Staas de Jong

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This work presents One-press control, a tactile input method for pressure-sensitive keyboards based on the detection and classification of pressing movements on the already held-down key. To seamlessly integrate the added control input with existing practices for ordinary computer keyboards, the redefined notion of virtual modifier keys is introduced. A(More)
Bone mineral density (BMD) is dependent on multiple influences including genetics, mechanical forces, hormonal changes and nutritional mechanisms. The mechanical forces are, in part, influenced by muscle strength. This study examined the relationships between BMD of the spine and femur with muscle strength. Eighty-one healthy, non-athletic women aged 20-30(More)
This paper proposes a new research direction for the large family of instrumental musical interfaces where sound is generated using digital granular synthesis, and where interaction and control involve the (fine) operation of stiff, flat contact surfaces. First, within a historical context, a general absence of, and clear need for, tangible output that is(More)
This paper presents developments in the technology underlying the cyclotactor, a finger-based tactile I/O device for musical interaction. These include significant improvements both in the basic characteristics of tactile interaction and in the related (vibro)tactile sample rates, latencies, and timing precision. After presenting the new prototype's tactile(More)
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