In brief:
• Hearing aids amplify sound through a microphone, amplifier, and speaker system to help people with sensorineural hearing loss hear more clearly.
• Devices do not restore normal hearing but improve awareness of sounds and speech comprehension over time with consistent use.
• Hearing Aids in Naperville, IL are fitted, programmed, and adjusted by audiologists based on individual test results and lifestyle needs.
Hearing aids work by capturing sound through a microphone, converting it to an electrical signal, amplifying that signal, and delivering it to the ear through a tiny speaker. This basic process helps people with certain types of hearing loss hear speech and environmental sounds more clearly, though it does not reverse the underlying hearing damage.
Understanding this process matters before choosing a device, since fitting and programming decisions depend on the type and severity of hearing loss involved. Hearing Aids available through audiology clinics in Naperville, IL are selected and adjusted after a diagnostic hearing evaluation identifies which frequencies and sound levels are affected.
The Basic Mechanics Behind Hearing Aids
Every hearing aid relies on the same three core components regardless of style or brand. A hearing aid has three basic parts: a microphone, amplifier, and speaker. The hearing aid receives sound through a microphone, which converts the sound waves to electrical signals and sends them to an amplifier. The amplifier increases the power of the signals and then sends them to the ear through a speaker.
Most devices today use digital processing rather than older analog circuitry. Hearing aids work differently depending on the electronics used. The two main types of electronics are analog and digital. Digital processing allows for more precise sound shaping tailored to a person’s specific hearing test results.
Hearing aids are most effective for a specific category of hearing loss. Hearing aids are primarily useful in improving the hearing and speech comprehension of people who have hearing loss that results from damage to the small sensory cells in the inner ear, called hair cells. This type of hearing loss is called sensorineural hearing loss. The damage can occur as a result of disease, aging, or injury from noise or certain medicines. The remaining hair cells pick up amplified vibrations and pass signals to the brain, with the severity of hair cell damage generally determining how much amplification is needed, according to the National Institute on Deafness and Other Communication Disorders.
Common Hearing Aid Styles and How They Differ
Hearing aid styles vary in size, placement, and the type of hearing loss they address. The table below outlines general differences among common categories.
|
Style |
Placement |
Typical Use |
|
Behind-the-ear (BTE) |
Case behind the ear, connected to an earmold |
Mild to profound hearing loss, all ages |
|
In-the-canal (ITC) |
Fits the shape of the ear canal |
Mild to moderately severe hearing loss |
|
Completely-in-canal (CIC) |
Nearly hidden inside the canal |
Mild to moderately severe hearing loss |
Behind-the-ear (BTE) hearing aids consist of a hard plastic case worn behind the ear and connected to a plastic earmold that fits inside the outer ear. The electronic parts are held in the case behind the ear. Sound travels from the hearing aid through the earmold and into the ear. BTE aids are used by people of all ages for mild to profound hearing loss. Smaller canal styles fit directly into the ear canal, though because they are small, canal aids may be difficult for a person to adjust and remove.
Some devices also include added features beyond basic amplification. A telecoil is a small magnetic coil that allows users to receive sound through the circuitry of the hearing aid, rather than through its microphone. This makes it easier to hear conversations over the telephone. A telecoil also helps people hear in public facilities that have installed special sound systems, called induction loop systems.
What to Expect After Getting Fitted
Realistic expectations matter for anyone starting with hearing aids. A few points to keep in mind:
• No instant fix: A hearing aid will not restore your normal hearing.
• Gradual improvement: With practice, however, a hearing aid will increase your awareness of sounds and their sources. You may need an adjustment period to adapt to new sound patterns.
• Custom programming: Aids are custom built to meet the needs of each user. The aid is programmed by the manufacturer according to the specifications recommended by your audiologist.
• Follow-up visits: Programming settings often require fine-tuning after the initial fitting as a person adjusts to daily wear.
An audiologist typically reviews hearing test results, lifestyle factors, and device fit at follow-up appointments to confirm the settings continue to match a patient’s needs over time.
Frequently Asked Questions
Do hearing aids work the same for every type of hearing loss? No. Hearing aids work differently depending on the electronics used, and the two main types of electronics are analog and digital. Effectiveness also depends on whether the hearing loss is sensorineural, which hearing aids are designed to address.
How long does it take to adjust to new hearing aids? Adjustment periods vary by individual, but with practice, a hearing aid will increase your awareness of sounds and their sources over weeks of consistent daily use.
Can a telecoil feature help with phone calls? Yes. A telecoil is a small magnetic coil that allows users to receive sound through the circuitry of the hearing aid, rather than through its microphone, which makes it easier to hear conversations over the telephone.
Are hearing aids a permanent cure for hearing loss? No. A hearing aid will not restore your normal hearing, though it can improve sound awareness and speech comprehension with regular use.
Audiologic Services is an audiology clinic based in Naperville, IL, serving patients in the surrounding area with audiology-related care.
Current scheduling details and location information for Find Audiologic Services on Google are published online for reference by area residents.
