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Consonance Perception of Vibrotactile Chords: A Feasibility Study

  • Yongjae Yoo
  • Inwook Hwang
  • Seungmoon Choi
Part of the Lecture Notes in Computer Science book series (LNCS, volume 6851)

Abstract

This paper is concerned with the perception of complex vibrotactile stimuli in which a few sinusoidal vibrations with different frequencies are superimposed. We begin with an observation that such vibrotactile signals are analogous to musical chords where multiple notes are played simultaneously. A set of “vibrotactile chords” are designed based on the musical chords, and their degrees of consonance (harmony) that participants perceive are evaluated through a perception experiment. Experimental results indicate that the participants can robustly rate the degree of consonance of the vibrotactile chords and establish a well-defined relation of the degree of consonance to the base and chordal frequencies of a vibrotactile chord. These findings have direct implications to the design of complex vibrotactile signals that can be produced by current wideband actuators such as voice-coil, piezoelectric, and electroactive polymer actuators.

Keywords

Frequency Ratio Base Frequency Vibrotactile Stimulus Sinusoidal Vibration Adjective Rating 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Yongjae Yoo
    • 1
  • Inwook Hwang
    • 1
  • Seungmoon Choi
    • 1
  1. 1.Haptics and Virtual Reality Laboratory, Department of Computer Science and EngineeringPohang University of Science and Technology (POSTECH)Republic of Korea

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