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 6
Acoustic signal (top panel), intensity in green, lip height in blue and formants in red for the 8 chained sequences.
Blue arrows: lip events (CVL/OVL: Closing/Opening onset for Visible Lips). Green arrows: intensity events (CAI/OAI: Closing/Opening onset for Audio Intensity). Red arrows: formant events (CAF/OAF: Closing/Opening onset for Audio Formant). (a) /apa/; (b) /ata/; (c) /aka/; (d) /aba/; (e) /ada/; (f) /aga/; (g) /ama/; (h) /ana/.