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The goal is to design and develop an auditory substitution device that through the use of vibro-tactile stimulation can substitute for regional frequency hearing loss. The main focus of this semester is integrating vibro-transducers into the system in order to prepare the system for laboratory trials.
Team awards this semester:
Winner of BME Design Expo & Tong Design Competition, Spring 2007
From left to right: Matt Valaskey, Becky Jones, Ryan Thome, Jimmy Fong, Jack Page
Over the course of the semester we have researched various qualities of speech and speech apprehension. We have also researched signal processing methods to filter the high frequency information out of speech signals. Eventually we constructed a prototype that outputs this high frequency information to four separate channels, each corresponding to a vibrating motor worn by the user. By conveying high frequency sounds to the user in the form of vibrational stimulation, we are hoping to create an effective method of sensory substitution.
| Week | Reporting Period Beginning | Activities |
|---|---|---|
| 1 | January 26 | Met with client, began research/brainstorming |
| 2 | February 2 | Draft first version of PDS, preliminary design ideas to improve prototype |
| 3 | February 9 | Continued research and brainstorming, finalize PDS |
| 4 | February 16 | Work on alternative designs, continue research and brainstorming |
| 5 | February 23 | Continue work on design and design alternatives. |
| 6 | March 2 | Begin Midsemester report, experimenting with tactor location/sensitivity, conitinued research and work on alternative designs |
| 7 | March 9 | Work on midsemester presenation, testing of piezoelectric sensors |
| 8 | March 16 | Finalize and give presentation, write midsemester report |
| 9 | March 23 | Continue further work on design, plan for final project stages. |
| 10 | March 30 | Spring break, continue work on design |
| 11 | April 6 | Work on prototype, plan tests for prototype |
| 12 | April 13 | Continue work on prototype. |
| 13 | April 20 | Finalize prototype and devise methods to test it. |
| 14 | April 27 | Work on final poster, presentation, and report. Test final prototype. |
| 15 | May 4 | Give final presentation, present design and prototype to client. |
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Product Design Specifications (Feb 16 2007, 35 kb) |
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Midsemester Presentation (Mar 9 2007, 940 kb) |
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Midsemester Report (Mar 16 2007, 215 kb) |
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Final Semester Poster (May 9 2007, 1621 kb) |
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Final Semester Report (May 9 2007, 982 kb) |
