Assistive technology for hearing and vision impairments
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Assistive Technology for hearing and vision impairments. 張志仲 副教授 Jyh-Jong Chang Email: [email protected] Office: CS505 Tel: 2644 Webpage: http://app.rm.kmu.edu.tw/chang/. Hearing and vision impairments. Hearing impairments Harding of hearing Loss of hearing Vision impairments

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Assistive Technology for hearing and vision impairments

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Assistive Technology for hearing and vision impairments

張志仲 副教授

Jyh-Jong Chang

Email: [email protected]

Office: CS505

Tel: 2644

Webpage: http://app.rm.kmu.edu.tw/chang/


Hearing and vision impairments

  • Hearing impairments

    • Harding of hearing

    • Loss of hearing

  • Vision impairments

    • Visual field, contrast and color, light, acuity

    • Blind


Basic solutions for sensory impairment

  • Augmentation

    • Microphone for hearing augmentation

    • Magnifier for visual augmentation

  • Replacement

    • Hearing problems

      • Visual and tactile as replacement

    • Visual problems

    • Hearing and tactile as replacement


AT in hearing impairments

  • Alerting Devices and alarm

    • Visual

    • Tactual

    • Auditory

  • Amplification (hearing aids)

    • Behind-The-Ear

    • In-The-Ear

    • Canal Aid

    • Completely-In-the-Canal (CIC)


  • Assistive Listening

    • Electronic devices used along with or instead of hearing aids to overcome problems of background noise and distance from the speaker

    • FM System

    • Infra-red System

    • Personal Amplifier


  • Telecommunications

    • Fax machine

    • Wireless Pagers / PDAs

    • Text messaging

    • CapTel

    • Video Telephone

    • Video Relay


  • Computers

    • Computer Aided Real-time Translation

    • Video Telephone

  • Television

    • Telecaption Decoders

    • Decoder Chips


Clocks and Wake Up Alarm Systems

AlertMaster 6000 Alert Wireless Doorbell and Telephone Signaler

Sonic Shake for Travel

Sonic Boom Alarm Clock with bed shaker


Clocks and Wake Up Alarm Systems

AlertMaster 6000 Alert Wireless Doorbell and Telephone Signaler

Sonic Shake for Travel

Sonic Boom Alarm Clock with bed shaker


Wireless TTY’s


Assistive Listening Devices


How Video Relay Works


Cochlear Implant

  • A surgically implanted multi-channel electrode housed within the cochlea

  • For clients with severe to profound bilateral hearing loss with poor speech understanding

  • Extensive aural rehabilitation may be needed after surgery


Hearing ear dog

Increase daily living functions, social interactions and communications


AT for visual impairments

  • Non-technical Solutions

    • Organisation of the home (inside and outside)

    • Improved natural and artificial lighting

    • Improved use of colour contrasts

    • Elimination of hazards

    • Organising and labelling items


  • Accessible printed material

    • Large print

    • Braille and Moon

      • Braille uses a raised six-dot system to

        represent letters and Moon uses a raised graphical representation of letters

    • Talking books and magazines

    • Electronic books and newspapers


  • Personal assistive devices

    • Devices for improving vision

      • Field expenders

      • Telescope

      • Eye glasses


  • Devices for reading

    • Typoscope

    • Enlarging photocopiers

    • Magnifiers


  • PC with speech synthesis

  • CCTV: Closed circuit TV –


  • Electronic reading machines

    • Optical character readers (OCRs) scan and translate printed text into a text file that can be read by a built-in speech synthesiser or used on a computer


  • Devices for writing

    • Writing on paper

    • Writing (typing) by computer

    • Writing in Braille

    • Making audio notes and letters


  • Devices for mobility /walking

    • Canes and walking sticks

    • More high-tech aids have recently begun to be developed such as satellitebased orientation and navigation systems to support blind pedestrians.


  • Device for recreations

    • TV audio description


Summary

  • AT for hearing impairments

  • AT for Visual impairments

    • Augmentation vs. replacement


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