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Two-In-One Custom Hearing Aids Made Possible By Software-Based DSP Platform

By Christensen, Laurel A., PhD; Russ, Diane M., MA; Siu, Bonnie, PhD; Thornton, Tammara, MS; Hearing Review, Vol. 11, No. 3, pp. 68-74
Publication Date: March 2004

Article discusses the use of software-based digital signal processing (DSP) technology, which is designed to transform a hearing aid into a personal computer. In conventional, hardware-based DSP hearing instruments, the algorithms that determine how sound signals are interpreted and processed are hardwired into the chip design. The software-based technology makes it possible for hearing professionals to completely change the signal processing in a hearing aid by downloading new software. The Canta 7/Open is the first commercially available hearing instrument to take advantage of the software based DSP. After receiving the instrument from the manufacturer, the dispenser can download traditional Canta processing or Canta7/Open processing that is best suited to fit individuals with high frequency hearing loss. The custom hearing instruments are also equipped with stepped venting, with larger vent sizes than a traditional Canta instrument.
Published by: Ascend Media LLC   (Website:http://www.ascendmedia.com)

Link to text: http://www.hearingreview.com/Articles.ASP?articleid=H0403F08
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