No, There Is No 150 ms Lead of Visual Speech on Auditory Speech, but a Range of Audiovisual Asynchronies Varying from Small Audio Lead to Large Audio Lag

Figure 4

Sequence of auditory and visual events and measure of audiovisual asynchrony in isolated “pa” (top) and “pa” chained in a sequence “apa” (bottom).

AV asynchro (Ch) refers to the AV asynchrony measure used in [1], AV asynchro (Sc) refers to the AV asynchrony measure used in the present paper.