麦克风阵列声源定位系统的研究

随着多媒体技术的进一步发展,语音接收和声音信号处理得到了日益广泛的关注和应用,而声源的定位和声源增强是实现语音增强,语音识别的前提和基础.基于麦克风阵列的声源定位技术由于其广泛的应用前景得到了众多学者的关注.单个麦克风接收到的信息量较少,缺少声源定位所需要的信息,而麦克风阵列克服了上述的缺点,利用了各麦克风信号之间信号的相关性对数据进行相关分析和处理从而实现声源的定位.文中阐述了麦克风阵列声源定位的原理,推导计算目标方位角、俯仰角以及距离的计算公式;阐述了硬件系统的组成以及各个部分的作用并通过实验进行了系统的测试,通过对测试数据的分析得出麦克风阵列声源定位系统能够实现声源的快速定位.

Research on Microphone Array Sound Source Location System

With the further development of multimedia technology,Voice reception and voice signal processing has been increasingly widespread attention and application,The sound source location and sound source enhancement is the premise and foundation of the achieve voice enhancement, voice recognition. Based on the microphone array of sound source positioning technology has been concerned by many scholars because of Its widely application. A single microphone receives less information, Missing information required for sound source location, While the microphone array overcomes these shortcomings, Using the correlation between the signals of the microphone signals to analyze and deal with the data in order to achieve the positioning of the sound source. This paper describes the principle of microphone array sound source location, Derive the calculated target azimuth、Pitch angle and distance of the calculation formula; The composition of the hardware system and the role of each part is described, And the system was tested by experiment, Through the analysis of test data, it is concluded that the microphone array sound localization system can realize the rapid localization of sound source.