Improved steering based on the virtual extend method for the microphone array

被引：0
|
作者：
Yang J. [1 ]
Liu C. [2 ]
Cai X. [3 ]
机构：
[1] School of Communication and Information, Xi'an Univ. of Post & Telecommunication, Xi'an
[2] Research Inst. of Electronic Countermeasures, Xidian Univ., Xi'an
[3] Training Center, PLA 63893, Luoyang
来源：
| 2016年 / Science Press卷 / 43期
关键词：
Adaptive beamforming; Array virtual extend; Diagonal loading; Microphone array;
D O I：
10.3969/j.issn.1001-2400.2016.02.020
中图分类号：
学科分类号：
摘要：
For the broadband microphone array, how to maintain the consistency of optimal array processing in the whole frequency band is the key problem, so an efficient virtual array extending method is put forward. This method is not only suitable for the single source scenarios, but also suitable for the multi signal source scene. Therein, from the signal model and the theoretical derivation, the problem which is caused by array virtual extending is analyzed deeply, such as array error and difficulty of its realization, then a robust method based on diagonal loading is proposed, and the method of how to select the load level is also given. Finally, the processing performance of the proposed virtual array extension method is tested and verified by theoretical analysis and detailed simulation results, and the conclusion is obtained that virtual array extension can improve the adaptive beamformer performance effectively. The proposed method is not only used for the uniform linear array, but also can be applied to the adaptive array with an arbitrary configuration. © 2016, Science Press. All right reserved.
引用
收藏
页码：114 / 119
页数：5
相关论文
共 16 条
  • [1] Niwa K., Hioka Y., Furuya K., Et al., Diffused Sensing for Sharp Directive Beamforming, IEEE Transactions on Audio, Speech, and Language Processing, 21, 11, pp. 2346-2355, (2013)
  • [2] Crocco M., Trucco A., Stochastic and Analytic Optimization of Sparse Aperiodic Arrays and Broadband Beamformers With Robust Superdirective Patterns, IEEE Transactions on Audio, Speech, and Language Processing, 20, 9, pp. 2433-2447, (2012)
  • [3] Habets E.A.P., Benesty J., A Two-stage Beamforming Approach for Noise Reduction and Dereverberation, IEEE Transactions on Audio, Speech, and Language Processing, 21, 5, pp. 945-958, (2013)
  • [4] Hong J., Jeong S., Hahn M., Wiener Filter-based Echo Suppression Aand Beamforming For Intelligent TV Interface, IEEE Transactions on Consumer Electronics, 59, 4, pp. 825-832, (2013)
  • [5] Togami M., Kawaguchi Y., Takeda R., Et al., Optimized Speech Dereverberation From Probabilistic Perspective for Time Varying Acoustic Transfer Function, IEEE Transactions on Audio, Speech, and Language Processing, 21, 7, pp. 1369-1380, (2013)
  • [6] Zhao L.H., Benesty J., Chen J.D., Design of Robust Differential Microphone Arrays, IEEE/ACM Transactions on Audio, Speech, and Language Processing, 22, 10, pp. 1455-1466, (2014)
  • [7] Hu J.S., Lee M.T., Yang C.H., Robust Adaptive Beamformer for Speech Enhancement Using the Second-Order Extended H8 Filter, IEEE Transactions on Audio, Speech, and Language Processing, 21, 1, pp. 39-50, (2013)
  • [8] Maruo M.H., Bermudez J.C.M., Resende L.S., Statistical Analysis of a Jointly Optimized Beamformer-Assisted Acoustic Echo Canceler, IEEE Transactions on Signal Processing, 62, 1, pp. 252-265, (2014)
  • [9] Dogan M.C., Mendel J.M., Application of Cumulants to Array Processing-Part I: Aperture Extension and Array Calibration, IEEE Transactions on Signal Processing, 43, 5, pp. 1200-1216, (1995)
  • [10] Aktas M., Tuncer T.E., IteratiVe HoS-SOS (IHoSS) Algorithm for Direction-of Arrival Estimation and Sensor Localization, IEEE Transactions on Signal Processing, 58, 12, pp. 6181-6194, (2010)
12