McGurk Effect. What is he saying? The video shows him repeating /ga/ while the audio track is saying /ba/. Most English-speakers perceive /da/ when seeing and hearing this combination. If you close your eyes or hide the video, do you now hear /ba/? If you mute the audio, can you tell from the video that he is saying /ga/? Can you find other combinations that are perceived differently from their video and audio components?