一种优化的语音信号处理方法An optimized voice signal processing method
伍松,吴小龙,魏晟弘
摘要(Abstract):
为了解决传统利用压缩感知采集语音信号的方法中所用的测量矩阵难以硬件实现,且所用的重构方法过于繁琐导致重构时间过长的问题,采用0-1随机矩阵对语音信号进行测量,用分段正交匹配追踪算法对语音信号进行重构.实验结果表明,优化后的方法可以很好地解决传统压缩感知中硬件难以实现和重构算法繁琐的问题.该方法中所用的0-1随机矩阵便于硬件实现,所用的分段正交匹配追踪(StOMP)算法能够加速信号的重构.
关键词(KeyWords): 压缩感知;语音信号;0-1随机矩阵;分段正交匹配追踪
基金项目(Foundation): 国家自然科学基金项目(51665006);; 广西汽车零部件与整车技术重点实验室自主研究课题(2017GKLACVTZZ01)资助
作者(Author): 伍松,吴小龙,魏晟弘
DOI: 10.16375/j.cnki.cn45-1395/t.2021.02.013
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