Keywords:
Acoustics, Adapters, Air conduction hearing aids, Air tubes, Audiometers, Audiometry, Auditory threshold, Calibration, Clay, Definitions, Ears, Electrical engineering, Frequencies, Frequency ranges, Headphones, Instruments, Noise bandwidths, Pressing force, Pure-tone audiometers, Reference conditions, Reference levels, Reference measuring methods, Simulators, Sound, Sound pressure, Sound pressure level, Threshold value