable directivity are analyzed. The historical evolution of the sound column is reviewed, and the future development trend of the sound column is prospected.