There have been digital advances made that have caused great improvements to be made in the area of hearing aid use. The devices are now smaller and smarter or more technologically advanced then they have been in the past. There is research going on at many institutions including Arizona State and Cornell to work on the push to create the next big thing in the hearing aid world as well as to reduce the cost of the devices. This is being done just in time being that there are millions of baby boomers entering that age were hearing aids could become possibilities. Some of the new advances that are being made the hearing aids is that they are now able to amplify the voices for the listener and while muting out all other noises around them.When many people think of hearing aids they think of the huge things that grandma or grandpa would wear, but not any more. Now the devices are being made small enough that they are almost invisible, that will work better as well. One of the biggest challenges that are facing the hearing aid companies is the inability of the device to pick up which way the sound is coming from as well as the large expense for development.
http://www.azcentral.com/business/articles/2012/03/12/20120312science-digital-echnology-revolutionizing-hearing-aids.html
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