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基于麦克风阵列的数字助听器语音增强技术 被引量：4

Technology of Digital Hearing Aids Speech Enhancement Based on Microphone Array
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摘要 针对噪声和混响环境下的助听器用户聆听上的困难,基于麦克风阵列的数字助听器设计能够很好的提高助听器在这种环境下的语音信噪比。本文研究了应用麦克风阵列进行数字助听器语音增强处理技术,提出了一种基于粒子群优化的改进粒子滤波算法,它将语音增强问题转换为从带噪语音中对纯净语音的估计过程,引入粒子群优化的方法来产生建议分布,使降噪结果更接近纯净语音,从而得到更好的语音增强效果。 Since it＇s hard for Hearing Aids users to listen in the noise and reverberation environment,design of Digital Hearing Aid based on Microphone array can increase Speech SNR in this environment. This paper briefly introduces the theory of applying Microphone array into the Speech enhancement design of Digital H / A,and then present some common Microphone array Speech enhancement technology.
作者 戴红霞 赵力
机构地区 江苏信息职业技术学院电子信息工程系 东南大学信息科学与工程学院
出处 《电子器件》 CAS 北大核心 2015年第3期606-610,共5页 Chinese Journal of Electron Devices
基金 国家自然科学基金项目(61273266 61375028)
关键词 麦克风阵列 数字助听器 粒子滤波 语音增强 microphone array digital hearing aids particle filtering speech enhancement
分类号 TN912.34 [电子电信—通信与信息系统]
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参考文献7

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二级参考文献14

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电子器件
2015年 第3期

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