将matlab语句win=sin((0.5:frameLen-0.5)/frameLen*pi).'; frameNum=floor(nsampl/frameLen*2);%帧数 % 最后一帧补零 x=[x;zeros((frameNum+1)*frameLen/2-nsampl,nchan)]; swin=ones((frameNum+1)*frameLen/2,1); swin(1:frameLen/2,1)=win(1:frameLen/2);%整体窗函数 swin(frameNum*frameLen/2+1:end,1)=win(frameLen/2+1:frameLen); %%帧数wlen,帧移wlen/2 y=zeros(frameNum,frameLen,nchan); for i=1:nchan%麦克风通道 for t=0:frameNum-1%帧数 %%% 加窗方法1 frame=x(t*frameLen/2+1:t*frameLen/2+frameLen,i).*win./swin(t*frameLen/2+1:t*frameLen/2+frameLen); y(t+1,:,i)=frame; end end return;改成python语句
时间: 2024-04-17 10:25:38 浏览: 165
以下是将MATLAB代码转换为Python代码的示例:
```python
import numpy as np
frameLen = 192000
nsampl = 1920000
nchan = 2
pi = np.pi
win = np.sin((0.5 + np.arange(frameLen - 0.5)) / frameLen * pi).reshape(-1, 1)
frameNum = int(np.floor(nsampl / frameLen * 2))
x = np.concatenate((x, np.zeros(((frameNum + 1) * frameLen // 2 - nsampl, nchan))), axis=0)
swin = np.ones(((frameNum + 1) * frameLen // 2, 1))
swin[:frameLen // 2, 0] = win[:frameLen // 2].flatten()
swin[frameNum * frameLen // 2:, 0] = win[frameLen // 2:frameLen].flatten()
y = np.zeros((frameNum, frameLen, nchan))
for i in range(nchan):
for t in range(frameNum):
frame = x[t * frameLen // 2:(t * frameLen // 2 + frameLen), i] * win.flatten() / swin[t * frameLen // 2:(t * frameLen // 2 + frameLen)]
y[t, :, i] = frame
return y
```
需要注意的是,这只是一个简单的示例,你可能需要根据你的具体需求进行适当的调整和修改。
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