Early Indication of Noise-Induced Hearing Loss in Young Adult Users of Personal Listening Devices.

Objectives: The recent integration of portable music players into cell phones has further increased the use of personal listening devices (PLD) among young adults, raising concerns about potentially hazardous effects on hearing.

Methods: Assessment of young adults' hearing ability and listening preferences by subjective and objective measurement. Young adult users of PLDs (n = 50; 30 females, 20 males; mean age = 24.