def with_volume_scaled(self, factor: float, start_time=None, end_time=None):
        """Returns a new clip with audio volume multiplied by the value `factor`.
        For info on the parameters, please see ``afx.MultiplyVolume``
        """
        from moviepy.audio.fx.MultiplyVolume import MultiplyVolume

        return self.with_effects(
            [MultiplyVolume(factor=factor, start_time=start_time, end_time=end_time)]
        )
Returns a new clip with audio volume multiplied by the value `factor`.
        For info on the parameters, please see ``afx.MultiplyVolume``
        
moviepy/Clip.py