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基于阵列抗串扰自适应噪声抵消与谱相减相结合的语音增强 被引量：5

Speech enhancement based on array cross-talk resistant adaptive noise cancellation and spectral subtraction
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摘要 基于传声器阵的语音增强对于语音通信及语音识别具有重要意义,减小传声器阵的孔径并提高其语音增强的效果将十分有利于扩大其应用范围。为此给出一种阵列抗串扰自适应噪声抵消方法,并将其与改进的谱相减技术相结合。分析与实验表明,该方案使增强语音的信噪比有了较大提高,所需的阵列孔径很小,而且还适用于多种噪声环境,并易于实时实现。 Microphone array-based speech enhancement has great importance for speech communications and speech recognition. To reduce the aperture of the microphone array and to increase the effect of the speech enhancement will greatly broaden the application areas of the microphone array. An array crosstalk resistant adaptive noise cancellation method is therefore presented. And then an improved spectral subtraction algorithm is further cascaded to obtain better enhancement results. Theoretic analysis and experiments indicate that the proposed scheme needs only a very small microphone array while it simultaneously achieves a higher SNR improvement. Besides, the proposed scheme can be used in many noisy environments and is easy for real-time implementation.
作者 曾庆宁 欧阳缮
机构地区 西安电子科技大学通信工程学院 桂林电子科技大学信息与通信学院
出处 《声学学报》 EI CSCD 北大核心 2007年第3期250-257,共8页 Acta Acustica
基金 国家自然科学基金(60272038) 广西留学回国人员基金(0639028) 全国优秀博士学位论文作者基金(200239)
关键词 自适应噪声抵消 语音增强 谱相减 阵列 串扰 传声器阵 语音识别 语音通信 Adaptive antenna arrays Crosstalk Microphones Noise abatement Speech recognition
分类号 O422.8 [理学—声学]
  • 相关文献

参考文献12

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二级参考文献7

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共引文献13

同被引文献35

  • 1赵贤宇,王作英.用于语音识别的鲁棒自适应麦克风阵列算法[J].清华大学学报（自然科学版）,2004,44(10):1433-1436. 被引量：5
  • 2何成林,杜利民,马昕.麦克风阵列语音增强的研究[J].计算机工程与应用,2005,41(24):1-5. 被引量：2
  • 3王冬霞,殷福亮.联合波束形成与谱减法的麦克风阵列语音增强算法[J].大连理工大学学报,2006,46(1):121-126. 被引量：7
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引证文献5

二级引证文献10

声学学报
2007年 第3期

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