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Re: High output headphones
Ben,
Couldn't you use a hearing aid and deliver the stimulus via
the DAI? Then you'd only have to make an earmold. Maybe I'm missing
something, but it seems like a pretty straightforward
solution.
_____________________________________
Best Regards,
Brad
Ingrao, MSEd, CCC-A, FAAA
Editor
Email: info@xxxxxxxxxxxxxx
eden
The
Electronic Deaf Education Network
A Virtual Community for Families of Deaf
and Hard of Hearing
Children
www.bradingrao.com
Hello
All,
I'm looking for
headphone/earphone suggestions. I am trying to present speech to persons with
severe to profound hearing losses (poorest thresholds of 90 dB HL). I have tried
etymotics ER4s and their ER3A insert phones along with Shure E5 in ear
monitors and Sennheiser HDA200 headphones. All start clipping the speech before
I can achieve the desired real ear output. I am hoping to match the real ear
outputs suggested by a prescriptive hearing aid fitting formula (DSLi/o). This
results in rms levels for a speech noise, shaped to match a flat 90 dB hearing
loss, of ~125 dB in a Zwislocki coupler. When I present my speech at this
circuit setting the peaks are quite clipped.
Does anyone have
experience/suggestions for other earphones to try? I'm afraid I can't use custom
devices due to the number of subjects I'll be running so I need something with
reusable/replaceable tips or cushions.
Thanks for any
help.
Ben
Benjamin W.Y. Hornsby,
Ph.D.
Research Assistant
Professor
Vanderbilt Bill Wilkerson
Center
1114 19th Avenue South
Nashville, TN 37212
Phone: 615-936-5132