Hearing aid. This small hearing aid sits just in the ear canal. Hearing aids improve hearing in people with partial deafness. Sound is picked up by a microphone,amplified and transmitted into the ear by speakers. Each aid is fine-tuned to amplify the range of frequencies most needed by the patient | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Vernon, Tim / LTH NHS Trust |
Taille de l’image : | 5197 px × 3452 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |