PMID: 16646279May 2, 2006Paper

Evaluation of a second-order directional microphone hearing aid: II. Self-report outcomes

Journal of the American Academy of Audiology
Catherine PalmerH Gustav Mueller

Abstract

This clinical trial was undertaken to evaluate the subjective benefit obtained from hearing aids employing automatic switching second-order adaptive directional microphone technology, used in conjunction with digital noise reduction, as compared to a fixed directional microphone or omnidirectional microphone response with the same digital noise reduction. Data were collected for 49 participants across two sites. Both new and experienced hearing aid users were fit bilaterally with behind-the-ear hearing aids using the NAL-NL1 (National Acoustics Laboratory-Nonlinear version 1) prescriptive method with manufacturer default settings for various signal processing (e.g., noise reduction, compression parameters, etc.). During ten days of hearing aid use, participants responded to daily journal questions. Subjective ratings for each of the three hearing aid responses (omnidirectional, automatic-adaptive directional, and automatic-fixed directional) were similar. Overall preference for a microphone condition was equally distributed between no preference, omnidirectional, and automatic adaptive and/or fixed directional.

Citations

Oct 30, 2009·Ear and Hearing·Yu-Hsiang Wu, Ruth A Bentler
Dec 17, 2009·The Journal of the Acoustical Society of America·Yu-Hsiang Wu, Ruth A Bentler
Sep 16, 2011·International Journal of Audiology·Haihong LiuLuo Zhang
Jun 20, 2013·International Journal of Audiology·Yu-Hsiang WuRuth A Bentler
Jul 7, 2007·The Journal of the Acoustical Society of America·Yu-Hsiang Wu, Ruth A Bentler
Aug 14, 2008·International Journal of Audiology·Ruth BentlerRichard Hurtig
Sep 9, 2006·Trends in Amplification·Catherine V PalmerH Gustav Mueller
Jul 1, 2009·Journal of Speech, Language, and Hearing Research : JSLHR·Teresa Y C ChingJens Hain
Jul 19, 2011·American Journal of Audiology·Mary T CordAndrew B Dittberner
Mar 3, 2010·International Journal of Audiology·William S WoodsBrent Edwards
Mar 23, 2011·International Journal of Audiology·Jong S Kim, Melinda Freyaldenhoven Bryan
Sep 4, 2015·Clinical and Experimental Otorhinolaryngology·Hee-Sung ParkSung Hwa Hong

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