Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

The Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid.

 

Behind the Ear (BTE) Transistor Hearing Aids

Oticon Model DFC "DigiFocus Compact" Behind-the-Ear Digital Hearing Aid

The Oticon DigiFocus Compact BTE hearing aid was manufactured by Oticon A/S in Denmark in 1996. It was the second, fully digital hearing aid to come to the market—following hard on the heels of the Widex Senso, the world's first commercially-successful completely digital hearing aid.

The DigiFocus came in three styles—BTE, ITE, and ITC.

The software divided the speech frequencies into 7 bands,. The high and low frequencies were processed differently in order to enhance speech understanding.

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View of the back of the Oticon DigiFocus Compact showing the 3-position control switch (bottom). The positions were "M" (microphone) (upper), "T" (t-coil) (middle), and "O" (off) (lower).

Above the switch is a round cover that hides the programming plug.

 

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View of the Oticon DigiFocus Compact showing the programming plug opened. Inside is a 3-pin jack for programming this hearing aid via a computer.

 

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View of the Oticon DigiFocus Compact showing the battery compartment. This hearing aid used a No. 13 battery.

 

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The picture at the right shows a different pair of Oticon DigiFocus Compact BTE hearing aids in a lighter color.

 


 

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View of the Oticon DigiFocus Compact showing its size.

Here is a copy of the DigiFocus manual.

Here is a copy of the 11-page white paper Oticon produced concerning the DigiFocus in 1996.

 


 

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