City browser: developing a conversational automotive HMI
CHI '09 Extended Abstracts on Human Factors in Computing Systems
A conversational in-car dialog system
NAACL-Demonstrations '07 Proceedings of Human Language Technologies: The Annual Conference of the North American Chapter of the Association for Computational Linguistics: Demonstrations
Design and evaluation of a multimodal interface for in-car communication systems
SAICSIT '10 Proceedings of the 2010 Annual Research Conference of the South African Institute of Computer Scientists and Information Technologists
Voice interfaced vehicle user help
Proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications
The voice user help, a smart vehicle assistant for the elderly
UCAmI'12 Proceedings of the 6th international conference on Ubiquitous Computing and Ambient Intelligence
PixelTone: a multimodal interface for image editing
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
On credibility improvements for automotive navigation systems
Personal and Ubiquitous Computing
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Driving behavior has been trending towards more time in the car and longer commutes. This has fueled the demand for an increasing number of in-vehicle infotainment features, at the cost of the driver splitting attention between the primary task of driving and other secondary tasks. To demonstrate one process we use for generating continuous improvements to the usability of our infotainment systems, we discuss a study where 30 participants were asked to interact with the speech dialogue system of a Volkswagen Group in-vehicle speech system. Participants performed tasks in telephone, navigation, and map contexts. Tasks were timed and videotaped for analysis of three performance measures: 1) Task Completion, 2) Task Time, and 3) participant rating of Task Difficulty. From this analysis, we identified issues that are especially important to the interaction between the system and the driver, which we categorized into a few broad areas: System Organization, Push-To-Talk Functionality, Data Entry, and Speech Commands. Analysis of the issues specific to each category and usability recommendations for each are discussed.