MFSC一阶差分代码
时间: 2023-08-31 14:07:33 浏览: 51
MFSC一阶差分的代码可以通过以下方式实现:
```python
import numpy as np
def mfsc_first_order_diff(mfsc):
diff = np.diff(mfsc, axis=0) # 计算一阶差分
return diff
```
这段代码使用了NumPy库中的`diff`函数来计算MFSC特征的一阶差分。`mfsc`是MFSC特征矩阵,通过对其沿着垂直方向(即axis=0)进行差分运算,得到一阶差分系数。返回的`diff`即为一阶差分后的MFSC特征矩阵。
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