| 相控阵扬声器系统 |
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| 引用本文： | 彭妙颜,王齐祥,王恒.相控阵扬声器系统[J].广州大学学报(自然科学版),2012,11(4):75-78. |
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| 作者姓名： | 彭妙颜 王齐祥 王恒 |
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| 作者单位： | 1. 广州大学声像灯光技术研究所,广东广州,510006
2. 广州市迪士普科技有很公司,广东广州,510145 |
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| 基金项目： | 广东省、教育部产学研科技项目(2009B090600034)资助 |
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| 摘 要： | 论述了相控阵扬声器系统的设计原理，结构、特色及工程应用．一般的扬声器系统，利用基于机械震动的物理、声学方法来获得良好性能，目前广为流行的线阵列扬声器系统，是将物理、声学技术发挥到极致，而相控阵扬声器系统则是将电子技术、数字技术、计算机技术、电声技术结合并创造性地运用DSP技术，研制适用的算法，对扬声器阵列中的所有单元的各个频段，分别进行适当的相位调控、音效处理，从而实现实时调控扬声器阵列辐射主瓣的辐射角、指向性和放声效果．
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| 关 键 词： | 相控阵扬声器 数字声频处理器 幅射角 指向性 |
The Phased-Array Speaker System |
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| PENG Miao-yan,WANG Ji-xiang,WANG Heng.The Phased-Array Speaker System[J].Journal og Guangzhou University:Natural Science Edition,2012,11(4):75-78. |
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| Authors: | PENG Miao-yan WANG Ji-xiang WANG Heng |
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| Institution: | 1.Insititue of Audio-Video Lighting Tech of Guangzhou University 510006,China; 2.Guangzhou DSPPA Aduio Co.Ltd 510145,China) |
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| Abstract: | The general speaker system,which is based on the mechanical vibrations and acoustic,acquires a good performance,and the current line-array speaker gives full play to the physics and acoustic at present,"Phased-Array Speaker System" combines the electronic technology,digital technology,computer technology and electroacoustic technology and use the DSP technology creatively,develops applicable algorithm for the phase control and sound processing at each frequency band,in order to control the radiation angle,directivity,sound effect of the main radiation lobe.The experts identified the system as "reach the international advanced level".The thesis discusses the design principle,structure,features and the engineering application of the "Phased Array Speaker System" which is a research project combined provincial ministry,education,production. |
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| Keywords: | phased-array speaker digital audio processor radiation angle directivity |
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