Use of telephone amplifying devices by the hearing-impaired.
Recommendations of telephone amplifying devices for the hearing-impaired are evaluated. Handset amplifiers and hearing aids are compared. Performance characteristics of the devices, clinical evaluation of patient benefit, and use of the devices by a representative group of patients are discussed. Need for follow-up and directions for future improvements of such devices are indicated.
D006310:Hearing Aids; D034381:Hearing Loss; D006801:Humans; D013689:Telephone / Q000295:instrumentation*