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Related Experiment Videos

[Hearing aids with distorsion].

J C Lafon1, T Gharbi

  • 1Laboratoire expérimental d'ORL, Université de Franche Comté.

Acta Oto-Rhino-Laryngologica Belgica
|January 1, 1989
PubMed
Summary
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This study revisits the discovery of sound reinforcements in early amplifier tube hearing aids. It details the development of devices that use compensation and coded signals to enhance low-frequency information in distorted hearing aids.

Area of Science:

  • Acoustics
  • Audiology
  • Signal Processing

Context:

  • Historical review of early hearing aid technology
  • Discovery of harmonic reinforcements in amplifier tubes
  • Development of signal processing for auditory devices

Purpose:

  • To trace the evolution of hearing aid technology focusing on low-frequency information
  • To explain the principles behind compensation and coded signals in hearing aids
  • To acknowledge the contributions to the field of auditory device development

Summary:

  • Recalls the discovery of fundamental and first harmonic reinforcements in older amplifier tube hearing aids.
  • Reports on the evolution and principles of devices employing compensation and coded signals.

Related Experiment Videos

  • Focuses on selecting low-frequency information in hearing aids with distortion.

    • Impact:

    • Provides historical context for advancements in hearing aid signal processing.
    • Highlights the importance of compensation and coded signals for low-frequency audibility.
    • Underscores the foundational discoveries in auditory amplification technology.