thinkdsp.py 文件源码

def convolve(self, other):
        """Convolves two waves.

        Note: this operation ignores the timestamps; the result
        has the timestamps of self.

        other: Wave or NumPy array

        returns: Wave
        """
        if isinstance(other, Wave):
            assert self.framerate == other.framerate
            window = other.ys
        else:
            window = other

        ys = np.convolve(self.ys, window, mode='full')
        #ts = np.arange(len(ys)) / self.framerate
        return Wave(ys, framerate=self.framerate)