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Subject : Re: Frequency compression/shifting technology. Opinions? posted by Audibill on Tue Aug 15, 2006 2:28 pm |
| The Sonovation product compresses sound. We've had luck with this product for a select pt. population - and conducted a bit of research on it as well... but it appears to work only for people who really need it. It does not sound natural. The S sound sounds a bit like an F sound, in my opinion... but it is audible. And people can learn to use these altered speech cues to good benefit. But there is a learning curve. It takes getting used to... significant adaptation... gradual tunings are best. Again, most people won't want to go through that adaptation process unless it is very necessary in terms of really bad high frequency hearing loss. The Widex product, on the other hand, appears to take a high pitch region and lay it on top of a lower pitch region. I think it is a better, more sophisticated hearing aid, but I haven't had as much experience with this particular feature. They describe it as an improvement on the Sonavation transposition, but its always wise to be skeptical until we get some additional reviews. So far they have not made any claims of improved speech perception, choosing instead to describe it in terms of improved perception of birds. This is at least an honest claim for now. They're still conducting studies on whether it will help with speech perception, so it's wait and see. |
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