Panel A shows the experimental setup, with 11 loudspeakers positioned in the horizontal plane at 10° intervals (spanning ±50°). In addition, loudspeakers positioned at +35°, +55°, −35° and −55° were used to present the competing/ masking speech. Panel B shows data from the word identification task, for BiCI users and NH listeners; percent correct is plotted as a function of SNR. Panel C shows data for the sound localization measure, with RMS errors plotted as a function of SNR.