Boxplots demonstrating lower quartile, median, and upper quartile, and whiskers representing 1.5 times the interquartile range (X = outliers): Speech reading performance (correctly-repeated words in percent) from 14 deaf individuals by using (A) the same high definition web camera (Logitech Pro9000) and different speakers (CD, medical student, 97 words/s; JB, actress, 161 words/s; SF, speech therapist, 178 words/s), (B) the same speaker (CD) but different communication modes and (C) the same speaker (SF) with 3 different webcams: Logitech Pro9000, Logitech C600, and Logitech C500.

<p>Boxplots demonstrating lower quartile, median, and upper quartile, and whiskers representing 1.5 times the interquartile range (X = outliers): Speech reading performance (correctly-repeated words in percent) from 14 deaf individuals by using (A) the same high definition web camera (Logitech Pro9000) and different speakers (CD, medical student, 97 words/s; JB, actress, 161 words/s; SF, speech therapist, 178 words/s), (B) the same speaker (CD) but different communication modes and (C) the same speaker (SF) with 3 different webcams: Logitech Pro9000, Logitech C600, and Logitech C500.