In addition, any relationships between the individual binaural benefits on ANLs and the individuals’ demographic information were investigated. The goal of the present study was to examine whether Acceptable Noise Levels (ANLs) would be lower (greater acceptance of noise) in binaural listening than in monaural listening condition and also whether meaningfulness of background speech noise would affect ANLs for directional microphone hearing aid users. JO - Clinical and Experimental OtorhinolaryngologyĪB - Objectives. T2 - Clinical and Experimental Otorhinolaryngology TI - Advantages of Binaural Amplification to Acceptable Noise Level of Directional Hearing Aid Users Given a significant association between ANLs and duration of hearing aid usage, ANL measurement can be useful for clinical counseling of binaural hearing aid candidates or unsuccessful users. Informational masking substantially influ- enced background noise acceptance. Binaural directional microphone processing allowed hearing aid users to accept a greater amount of back- ground noise, which may in turn improve listeners’ hearing aid success. The individuals’ binaural advantages in ANLs were significantly greater for the listeners with longer experience of hearing aids, yet not related to their age or hear- ing thresholds.Ĭonclusion. When the background speech noise became more meaningful, hearing-impaired listeners accepted less amount of noise (higher ANLs), revealing that ANL is dependent on the intelligibility of the competing speech. Lower volume means less potential for sound. The results demonstrated that directional hearing aid users accepted more noise (lower ANLs) with binaural ampli- fication than with monaural amplification, regardless of the type of competing speech. Also, a person wearing two hearing aids generally needs less amplification than someone wearing only one. Seven young normal-hearing listeners (mean age, 27 years) participated for the same mea- surements as a pilot testing. The ANLs were also compared across five types of competing speech noises, consisting of 1- through 8-talker back- ground speech maskers. Using Korean ANL material, ANLs of all participants were evaluated under monaural and binaural amplification with a counterbalanced order. ![]() For the ANL calculation, listeners’ most comfortable listening levels and background noise level were measured. Fourteen hearing aid users (mean age, 64 years) participated for experimental testing.
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