public float get_setting(audio_option option)
 {
     if (!float_options.Contains(option))
     {
         float_options[option] = defaults[option];
     }
     return(float_options[option]);
 }
 public void set_setting(audio_option option, float value)
 {
     float_options[option] = Mathf.Clamp(value, min_vals[option], max_vals[option]);
 }