bool: The speaker's mute state.

        True if muted, False otherwise.

def mute(self):
        """bool: The speaker's mute state.

        True if muted, False otherwise.
        """

        response = self.renderingControl.GetMute([
            ('InstanceID', 0),
            ('Channel', 'Master')
        ])
        mute_state = response['CurrentMute']
        return True if int(mute_state) else False