public static void Stop(Char speaker)
        {
            if (speaker == null)
            {
                return;
            }

                        #if RogoLipSyncIsPresent
            LipSync lipSync = speaker.GetComponentInChildren <LipSync>();
            if (lipSync != null && lipSync.enabled)
            {
                lipSync.Stop(true);
            }
                        #endif
        }