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Related Concept Videos

Design Example01:23

Design Example

695
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
695

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Inclusive design and usability testing: Involving an end-user in developing augmentative and alternative

Sofia Benson-Goldberg1, Lori Geist1, Karen Erickson1

  • 1Department of Allied Health Sciences, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.

Journal of Rehabilitation and Assistive Technologies Engineering
|January 27, 2025
PubMed
Summary
This summary is machine-generated.

Inclusive design with the Open Source Design and Programmer Interface (OS-DPI) platform empowers augmentative and alternative communication (AAC) users. Co-designing AAC user interfaces (UIs) with end users improves access and communication, overcoming traditional development barriers.

Keywords:
Usability testingaugmentative and alternative communicationintellectual and developmental disabilitiesopen-sourceuser interfaces

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Area of Science:

  • Assistive Technology
  • Human-Computer Interaction
  • Disability Studies

Background:

  • Augmentative and alternative communication (AAC) user interface (UI) development is traditionally complex, requiring specialized programming skills that often exclude AAC users.
  • This process can be time-consuming and may not adequately address the unique needs of individuals with intellectual and developmental disabilities.

Purpose of the Study:

  • To demonstrate the effectiveness of involving an end user in the co-design and development of AAC UIs.
  • To evaluate the utility of the Open Source Design and Programmer Interface (OS-DPI) platform for creating tailored AAC solutions.

Main Methods:

  • Micro-analysis of in-person conversations with an AAC user identified specific challenges with aided AAC device access.
  • The OS-DPI platform was utilized to co-design, develop, and test prototype AAC UIs addressing these identified issues.

Main Results:

  • Independent UI development by researchers proved ineffective in addressing the observed access problems.
  • Inclusive design practices, involving the end user, led to the co-creation of UIs with reported improvements in access and communication.

Conclusions:

  • The OS-DPI platform shows significant potential for the co-design and development of AAC UIs.
  • End-user involvement in the design process is crucial for creating effective AAC solutions that meet unique user needs.