期刊文献+

一种自适应波束形成语音增强方法实现

An adaptive beamforming method for speech ehancement
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摘要 本文利用阵列信号处理的波束形成理论,研究了基于Frost自适应波束形成的麦克风阵语音增强系统。和大多数文献都利用计算机仿真数据不同,本文是用真实环境下采集的数据,来验证算法。利用MATLAB计算结果表明,麦克风阵波束形成技术能有效去除背景噪声。 It is shown that Frost adaptive beamforming with micropho ne arrays can be used to significantly reduce the effects of noise and reverberation. The results show that speech recorded in real world can achieve 10DB above enhancement when the noise arrived at least 30 degrees off the speech direction.
作者 纪元法
出处 《仪器仪表用户》 2005年第6期106-107,共2页 Instrumentation
基金 国家自然科学基金资助项目(60272038)广西省自然科学基金资助项目(0141044)
关键词 麦克风阵 语音增强 microphone array, speech enhancement
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参考文献8

  • 1Sharon Gannot, David Burshtein, Ehud Weinstein. Signal Enhancement Using Beamforming and Nonstationarity with Applications to Speech. IEEE Transactions on Signal Processin g, Vol.49,NO.8,August 2001.
  • 2David K. Campbell. Master dissertation: adaptive beamforming using a microphone array for hands-free telephony, 1999.
  • 3Youngwook Ko, Jeff Foutz. Speech Enhancement Using Microphone Arrays. EEE607 Proiect Report, Spring 2001.
  • 4.[EB/OL].http://www.gnnetcom.com.cn/GNNetcom/PR_VoiceArray.htm,.
  • 5John E.Adcock. doctor dissertation: optimal filtering and speech recognition with microphone array, May 2001.
  • 6Hsien-Sen Hung, Shun-Hsyung Chang, Suan-Lin Chen, Chi-Wen Chang. Real Time Implementation of Frost Beamforming for Underwater Communications. Journal of Marine Science and Technology, Vol.7,No.1 ,pp. 1-7,1999.
  • 7O,L.Frost. An Algorithm for Linearly Constrained Adaptive Array Processing. Proceedings of IEEE,Vol.60,Aug, 1972.
  • 8Steven F. Boll, "Suppression of Acoustic Noise in Speech using Spectral Subtraction,"IEEE Trans. Acoust, Speech, Signal Processing, vol. ASSP-27, pp113-120, Apr, 1979.

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