Fig. 4From: Speech enhancement for multimicrophone binaural hearing aids aiming to preserve the spatial auditory sceneSubjective evaluation of spatial rendering relative to the reference microphone signal, for the target in front (a) and for the target to the side (b). The box shows the extent of the middle quartiles (25 to 75 %) of the results with the red center line indicating the median. Whiskers show the data range up to 1.5 times the interquartile distance, and crosses show outliersBack to article page