Batteries <\/h2>\n\n\n\n
Most hearing aids use disposable zinc-air batteries that are color- and number-coded for easy replacement. The type of battery needed depends on the style and size of your hearing aids and includes: 5 (red), 10 (yellow), 13 (orange), 312 (brown) and 675 (blue). On average, batteries last five to seven days depending on the size and style of your hearing aids, your degree of hearing loss, the amount of time your hearing aids are used and your listening environment. <\/p>\n\n\n\n
Most drugstores carry replacement batteries; they can also be purchased from your audiologist at Hearing Resource Center<\/span> or ordered online. <\/p>\n\n\n\n Rechargeable hearing aids are one of the top most requested features that hearing aid uses are asking for. They free users from having to deal with the tiresome task of changing the batteries, performing daily battery tests and always carrying around extra batteries. Rechargeable batteries are also environmentally friendly as they save users from throwing away nearly 100 hearing aid batteries per year.<\/p>\n\n\n\n The benefits of rechargeable batteries are plentiful: <\/p>\n\n\n\n Many rechargeable batteries can provide up to 24 hours of hearing from a single charge. The hearing aid may also include a fast-charging option, which gives users a few hours of immediate use.<\/p>\n\n\n\n Assistive listening devices (ALDs) are portable systems that help individuals with hearing loss communicate more effectively. Unlike hearing aids, which amplify sounds, ALDs work by separating speech from background noise. This allows the person with the hearing impairment to hear more clearly. <\/p>\n\n\n\n Some ALDs are used in conjunction with hearing aids, while others work as standalone devices. ALDs are useful in a number of situations, primarily those involving distance, poor acoustics and noisy backgrounds.<\/p>\n\n\n\n There are several different types of ALDs available, for both large facilities and personal use. Some focus on amplifying speech, while others utilize computer programs to convert text to speech. Some of the different types include:<\/p>\n\n\n\n FM systems rely on radio signals to transmit amplified sounds directly to your hearing aid. They consist of a microphone, transmitter and receiver, and are used in a variety of public places such as classrooms, restaurants, movie theaters and churches. <\/p>\n\n\n\n The microphone is worn by the person speaking (or placed in close proximity to the sound source) and the signal is broadcast from the transmitter to the receiver, which is tuned to a specific frequency.<\/p>\n\n\n\n Personal amplifiers are essentially small FM systems used in smaller, more intimate settings where radio signals are less effective; they are often used when watching television, traveling by car or spending time outdoors. <\/p>\n\n\n\n The microphone is built directly into the unit, and is often directional, allowing you to aim it in the direction of the sound source in order to pick up the signal most effectively.<\/p>\n\n\n\n Infrared systems work on the same principle as FM systems, but use infrared light instead of radio waves to transmit sound. The transmitter converts sound signals into light and beams those to the receiver, which then translates the light signal back into sound. <\/p>\n\n\n\n An advantage to infrared systems is the fact that their signal is unable to pass through walls as it does with FM systems, eliminating competing broadcasts that might hamper the listener and preventing confidential information from being disseminated. They are particularly useful in courtrooms and large movie theaters.<\/p>\n\n\n\n Hearing loop, or induction loop, systems utilize electromagnetic energy to transmit sound directly to your hearing aid or cochlear implant. They consist of a sound source (public address systems are popular), an amplifier, a loop of wire and a receiver or telecoil (t-coil), a tiny wireless receiver built into many devices. <\/p>\n\n\n\n When you are in close proximity to the loop, you will receive clear sound free of background noise. Hearing loops can be connected to all types of audio sources, and are often set up in public facilities such as airports, churches and lecture halls.<\/p>\n\n\nRechargeable Batteries <\/h3>\n\n\n\n
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\n\n\n\nAssistive\nListening Devices<\/h2>\n\n\n\n
FM Systems<\/h3>\n\n\n\n
Personal Amplifiers<\/h3>\n\n\n\n
Infrared Systems<\/h3>\n\n\n\n
Hearing Loops<\/h3>\n\n\n\n