Ключевые слова: acoustic, aid, amplifier, audio, background, bad, care, caucasian, child, childhood, closeup, damage, deaf, defect, diagnosis, difficulty, disability, disabled, disease, disorder, doctor, ear, girl, hand, hard, health, hear, hearing, impaired, impairment, instrument, kid, listen, little, loss, loud, medical, medicine, organ, patient, person, problem, sick, silence, sound, symptom, therapy, treatment, volume, young,