Comparing musicians and non-musicians in signal-in-noise perception
Fawen Zhang, Claire Roland, Deema Rasul, Steven Cahn, Chun Liang & Gloria Valencia
Received 06 Jul 2018, Accepted 19 May 2019, Published online: 12 Jun 2019
Download citation  https://doi.org/10.1080/14992027.2019.1623424 

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Abstract
Objectives: The objective is to compare musicians and non-musicians in signal-in-noise perception.Design: Participants underwent the following tests: (1) High-frequency (HF) audiometry, (2) QuickSIN (a test for speech perception in noise), and (3) Binaural Masking Level Difference (BMLD) test (a test that examines the hearing threshold of a low-frequency tone from noise masking when the phase of the signal or noise in one ear is reversed with respect to the phase of the signal or noise in the other ear, i.e. the difference in the threshold for detection of the tone in noise under the SπNo and SoNo conditions).Study sample: Thirty-four healthy young normal-hearing listeners including 17 musicians (M) and 17 non-musicians (NM).Results: There were no study group difference in HF audiometry and QuickSIN. The M group had a significantly better performance under the SoNo but not under the SπNo condition. As a result, the BMLD value (SoNo–SπNo) was significantly smaller in the M group than in the NM group.Conclusions: There is a musicians’ advantage in binaural tone-in-noise detection in the BMLD task under the SoNo condition, suggesting that long-term music training positively shapes the auditory system.

Keywords: Signal-in-noise detection, quick speech-in-noise test, binaural masking level difference test, musician