Copyright © American Speech-Language-Hearing Association From: Programmable Telecoil Responses:  Potential Advantages for Assistive Listening Device Fittings Am J Audiol. 1994;3(2):59-64. doi:10.1044/1059-0889.0302.59 Legend: Real-ear insertion responses for Subject 7 when fitted with his hearing aid operating independently (AID ALONE) and his hearing aid coupled to the assistive listening device (OWN-ALD). Also shown is the insertion response obtained with NAL-ALD system and the NAL target response. Date of download: 12/26/2017 Copyright © American Speech-Language-Hearing Association