Sound Archives - deafinprison.org

An Amp Guru – Music Synthesist’s Perspective on Deafness

Aug 17, 2012deafinprisonorgEditorialsAcoustics, BitcoDavid, Deaf, Deaf in Prison, DeafInPrison.com, Deafness, Marsha Graham, postaday, Science of Sound, Sound

Let me give you what I know about the science of sound. The term sound refers to the compression and rarefaction of an elastic medium in a contained space. This compression and rarefaction takes place within the range of 20Hz to 20KHz and moves at a rate of 340.29 meters per second. An individual sound

Lyric Hearing Aids

OK. I don’t really know much about hearing aids. But I do know about sound, microphones and transducers. I recently saw an ad for a new type of hearing aid called Lyric. It is unique in that it’s placed inside the ear canal, essentially right up against the ear drum. It’s manufacturers claim that it