How hearing aids are made?

The manufacture of a hearing aid takes about two hours.

Hearing aid

manufacturing is a custom process that requires qualified technicians to operate magnifying lenses and microscopes in a microminiature manufacturing environment. Typically, tools are manual and tasks require precision movements. The assembler must pay close attention to the wiring diagram and the impressions of the assembly so that it connects it and produces accurate results.

Before manufacturing begins, the user is evaluated by a trained professional. The evaluation includes a hearing test and the results are used to create an audiogram that covers a variety of parameters. In the detection step, an impression or mold of the user's outer ear is also taken. Audiogram and printing are an integral part of the manufacturing process.

All hearing aids use the same basic parts to bring sounds from the environment into the ear and make them louder. Most hearing aids are digital and all work with a traditional hearing aid battery or a rechargeable battery. With the invention of the transistor in 1948, the size and weight of the aid were further reduced. Digital circuitry gives the audiologist more flexibility to adjust the aid to the user's needs and certain listening environments.

The main elements of the aid are a microphone, an electronic amplifier to make the sound louder, an earphone or receiver, and an ear mold or plastic housing that serves to couple the acoustic energy (sound) of the earphone to the eardrum, either directly or through plastic tubes. An audiologist can program help with a computer, and you can change the program for different listening environments, from a small, quiet room to a crowded restaurant or large, open areas such as a theater or stadium. An otolaryngologist is a doctor who specializes in disorders of the ear, nose, and throat and investigates the cause of hearing loss. In addition, researchers are investigating the use of computer-aided technology to design and manufacture better hearing aids.

Hearing aids are tested using a computerized program ANSI (American National Standards Institute) that analyzes production parameters and produces a performance chart. Get a hearing test, get help and advice, and buy accessories, replacement parts and cleaning tools from licensed Oticon hearing care professionals. Researchers funded by the NIDCD are also studying how hearing aids can improve speech signals to improve comprehension. As the code also includes information about the pitch or volume of a sound, the aid can be specially programmed to amplify some frequencies more than others.

But Starkey points out that these over-the-counter devices will only be for people with mild to moderate hearing loss, and that most Americans will continue to need personalized accommodations and expert attention. Makes some sounds louder so that a person with hearing loss can hear, communicate, and participate more fully in daily activities. Both techniques have the net result of strengthening sound vibrations that enter the inner ear so that people with sensorineural hearing loss can detect them. If you think you might have hearing loss and could benefit from a hearing aid, see your doctor, who may refer you to an otolaryngologist or audiologist.

They are generally not recommended for young children or people with severe to profound hearing loss because their small size limits their power and volume. Until the 16th century, it was commonly accepted that people with hearing loss also suffered from multiple other disabilities, leading to them being severely discriminated against. .