Design of a bilateral vibrotactile feedback system for lateralization

The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility Pub Date : 2011-10-24 DOI:10.1145/2049536.2049583

Bernd Tessendorf, D. Roggen, M. Spuhler, T. Stiefmeier, G. Tröster, T. Grämer, Manuela Feilner, Peter Derleth

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引用次数: 2

Abstract

We present a bilateral vibrotactile feedback system for accurate lateralization of target angles in the complete 360 degree-range. We envision integrating this system into context-aware hearing instruments (HIs) or cochlear implants (CIs) to support users that experience lateralization difficulties. As a foundation for this it is vital to investigate which kind of feedback and vibration patterns are optimal to provide support for lateralization. Our system enables to evaluate and compare different encoding schemes with respect to resolution, reaction time, intuitiveness and user dependency. The system supports bilateral vibrotactile feedback to reflect integration into HIs or CIs worn at both ears and implemented two approaches: Quantized Absolute Heading (QAH) and Continuous Guidance Feedback (CGF). We provide a detailed description of our hardware that was designed to be also applicable for generic vibrotactile feedback applications.

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双侧振动触觉反馈系统的设计

我们提出了一个双边振动触觉反馈系统，用于在完整的360度范围内精确地横向化目标角度。我们设想将该系统集成到情境感知助听器(HIs)或人工耳蜗(ci)中，以支持经历侧化困难的用户。在此基础上，研究哪种反馈和振动模式最适合为侧化提供支持是至关重要的。我们的系统能够在分辨率、反应时间、直观性和用户依赖性方面评估和比较不同的编码方案。该系统支持双边振动触觉反馈，以反映双耳佩戴的HIs或CIs的集成，并实现两种方法:量化绝对航向(QAH)和连续制导反馈(CGF)。我们提供了硬件的详细描述，该硬件的设计也适用于一般的振动触觉反馈应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility

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