def __truediv__(self, other) -> Tuple['AudioSequence', 'AudioSequence']:
if other != 2:
raise ValueError("Can only split audio sequence in two tracks!")
left, right = StereoDemuxer()(self.audio)
if not list(right):
right = left.copy()
return self.new(left), self.new(right)
def to_stereo(audio: np.array) -> tuple:
left, right = StereoDemuxer()(audio)
if not [r for r in right if r != 0]:
right = left.copy()
return left, right