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改進的SRP-PHAT聲源定位方法

譚穎 殷福亮 李細林

譚穎, 殷福亮, 李細林. 改進的SRP-PHAT聲源定位方法[J]. 電子與信息學報, 2006, 28(7): 1223-1227.
引用本文: 譚穎, 殷福亮, 李細林. 改進的SRP-PHAT聲源定位方法[J]. 電子與信息學報, 2006, 28(7): 1223-1227.
Tan Ying, Yin Fu-liang, Li Xi-lin. Sound Localization Method Using Modified SRP-PHAT Algorithm[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1223-1227.
Citation: Tan Ying, Yin Fu-liang, Li Xi-lin. Sound Localization Method Using Modified SRP-PHAT Algorithm[J]. Journal of Electronics & Information Technology, 2006, 28(7): 1223-1227.

改進的SRP-PHAT聲源定位方法

Sound Localization Method Using Modified SRP-PHAT Algorithm

  • 摘要: 基于聯(lián)合可控響應功率和相位變換(SRP-PHAT)的傳聲器陣列聲源定位方法是一種魯棒的聲源定位方法。該方法在弱噪聲和適度混響的環(huán)境下,可以獲得較精確的波達方向角(DOA)估計,但在低信噪比或強混響的環(huán)境下,該方法的性能并不理想,而且龐大的運算量也限制了其在實時定位系統(tǒng)中的應用。針對這兩方面的問題,本文提出了一種改進的SRP-PHAT傳聲器陣列聲源定位方法,從而使定位方法的運算量大大降低。仿真實驗表明,改進的SRP-PHAT定位方法即使在噪聲干擾較大和混響影響較嚴重的環(huán)境下,仍具有較高的定位精度。
  • Wang Qinghua, Ivanov T, Aarabi P. Acoustic Robot Navigation using Distributed Microphone Arrays[J].Information Fusion.2004, Vol.5:131-140[2]Potamitis I, Chen Huimin, Tremoulis G. Tracking of Multiple Moving Speakers with Multiple Microphone Arrays[J].IEEE Trans. on speech and audio processing.2004, 12(5):520-[3]Brandstein M. A framework for speech source localization using sensor arrays. Doctoral Dissertation, Brown University, May 1995.[4]DiBiase J. A high-accuracy, low-latency technique for talker localization in reverberant environments. PhD thesis, Brown University, Providence RI, USA, May 2000.[5]Kinsler L.[J].Frey A, Coppens A, Sanders J. Fundamentals of Acoustics. Third edition, New York: John Wiley Sons.1982,:-[6]Ziomaek L. Fundamentals of Acoustic Field Theory and Space-Time Signal Processing. Boca Raton, FL: CRC Press, 1995: 210-248.[7]Huang Jie, Ohnishi N, Sugie N. Modeling the precedence effect for sound localization in reverberant environment. IEEE Instrumentation and Measurement Technology Conference, Brussels, June 1996: 633-636.[8]Svaizer P, Matassoni M, Omologo M. Acoustic source location in a three-dimensional space using crosspower spectrum phase. in Proc. IEEE Int. Conf. Acoust.,Speech, Signal Processing (ICASSP-97), Munich, Germany, April 1997:231-234.[9]Hahn W, Tretter S. Optimum processing for delay vector estimation in passive signal arrays[J].IEEE Trans. on Information Theory.1973, 19 (1):608-[10]Allen J B, Berkley D A. Image method for efficiently simulating small room acoustics[J].Journal of Acoustical Society of America.1979, 65(4):943-[11]Brandstein M, Adcock J, Silverman H. Microphone array localization error estimation with application to sensor placement. J. Acoust. Soc. Am., April 1997, 99(6): 251-254.
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  • 收稿日期:  2004-08-13
  • 修回日期:  2006-03-31
  • 刊出日期:  2006-07-19

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