fft.py 文件源码

def write_fft(fft_features, fn):
    """
    Write the FFT features to separate files to speed up processing.
    """
    base_fn, ext = os.path.splitext(fn)
    data_fn = base_fn + ".fft"

    np.save(data_fn, fft_features)
    print("Written "%data_fn)