Fig. 2.

Yaw angle during an adaptive track. The top panel (A) plots an illustrative listener’s head yaw as a function of time for a set of nine trials. Negative values indicate orientation to the left and positive values indicate orientation to the right of the target loudspeaker. The bottom panel (B) shows the level of the target sentence varying over the course of the adaptive track. When the listener correctly repeated the target sentence (black checkmarks), the target was made 3 dB less intense on the subsequent trial. When the listener failed to repeat the target (gray × marks) the target was made 1 dB more intense on the subsequent trial. The trial with the lowest level accurately repeated sentence was selected for further analysis (indicated by the gray boxes in 2A and B), the SNR from this trial was termed the “best trial SNR.”