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Development of the Audio Enhancement Method by Using the Reflected Signals in the Reverberant Environment

机译:在混响环境中利用反射信号开发音频增强方法

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摘要

This paper presents a new audio signal enhancement method based on reflection signal detection in the reverberant environment. This technique enhances the audio signal from the target sound source in time domain. The advantages of this technique are enhancing the target sound source by a simple algorithm and reducing the background noise effectively. The effects of distances between the speaker and microphone and the coefficient of correlation are discussed in this paper. The coefficient of correlation is rising from 0.17 to 0.63 as the distance between the speaker and microphone is varying from 30 to 90 cm. Also, some antinoise experiments are carried out in this study and the results show that the audio enhancement algorithm provides a good antinoise performance in different background noise levels.
机译:本文提出了一种在混响环境下基于反射信号检测的音频信号增强新方法。该技术在时域中增强了来自目标声源的音频信号。该技术的优点是通过简单的算法增强了目标声源,并有效降低了背景噪声。本文讨论了扬声器与麦克风之间的距离和相关系数的影响。随着扬声器和麦克风之间的距离从30厘米变化到90厘米,相关系数从0.17上升到0.63。此外,本研究还进行了一些抗噪实验,结果表明,音频增强算法在不同背景噪声水平下均具有良好的抗噪性能。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第20期|385196.1-385196.6|共6页
  • 作者单位

    Natl Yunlin Univ Sci & Technol, Dept Mech Engn, Touliu 64002, Yunlin, Taiwan;

    Natl Yunlin Univ Sci & Technol, Dept Mech Engn, Touliu 64002, Yunlin, Taiwan;

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