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HATpresentation-OrientationtoDeafness
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Transcript of HATpresentation-OrientationtoDeafness
3 MAIN POINTS
• How do you explain hearing loss
• What hearing aids do and their limitations
• Why do we need hearing assistive technology
The Auditory System
Image © 2010 Brad Ingrao, AuD
Outer Ear
MiddleEar
Inner Ear
The BRAIN
1. Hearing Loss Described
• Sensorineural 90%
• Conductive 10%
Sarah Crichton Books/Farrar, Straus and Giroux, 2013
2. What Do Hearing Aids Do
Capture sound, amplify, send via speaker
Hearing Aid Limitations
• Distance
• Noise
• Reverberation
8
Pichora-Fuller, ARC 2010
3. Why We Need Hearing Assistive Technology (“HAT”)
• CAPTURE
• CARRY
• COUPLE
FM—Remote Microphones
Bluetooth
• Short range radio signal (10 – 30 meters)
• Devices are securely “Paired” together
• Relevant Protocols– Headset -Basic Telephone Functions
– Hands free
– Stereo Audio
Bluetooth Streamer to Smart Phone
Infrared• Converts audio
signals to invisible light beam
• Typical uses:
– Movie theatres
– TV
• Coupling Options:
– Neck Loop
– Earphones