The Vocal Joystick: evaluation of voice-based cursor control techniques for assistive technology.
Purpose. Mouse control has become a crucial aspect of many modern day computer interactions. This poses a challenge for individuals with motor impairments or those whose use of hands is restricted due to situational constraints. We present a system called the Vocal Joystick which allows the user to...
| Publicado en: | Disability & Rehabilitation: Assistive Technology Vol. 3; no. 1/2; pp. 22 - 35 |
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| Autores principales: | , , , , |
| Formato: | equations & formulas research tables/charts Journal Article |
| Publicado: |
Taylor & Francis Ltd
Jan-Mar2008
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=105717543&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 105717543 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 17483107 1X04 jtl: Disability & Rehabilitation: Assistive Technology issn: 17483107 maglogo: Y pubinfo: dt: Jan-Mar2008 vid: 3 iid: 1/2 pid: 377 pub: Taylor & Francis Ltd place: Philadelphia, Pennsylvania artinfo: ui: 105717543 2009802720 10.1080/17483100701352963 105717543 ppf: 22 ppct: 13 formats: fmt: @attributes: type: P tig: atl: The Vocal Joystick: evaluation of voice-based cursor control techniques for assistive technology. aug: au: Harada S Landay JA Malkin J Li X Bilmes JA affil: DUB Group, Computer and Engineering Department, University of Washington, Seattle WA 98195 sug: subj: Assistive Technology Devices Mouse (Computer) Utilization Voice Recognition Systems Aptitude Comparative Studies Consumer Attitudes Descriptive Statistics Female Funding Source Interviews Linear Regression Male Human Female Male ab: Purpose. Mouse control has become a crucial aspect of many modern day computer interactions. This poses a challenge for individuals with motor impairments or those whose use of hands is restricted due to situational constraints. We present a system called the Vocal Joystick which allows the user to continuously control the mouse cursor by varying vocal parameters such as vowel quality, loudness and pitch. Method. Evaluations were conducted to characterize expert performance capability of the Vocal Joystick, and to compare novice user performance and preference for the Vocal Joystick and two other existing speech based cursor control methods. Results. Our results show that Fitts' law, a well adopted model of human motor performance for movement tasks, is a good predictor of the speed - accuracy tradeoff for the Vocal Joystick, and suggests that the optimal performance of the Vocal Joystick may be comparable to that of a conventional hand-operated joystick. Novice user evaluations show that the Vocal Joystick can be used by people without extensive training, and that it presents a viable alternative to existing speech-based cursor control methods. Conclusions. The Vocal Joystick, with its ease of use, minimal setup requirement, and controllability, offers promise for providing an efficient method for cursor control and other forms of continuous input for individuals with motor impairments. pubtype: Academic Journal doctype: equations & formulas research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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