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Noise-Robust Fundamental Frequency Extraction Method Based on Exponentiated Band-Limited Amplitude Spectrum

机译:基于指数带限量幅度的噪声强大的基本频率提取方法

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摘要

In this paper, a fundamental frequency extraction method of noisy speech is proposed. An exponentiated amplitude spectrum is calculated with a band-limitation operation and its inverse Fourier transform is used as the basis function for fundamental frequency extraction. It is shown that the new function invokes a performance robust against noise as well as formant characteristics. Experimental results show that the proposed method provides an improvement relative to the conventional methods at a wide rage of signal-to-noise ratios.
机译:本文提出了一种嘈杂言论的基本频率提取方法。 用带限制操作计算指数化幅度谱,并且其逆傅里叶变换用作基频提取的基函数。 结果表明,新功能调用了对噪声的性能稳健以及格式特性。 实验结果表明,该方法在广泛的信噪比范围内相对于传统方法提供了改进。

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