stft.py 文件源码

def __init__(self, window = None, fft_size = 1024, hop_size = 512, sample_rate = 44100):
        if window is None:
            self.window = np.hanning(fft_size)
        else:
            self.window = window
        self.fft_size = fft_size
        self.hop_size = hop_size
        self.sample_rate = sample_rate
        self.window_size = len(self.window)
        self.half_window = int(np.floor(len(self.window) / 2.0))