【作者】 邹月娴； 肖仕杰； 赵璟； 万波； 向军；

【Author】 Zou Yuexian Xiao Shijie Zhao Jing Wan Bo Xiang Jun (Key Laboratory of Integrated MicrosystemsShenzhen Graduate School of Peking University Shenzhen 518055)

【机构】 北京大学深圳研究生院集成微系统科学工程与应用重点实验室；

【摘要】 本文提出了平均互相关功率谱相位时延估计算法(ACCPSD-TDE),通过采用平均互相关功率谱降低噪声对定位精度的影响,以及采用互相关功率谱谱峰增强技术准确提取相应的线性相位,实现了提高声源定位的精度和鲁棒性的目的。并开发了四通道实时声源定位系统,测试结果表明本文提出的算法和所实现的系统在噪声环境中具有良好的实时定位性能。更多还原

【Abstract】 This paper proposes an averaged cross correlation power spectrum-TDE(ACCPSD-TDE) algorithm. which applies averaging cross correlation power spectrum to decrease the impact from noise and applies an spectrum peak enhancement technique on the noise-removed cross correlation power spectrum to get the better linear phase information.Furthermore,a four-channel real-time sound localization system is designed and implemented.The testing results have shown that our developed system is able to provide online good sound localization precision in noisy environment.更多还原