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Assistive Technology for hearing and vision impairments 張志仲 副教授 Jyh-Jong Chang Office: CS505 Tel: 2644 Webpage:

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Presentation on theme: "Assistive Technology for hearing and vision impairments 張志仲 副教授 Jyh-Jong Chang Office: CS505 Tel: 2644 Webpage:"— Presentation transcript:

1 Assistive Technology for hearing and vision impairments 張志仲 副教授 Jyh-Jong Chang Office: CS505 Tel: 2644 Webpage:

2 Hearing and vision impairments  Hearing impairments Harding of hearing Loss of hearing  Vision impairments Visual field, contrast and color, light, acuity Blind

3 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

4 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)

5  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

6  Telecommunications Fax machine Wireless Pagers / PDAs Text messaging CapTel Video Telephone Video Relay

7  Computers Computer Aided Real-time Translation Video Telephone  Television Telecaption Decoders Decoder Chips

8 Clocks and Wake Up Alarm Systems Sonic Shake for Travel Sonic Boom Alarm Clock with bed shaker AlertMaster 6000 Alert Wireless Doorbell and Telephone Signaler

9 Clocks and Wake Up Alarm Systems Sonic Shake for Travel Sonic Boom Alarm Clock with bed shaker AlertMaster 6000 Alert Wireless Doorbell and Telephone Signaler

10 Wireless TTY’s

11 Assistive Listening Devices

12 How Video Relay Works

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14  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 Cochlear Implant

15 Hearing ear dog Increase daily living functions, social interactions and communications

16 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

17  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

18  Personal assistive devices Devices for improving vision  Field expenders  Telescope  Eye glasses

19  Devices for reading Typoscope Enlarging photocopiers Magnifiers

20 PC with speech synthesis CCTV: Closed circuit TV –

21  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

22  Devices for writing Writing on paper Writing (typing) by computer Writing in Braille Making audio notes and letters

23  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.

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25  Device for recreations TV audio description

26 Summary  AT for hearing impairments  AT for Visual impairments Augmentation vs. replacement


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