School of Medical Sciences and The Bosch Institute, University of Sydney, Sydney, New South Wales 2006, Australia.
J Acoust Soc Am. 2011 May;129(5):EL210-15. doi: 10.1121/1.3571534.
The ability of listeners with bilateral sensorineural hearing loss to localize a speech source in a multitalker mixture was measured. Five simultaneous words spoken by different talkers were presented over loudspeakers in a small room, and listeners localized one target word. Errors were significantly larger in this group compared to a control group with normal hearing. Localization of the target presented alone was not different between groups. The results suggest that hearing loss does not impair spatial hearing per se, but degrades the spatial representation of multiple simultaneous sounds.
本文测量了双侧感音神经性听力损失的听众在多说话人混合环境中定位言语源的能力。通过扬声器在一个小房间内播放 5 个不同说话人同时说出的 5 个单词,听众定位一个目标单词。与正常听力的对照组相比,该组的错误明显更大。组间目标单独定位无差异。结果表明,听力损失本身不会损害空间听觉,而是降低了多个同时声音的空间表示。