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• Leveraging Shared Control to Empower People with Tetraplegia to Participate in Extreme Sports

  Ahmad Alsaleem, Ross Imburgia, Mateo Godinez, Andrew Merryweather, Roger Altizer, Tamara Denning, Jeffery Rosenbluth, Stephen Trapp, Jason Wiese · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This paper describes the iterative design and field evaluation of Tetra-Ski, a power-assisted adaptive ski chair that enables people with tetraplegia to participate in alpine skiing — a high-risk, high-independence activity previously inaccessible to this population. Existing…

  tetraplegia · spinal cord injury · adaptive sports · shared control · sip-and-puff

• Explorations on Breathing Based Text Input for Mobile Devices

  Jackson F. Filho, Thiago Valle, Wilson Prata · 2014 · Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS)

  This paper presents progress on PuffText, a breathing-based text input system for mobile phones designed for people with motor disabilities who cannot handle a mobile device manually. The system uses the phone's built-in microphone to detect "puffs" of breath, which serve as the…

  text entry · alternative input · motor disability · sip-and-puff · mobile accessibility

• Text Entry Using Single-Channel Analog Puff Input

  Adam J. Sporka · 2014 · Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility (ASSETS 2014)

  This short demonstration paper presents a prototype text entry system that repurposes a single-channel analog puff input device — specifically the AKAI EWI USB, a MIDI controller designed for woodwind instrument emulation — as an assistive technology for people with motor…

  sip-and-puff · text entry · assistive technology · motor disabilities · alternative input

• Breath Mobile: A Software-Based Hands-Free and Voice-Free Breathing Controlled Mobile Phone Interface

  Jackson Feijó Filho, Thiago Valle, Wilson Prata · 2012 · Proceedings of the 14th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This short paper proposes Breath Mobile, a software-only breathing interface for mobile phones that uses the device's built-in microphone to detect puffing patterns and translate them into navigation and selection events. Unlike traditional sip-and-puff controllers that require…

  motor impairment · breath control · sip-and-puff · mobile accessibility · alternative input

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