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Application of 1-D discrete wavelet transform based compressed sensing matrices for speech compression

机译:基于一维离散小波变换的压缩感知矩阵在语音压缩中的应用

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摘要

BackgroundCompressed sensing is a novel signal compression technique in which signal is compressed while sensing. The compressed signal is recovered with the only few numbers of observations compared to conventional Shannon–Nyquist sampling, and thus reduces the storage requirements. In this study, we have proposed the 1-D discrete wavelet transform (DWT) based sensing matrices for speech signal compression. The present study investigates the performance analysis of the different DWT based sensing matrices such as: Daubechies, Coiflets, Symlets, Battle, Beylkin and Vaidyanathan wavelet families.
机译:背景技术压缩感测是一种新颖的信号压缩技术,其中在感测时压缩信号。与常规的Shannon–Nyquist采样相比,仅通过少量观察就可以恢复压缩信号,从而降低了存储需求。在这项研究中,我们提出了基于一维离散小波变换(DWT)的语音信号压缩感知矩阵。本研究调查了不同的基于DWT的感知矩阵的性能分析,例如:Daubechies,Coiflets,Symlets,Battle,Beylkin和Vaidyanathan小波家族。

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