Stimulus setup and trial structure.

<p>(A) Subjects sat approximately 53 cm from a video of the speaker's face. Sounds were positioned at 13 different locations ranging from −36° to +36° in 6° increments. Subjects reported whether they perceived the presented sound to originate from the <i>Same-</i> or <i>Different-Location</i> as the speaker's mouth. Arrows point toward the perceived location and the corresponding response by the subject. (B) Trial structure. The first frame of each video was loaded 500 ms prior to starting the full video. Subjects were allowed 1.2 s to respond.