transforms.py 文件源码

def __call__(self, y):
        """Resample a time series.

        Parameters
        ----------
        y : np.ndarray [shape=(n,) or shape=(2, n)]
        audio time series.  Can be mono or stereo.

        Returns
        -------
        y_hat : np.ndarray [shape=(n * target_sr / orig_sr,)]
        """
        return librosa.resample(y, **self.__dict__)

# Feature