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MFCC 特征提取

于 2022-08-09 发布 文件大小:1.64 MB
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MFCC 特征提取的执行: 做这带语音信号和帧然后每一帧中的信号通过不同的块的鸿沟。第一个块是提高信号的前强调,它应该通过视窗来分析单个帧,则信号 fft 计算然后这个信号通过 mel 滤波器,通常在这段代码中生成 39 系数并且这些 39 系数通过对数和最后计算的逆离散余弦变换生成 13 系数。这些 13 系数以残差分别是什么,但三角洲特征及双三角洲特征转换为 39。

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