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Vocal Mirror - Electronic Voice Analysis for Therapeutic Diagnosis

This presentation will probably involve audience discussion, which will create action items. Use PowerPoint to keep track of these action items during your presentation In Slide Show, click on the right mouse button Select “Meeting Minder” Select the “Action Items” tab

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Vocal Mirror - Electronic Voice Analysis for Therapeutic Diagnosis

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  1. This presentation will probably involve audience discussion, which will create action items. Use PowerPoint to keep track of these action items during your presentation • In Slide Show, click on the right mouse button • Select “Meeting Minder” • Select the “Action Items” tab • Type in action items as they come up • Click OK to dismiss this box • This will automatically create an Action Item slide at the end of your presentation with your points entered. Vocal Mirror - Electronic Voice Analysis for Therapeutic Diagnosis Group 21: Joe Owens-Ream Advisor: Dr. Tom Cleveland

  2. Motivation • Many professional singers and speakers develop vocal problems through misuse of their own talking or singing voice. • This unnecessary wear can lead to problems such as vocal nodules, vocal polyps, cysts, and eventual loss of voice. • By retraining the patient to correctly use their voice, a speech pathologist saves their voice.

  3. Your Voice • Sound is produced by vibrations induced when air is passed by vocal folds • Wear and misuse can lead to nodes and cysts

  4. Problems of Current System • Time spent in voice clinic • Feedback through speech pathologist • No take-home version • Lack of visual and aural representation of problems

  5. Working Solution • The goal of the device is to, from a live signal or recording, extrapolate data about the frequency and amplitude usage of the speaker's/singer's voice.  This data will be analyzed by the system and output information on the pattern of voice usage.  This data can then be used to diagnose speaking/singing problems or bad tendencies.

  6. Goals • Short term: • Create LabView VI to input, display, and analyze audio signal. • Design various analysis sequences to output statistics or live audio information. • Long term: • Design portable device to be carried/worn by patient. • Design device hardware for use in patholigists’ clinic

  7. Work Completed • Researched possible overlap with current devices • Evaluated LabView’s signal analysis suite • Further narrowing of design definition • Researched the physics of sound waves and the physiology of the voice.

  8. Equipment and Costs • Microphone donated from Dr. Cleveland • A/D Board hopefully donated from Dr. King • Use of LabView software is free in BME computer lab • Projected final costs: minimal to none

  9. Further Work • Continue work in LabView on signal analysis suite • Procure A/D board from Dr. King • Create working prototype • Test prototype with Dr. Cleveland • Create board presentation

  10. Contact Information • http://vubme.vuse.vanderbilt.edu/group21_01 • Joe Owens-Ream joe.owens-ream@vanderbilt.edu • Dr. Tom Cleveland tom.cleveland@mcmail.vanderbilt.edu

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