Hearing Aid – A small electronic device designed to improve hearing. Amplification – The process of increasing sound to make it audible for those with hearing loss. Binaural Hearing Aids – Hearing aids designed for both ears. Digital Hearing Aid – A hearing aid that uses digital technology to process sound. Analog Hearing Aid – A traditional hearing aid that amplifies sound in a more basic, analog way. In-the-Ear (ITE) – A type of hearing aid that fits directly in the ear. Behind-the-Ear (BTE) – A hearing aid worn behind the ear, connected to a custom earpiece. Receiver-in-Canal (RIC) – A type of BTE hearing aid with a receiver placed inside the ear canal. Hearing Aid Battery – The power source for the device, typically rechargeable or disposable. Telecoil – A small coil in hearing aids used to improve hearing in places with induction loop systems, like theaters. Noise Reduction – A feature that reduces background noise for clearer sound. Feedback Cancellation – Technology that helps eliminate the whistling sound caused by feedback. Wireless Connectivity – Enables hearing aids to connect to other devices like smartphones or televisions via Bluetooth. Directional Microphone – A microphone that focuses on sound coming from a particular direction, useful in noisy environments. Hearing Loss – The reduction in the ability to hear sounds, which hearing aids help to compensate for. Hearing Aid Fitting – The process of adjusting a hearing aid to the wearer’s specific hearing needs. Ear Mold – A custom-made part that fits into the ear to hold the hearing aid in place and deliver sound. Assistive Listening Device (ALD) – Devices used with hearing aids to enhance sound reception, often in large spaces or difficult listening environments. Sound Processing – The method by which hearing aids convert sounds into signals that can be interpreted by the ear. Hearing Aid Maintenance – Regular care and servicing needed to ensure the hearing aid is working properly.