Circuit Design and Capabilities - Micro Hearing Aid
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Circuit Design and Capabilities
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CIRCUIT DESIGN AND CAPABILITIES
The technical choices in current hearing aids allow the consumer a variety of options. There are thousands models of circuit designs with digital programming and digital processing capabilities, in addition to many non-digital circuit designs. These circuit choices can be categorized into seven technologies.
LINEAR
Broadly speaking these make all sounds louder while keeping the character of the incoming sound.
TRADITIONAL COMPRESSION
These soften loud sounds when they occur.
ADVANCED COMPRESSION
There are many special circuits to make hearing aids more comfortable. Your specialist will guide you.
ADVANCED DESIGN NON-DIGITAL
These are more complex circuits that may be "automatic" (i.e. no volume wheel necessary) but no longer used extensively.
DIGITAL PROGRAMMABLE
These higher technology circuits have numerous adjustable bands of compression. They are usually automatic and use computers to program different listening environments. Some models use remote controls to provide more direct control by the user.
100% DIGITAL SIGNAL PROCESSING (DSP)
Audio sounds are digitized and then processed. These types of hearing aids use computers for the fitting process. They contain computer chips within the hearing aid for further processing.
DEEP CANAL
For maximum benefit this circuit depends upon the placement of the hearing aid near the eardrum, which changes the performance of this type of hearing aid.
REMEMBER
Your Hearing Instrument Specialist's role is to correct your hearing problem with the most effective hearing instruments for you. Listen to their advice and discuss your options.