// make a new audio signal for the background
// make a mask and return
harmonic_mask = np.array(harmonic_masks).transpose((1, 2, 0))
percussive_mask = np.array(percussive_masks).transpose((1, 2, 0))
both_masks = [harmonic_mask, percussive_mask]
self.masks = []
After Change
// make a mask and return
harmonic_masks = np.stack(harmonic_masks, axis=-1)
percussive_masks = np.stack(percussive_masks, axis=-1)
_masks = np.stack([harmonic_masks, percussive_masks], axis=-1)
self.result_masks = []
