Audio shoe

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In hearing aid technology, an audio shoe is a clip-on and connection device with which external audio devices can be connected to a behind-the-ear hearing aid (BTE device) or additional device functions can be added.

Audio shoes are located at the lower end of the banana-shaped housing of BTE devices, provided that the device in question is intended for this connector . According to the device dimensions, audio shoes have a size in the range of approximately 15 mm × 20 mm × 25 mm. In order to achieve a secure attachment to the rounded lower end of the hearing aid housing, audio shoes have a raised edge similar to a boot leg. This is also used by the English term audio boot .

The first audio shoes were pure cable connectors for additional microphones and were sometimes referred to as “direct audio input” in this function. In more recent versions, the audio shoes no longer serve as a cable connection; they are rather designed for self-contained, highly miniaturized devices, e.g. B. for receivers of radio signals from FM hearing systems and additional active device functions on the hearing aid.

In addition to standardized types, depending on the manufacturer, there is an extensive range of individually specialized clip-on adapters for a specific hearing aid type with audio shoe.

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