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welch功率谱和LPC参数谱估计

于 2022-01-26 发布 文件大小:92.64 kB
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代码说明:

1、  录制元音/a/、/o/、/i/和辅音/c/、/f/、/h/,每个音持续约0.5s;同时用Matlab生成长约0.5秒的高斯白噪声、均匀噪声和粉红噪声。 2、  分别用经典谱估计和基于LPC的参数谱估计对上述信号进行谱分析。 3、  对语音信号,分析当存在噪声干扰时,两种谱分析的噪声鲁棒性。

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