I wear a hearing aid.  Can anything be done to reduce background noise?
D003055:Cochlear Microphonic Potentials; D003142:Communication; D003201:Computers; D004867:Equipment Design / Q000295:instrumentation*; D006310:Hearing Aids / Q000592:standards*; D034381:Hearing Loss / Q000628:therapy; D006801:Humans; D007398:Interpersonal Relations; D009622:Noise / Q000009:adverse effects