Veli-Pekka Räty

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We describe an experiment to discover if structured audio messages, earcons, could provide navigational cues in a menu hierarchy. A hierarchy of 27 nodes and four levels was created with sounds for each node. Participants had to identify their location in the hierarchy by listening to an earcon. Results showed that participants could identify their location(More)
We have designed and evaluated Nautilus -- a group game played in interactive virtual space. This was a study about new kinds of computer games with new types of user interfaces. Our aim was to reduce the boundaries between the surrounding physical space and the virtual space designed to appeal to users' senses. We utilized the iterative Human-Centred(More)
This paper proposes the addition of non-speech sounds to aid people who use scanning as their method of input. Scanning input is a temporal task; users have to press a switch when a cursor is over the required target. However, it is usually presented as a spatial task with the items to be scanned laid-out in a grid. Research has shown that for temporal(More)
Traditionally computer games are played with a keyboard and a mouse or a joystick. The playing relies mainly on visual and auditory senses. Tactile or haptic user interfaces and natural movements of the human being, e.g. running, are seldom utilised in computer games. The Lumetila project (Virtual Space – User Interfaces of the Future) aims at developing a(More)
The traditional television broadcasters' audience is getting older and the broadcasters have lost their younger audiences. One of the actions they have taken, is to increase the use of social media in their programmes and shows in order to address their younger audiences. The change, however, has not been straightforward. Social media has been added to the(More)
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