Lauren Sweeny, EVEN THE MOST skilled lipreaders in English, I have read, can discern an average of 30 percent of what is being said. I believe this figure to be true. There are people with whom I catch almost every word—people I know well, or who take care to speak at a reasonable rate, or whose faces are just easier on the eyes (for lack of a better phrase). But there are also people whom I cannot understand at all. On average, 30 percent is a reasonable number. So I still prefer captions on the movie!
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