Temporary changes in the hearing of human subjects were monitored with distortion product otoacoustic emissions (DPOAEs) after control sound exposures in a laboratory. The objectives of the experiment were to investigate whether the +5~dB penalty for impulsiveness used in international standards and legislation correlates to a higher risk of hearing damage. Subjects were exposed to two types of binaural recordings consisting of a continuous broad-band noise-exposure normalized to LEX,8h = 80~dB and the interaction of the previous stimulus with a noise of impulsive character normalized to LEX,8h = 75 + 5~dB penalty = 80~dB. The results show that the effects on DPOAE levels from the two stimuli could be compared in terms of their total acoustic energy.
|Journal||The Journal of the Acoustical Society of America|
|Issue number||4, Pt. 2|
|Publication status||Published - Apr 2012|
|Event||Acoustics 2012 Hong Kong - Hong Kong, China|
Duration: 13 May 2012 → 18 May 2012
|Conference||Acoustics 2012 Hong Kong|
|Period||13/05/2012 → 18/05/2012|