After a conversation about one of our speakers (sounds artist – Joe Banks), I was told about an interesting phenomenen called the McGurk effect. This suggests that speech perception is multimodal, i.e. our brain interprets the sounds from both visual and audio stimulus.
Watch and listen to the following video once and then a second time close you eyes and just listen to it:
The audio track is saying ba ba ba however in the video the dude is mouthing the words ga ga ga. Our brains make an interpretation somewhere in the middle of these two phenomes so most people (but not all) hear da da da. I’m having more trouble trusting my perceptions now.
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One Comment
Have you tried closing your eyes and then opening them during the video? The sound automatically switches from BA to DA. Really strange.