Recent Advances in Hearing Aids

Hector, L. Grant; Pearson, H. A.; Dean, Neal J.; Carlisle, Richard W.

doi:10.1121/1.1907261

Cited by 3 publications

(1 citation statement)

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“…Progressively systems for the control of output by peak clipping (limitation of the maximum level of output: PC = peak clipping) and compression (AGC = automatic gain control) were adapted for use in hearing aids. Numerous prosthetic models appeared on the market 16 and with the arrival of the rst manufacturing facilities, hearing aid dispensing made its real beginning. The potentiometer was also progressively introduced into hearing aids giving the tter more exibility in the regulation of the ampli cation level.…”

Section: Vacuum Tube Periodmentioning

confidence: 99%

History of the technological development of air conduction hearing aids

Mudry¹,

Dodelé²

2000

J. Laryngol. Otol.

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This was a study of the history of the technological development of air conduction hearing aids, and a review of international literature on the subject. The technological evolution of amplification devices, from their origin to the present day, can be divided into seven distinct periods: the period of sound collectors, the period of hearing devices constructed from carbon, the period of vacuum tubes, the transistor period, the period of integrated circuits, the microprocessor period and the period of digital hearing instruments. Throughout these different stages, hearing instruments have progressively developed reaching their present state. The current era is itself undergoing constant development and change. With the introduction of new technologies, we expect that the rate of change will increase rapidly in the future.

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Section: Vacuum Tube Periodmentioning

confidence: 99%