Sound-Field Audiometry and WRS Tests
WRS, hearing amplification
Sound-field audiometry (SFA) and WRS tests were performed using a calibrated Interacoustics AC40 (Interacoustics A/S). To determine the difference between the SHAA and the conventional HA, SFA was obtained at 0.25, 0.5, 1, 2, 3, 4, 6, and 8 kHz for both hearing amplification systems. Warble tone was used to avoid standing waves. The WRS was evaluated using the Korean Standard Monosyllabic Word List for Adults [