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Physical and Perceptual Characterization of a Tactile Display for a Live-Electronics Notification System
KTH, School of Computer Science and Communication (CSC), Media Technology and Interaction Design, MID. (Department of Speech, Music and Hearing; Sound and Music Computing)ORCID iD: 0000-0002-4422-5223
McGill University. (Input Devices and Music Interaction Lab., CIRMMT)
McGill University. (Input Devices and Music Interaction Lab., CIRMMT)
McGill University. (Input Devices and Music Interaction Lab., CIRMMT)
2014 (English)In: Proceedings of the ICMC|SMC|2014 Conference, McGill University , 2014Conference paper (Refereed)
Abstract [en]

In this paper we present a study we conducted to assess physical and perceptual properties of a tactile display for a tactile notification system within the CIRMMT Live Electronics Framework (CLEF), a Max-based 1 modular environment for composition and performance of live electronic music. Our tactile display is composed of two rotating eccentric mass actuators driven by a PWM signal generated from an Arduino microcontroller. We conducted physical measurements using an accelerometer and two user-based studies in order to evaluate: intensity and spectral peak frequency as function of duty cycle, as well as perceptual vibrotactile absolute and differential threshold. Results, obtained through the use of a logit regression model, provide us with precise design guidelines. These guidelines will enable us to ensure robust perceptual discrimination between vibrotactile stimuli at different intensities. Among with other characterizations presented in this study, these guidelines will allow us to better design tactile cues for our notification system for live-electronics performance.

Place, publisher, year, edition, pages
McGill University , 2014.
Keyword [en]
Haptics, Vibrotactile Feedback, Live-Electronics
National Category
Media and Communication Technology
Research subject
Speech and Music Communication; Computer Science
URN: urn:nbn:se:kth:diva-157757OAI: diva2:771572

Qc 20141216

Available from: 2014-12-14 Created: 2014-12-14 Last updated: 2014-12-16Bibliographically approved

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