aw.py 文件源码

def loadFile(self, fname):
        '''
        fname:      filename of the sound file we want to load
        '''
        if self.verbose: print('Loading %s' % fname)

        if self.cached:
            if not os.path.exists(fname + '-mfcc.npy'):
                y, sr = librosa.load(fname)
                data = mfcc(y=y, sr=sr).T
                np.save(fname + '-mfcc.npy', data)
            else:
                data = np.load(fname + '-mfcc.npy')
        else:
            y, sr = librosa.load(fname)
            # TODO: Add ability to filter by seconds/duration
            # seconds = y.size/sr
            data = mfcc(y=y, sr=sr).T

        return data