test.py 文件源码

def irstft(X, fs, T, hop):
    #x = scipy.zeros(T*fs)
    x = scipy.zeros(T)
    framesamp = X.shape[1]
    hopsamp = int(hop*fs)
    for n,i in enumerate(range(0, len(x)-framesamp, hopsamp)):
        x[i:i+framesamp] += scipy.real(scipy.fftpack.irfft(X[n]))
    return x
# an audio-making function