Nl 36 / 2020 Rich
Köttgen, Werner:
History of hearing aids : from the ear trumpet to digital multi-channel technology / Werner Köttgen. – 2020. – Ill.
In: Ludwig van Beethoven: the heard and the unhearing : a medical-musical-historical journey through time / Bernhard Richter ... – Freiburg [u.a.] : Herder, 2020. – S. 115-133
Inv.-Nr. 20.1527
Abschnitte (grob): Sound, hearing, feeling. – Deafness as a wodespread disease. – Remedies for impaired hearing. – 1. Hearing aids that pick up sound and amplify it acoustically. – 2. Hearing aids that pick up sound, electronically amplify it, process it in analog or digital form, and acoustically emit it. – 3. Implantable hearing aids. – Auditory acoustics today.
- Schlagwörter:
- Hörhilfe / Akustik
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