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.

 

Cochlear Implants

Mini Speech Processor (MSP)

The Mini Speech Processor (MSP) was made by Cochlear Ltd. of Australia in 1989. It superseded the Nucleus 22 Speech Processor.

The Mini Speech Processor used the MPEAK speech coding strategy.

The smaller size made it more suitable for children.

The Mini Speech Processor measured 3⅝" x 2⅜" by 11/16" thick and weighed 2˝ oz without the battery.
 

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Top view of the Mini Speech Processor (MSP) showing the hole for the headpiece (transmitter)/microphone cord (left), the multi-purpose switch labeled N - noise suppression, T - telephone, S - sensitivity, O - on/off (left center), the external mic/patch cord jack cover (right center), two light emitting diodes labeled C and M (mid right) and the 0-8 position volume control (right).

Not shown in these pictures are the headpiece (transmitter), the behind-the-ear (BTE) microphone, connecting cords, and the internal parts (receiver and electrodes).

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View of the Mini Speech Processor (MSP) with a patch cord plugged into the external mic/patch cord jack (center).

 

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View of the left side of the Mini Speech Processor (MSP) showing the 3-pin socket where the transmitter cord plugs into the speech processor.

 

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View of the left side of the Mini Speech Processor (MSP) showing the transmitter cord plugged into the speech processor. The transmitter cord plug is protected from becoming unplugged by the hinged cover on the speech processor.

 

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Rear view of the Mini Speech Processor (MSP) showing the battery compartment cover (bottom)

 

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The battery compartment of the Mini Speech Processor (MSP) with the battery removed. Note the 6-pin programming jack immediately above the battery position.

 

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Rear view of the Mini Speech Processor (MSP) with the battery cover removed showing a standard 1˝ volt AA battery in the battery compartment.

 

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The bottom right front corner of the Mini Speech Processor (MSP) showing the "Cochlear" name and logo.

 

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Bottom view of the Mini Speech Processor showing the model (MSP) and serial number.

 


 

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