An Introduction to Hearing Aids
Hearings aids have been around for centuries, in some form or another. They have provided relief for older people who have lost the ability to hear as clearly as when they were younger. Hearing aids also assist people who may have a hearing problem because of underlying medical issues. Hearing aids have a rich history, and have truly seen amazing advances over the past two centuries. The first version of a hearing aid was invented in the early 1500's.
These early devices were crafted from wood and designed to look like the ears of animals known for excellent auditory perception. It was not until 1800, however, that hearing aids became a consumer product. Manufacturers then created trumpet hearing aids, but they only produced them on a very small scale. By the end of the 19th century, hearing aids were mass produced and very large in size. The first well-known product was a tabletop model and cost somewhere in the $400 range.
Obviously, only the affluent in society could afford the model during this period.Hearing aids amplify sounds, especially voice and speech, effectively so that the person has a better sense of what is being said to them. Although hearing aids have seen tremendous transformations over the years, the concept has remained the same. Most hearing aids still utilize basic principles to help the hard-of-hearing. The three basic components of a hearing aid are microphone, amplifier and the receiver. The microphone serves as the reception device that captures sound waves.
The microphone is responsible for taking auditory sounds (sounds that humans can hear) and converting them into electronic sounds that are detected by the amplifier. The amplifier takes the sounds transmitted from the microphone and makes them louder. Hearing aids are often designed for specific hearing needs; this is because amplifiers can "choose" which sounds to augment. In modern hearing aids, precision amplifiers often eliminate background noise. The receiver simply serves as a speaker function and converts sound waves from auditory to electronic..
Hearing Aids Info provides comprehensive information about digital, programmable, behind-the-ear, discount, wholesale, and cheap hearing aids, as well as child hearing aids, Medicare and hearing aids, and reviews of best hearing aids. Hearing Aids Info is affiliated with Business Plans by Growthink.Employee of America Hears Passes Pennsylvania Exam for Fitters of Hearing Aids
Philadelphia, PA (ContentDesk) July 6, 2006 -- America Hears, the premier manufacturer and vendor of digital hearing aids, announced today that employee Frank Hetherington has passed the Pennsylvania Hearing Aid Fitters Exam. In order to receive this certification, Hetherington was required to complete a six-month training period and demonstrate proficiency in many areas, including ear anatomy, causes of hearing loss, the taking of ear impressions, and programming of hearing aids.
Programmable, or digital hearing aids are designed and programmed specifically for each individual. After you have had a hearing examination, your audiologist will determine the level of your hearing loss and what product best suits... The Advantages of Programmable Hearing Aids
Hearing aids > The Advantages of Programmable Hearing Aids
Beyond World AIDS Day: Thousands Expected for Move Against AIDS
New York, NY (ContentDesk) November 30, 2005 -- Several thousand New Yorkers are expected at Move Against AIDS on December 3, 2005, at the Manhattan Center.
The innovative event will raise funds for GMHCs HIV prevention programs and for services for people living with HIV/AIDS.
A portion of the proceeds will also benefit the Community HIV/AIDS Mobilization Project (CHAMP), an organization dedicated to training and mobilizing the next generation of AIDS advocates.
It is estimated there are 1,000,000 people living with HIV/AIDS in the U.S., with an additional 40,000 people infected each year.
At the end of 2004, 94,945 people were known to be living with HIV or AIDS in New York City, more than in any other city in the country.
One-half of all new HIV infections are among people under the age of 25.Move Against AIDS will feature five hours of music, with sets by world renowned club DJs Junior Vasquez, Tony Touch, Tony Moran, Mary Mac, and Chad...
Beyond World AIDS Day: Thousands Expected for Move Against AIDS
Hearing aids > Beyond World AIDS Day: Thousands Expected for Move Against AIDS