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Volume 26 Issue 1
Jan.  2004
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Yan ZUO, Xuejiao LIU, Dongliang PENG. UAV Path Planning for AOA-based Source Localization with Distance-Dependent Noises[J]. Journal of Electronics & Information Technology, 2021, 43(4): 1192-1198. doi: 10.11999/JEIT200078
Citation: Ma Xiao-hong, Lu Xiao-yan, Yin Fu-liang. Time Delay Estimation by Using Modified Crosspower Spectrum Phase Technique[J]. Journal of Electronics & Information Technology, 2004, 26(1): 53-59.

Time Delay Estimation by Using Modified Crosspower Spectrum Phase Technique

  • Received Date: 2002-07-22
  • Rev Recd Date: 2002-12-16
  • Publish Date: 2004-01-19
  • The Crosspower Spectrum Phase (CSP) technique is a well known time delay estimation method. A relatively precise time delay estimation can be achieved by using it in the environment of weak noise and medium reverberation. The performance degrades sharply in the environment of low SNR and strong reverberation. The modified CSP algorithm is proposed in order to improve the performance of CSP. The weighting function of the proposed CSP method changes with the variation of SNR, and the time delay of arrival is accomplished via a weighted function of frames of CSP. Computer simulation results indicate that the proposed method will give satisfactory value of time delay estimation even in the environment of low SNR and strong reverberation.
  • Wang H.[J].Chu P. Voice source localization for automatic camera pointing system in videoconferencing. ICASSP97, Munich, Germany.1997,:-[2]Brandstein M S. A practical methodology for speech source localization with microphone arrays[J].Computer, Speech, and Language.1997, 11(2):91-126[3]Brandstein M S. A framework for speech source localization using sensor arrays. [Ph.D Dissertation], Brown University, 1995.[4]Silverman H F, Kirtman S E. A two-stage algorithm for determining talker location from linear microphone array data[J].Computer, Speech, and Language.1992, 6(2):129-152[5]Omologo M.[J].Svaizer P. Acoustic event localization using a crosspower spectrum phase based technique. ICASSP94, Adelaide, South Australia.1994,:-[6]Omologo M.[J].Svaizer P. Acoustic source location in noisy and reverberant environment using CSP analysis. ICASSP96, Atlanta, Georgia, USA.1996,:-[7]Allen J B, Berkley D A. Image method for efficiently simulating small room acoustics[J].Journal of Acoustical Society of America.1979, 65(4):943-950[8]Omologo M, Svaizer P. Use of the cross-power-spectrum phase in acoustic event localization[J].IEEE Trans. on Speech and Audio Processing.1997, 5(3):288-292[9]Rabinkin D, et al.. A DSP implementation of source location using microphone arrays. Report on Grant #MIP-9314625 to the NSF, July 1996.
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