a temporary hearing loss which is usually a temporary dullness in hearing after exposure to loud noise. Hearing usually returns to normal within 48 hours, but this varies on the loudness of the noise, and how long you were exposed to it.
Temporary increase in the threshold of audibility for an ear caused by exposure to high-intensity acoustic stimuli. Such a shift may be caused by other means such as use of aspirin or other drugs. Unit, dB. (ANSI S3.20-1995: temporary threshold shift; temporary hearing loss).
Temporary increases in threshold occurring after exposure to high noise levels, which can last from minutes to hours.