/* convert to linear scale. 0 = loudest, ..63 */
mixer.volume_left = 63.0-pow(1.068241, 63-left);
mixer.volume_right = 63.0-pow(1.068241, 63-right);
/* convert to linear scale. 0 = loudest, ..63 */
mixer.volume_left = 63.0-pow(1.068241, 63-left);
mixer.volume_right = 63.0-pow(1.068241, 63-right);