Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience

This paper examined how rotary force feedback in knobs can enhance control over musical techniques, focusing on both performance and user experience. To support our study, we developed the Bend-aid system, a web-based sequencer with pre-designed haptic modes for pitch modulation, integrated with Tor...

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Main Authors: Ziyue Piao, Christian Frisson, Bavo Van Kerrebroeck, Marcelo M. Wanderley
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Actuators
Subjects:
Online Access:https://www.mdpi.com/2076-0825/13/11/462
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author Ziyue Piao
Christian Frisson
Bavo Van Kerrebroeck
Marcelo M. Wanderley
author_facet Ziyue Piao
Christian Frisson
Bavo Van Kerrebroeck
Marcelo M. Wanderley
author_sort Ziyue Piao
collection DOAJ
description This paper examined how rotary force feedback in knobs can enhance control over musical techniques, focusing on both performance and user experience. To support our study, we developed the Bend-aid system, a web-based sequencer with pre-designed haptic modes for pitch modulation, integrated with TorqueTuner, a rotary haptic device that controls pitch through programmable haptic effects. Then, twenty musically trained participants evaluated three haptic modes (No-force feedback (No-FF), Spring, and Detent) by performing a vibrato mimicry task, rating their experience on a Likert scale, and providing qualitative feedback in post-experiment interviews. The study assessed objective performance metrics (<i>Pitch Error</i> and <i>Pitch Deviation</i>) and subjective user experience ratings (<i>Comfort</i>, <i>Ease of Control</i>, and <i>Helpfulness</i>) of each haptic mode. User experience results showed that participants found force feedback helpful. Performance results showed that the Detent mode significantly improved pitch accuracy and vibrato stability compared to No-FF, while the Spring mode did not show a similar improvement. Post-experiment interviews showed that preferences for Spring and Detent modes varied, and the applicants provided suggestions for future knob designs. These findings suggest that force feedback may enhance both control and the experience of control in rotary knobs, with potential applications for more nuanced control in DMIs.
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spelling doaj-art-ae2e7e0426c4436a95d2d8f88b16f08f2025-08-20T02:26:50ZengMDPI AGActuators2076-08252024-11-01131146210.3390/act13110462Assessing the Impact of Force Feedback in Musical Knobs on Performance and User ExperienceZiyue Piao0Christian Frisson1Bavo Van Kerrebroeck2Marcelo M. Wanderley3Input Devices and Music Interaction Laboratory (IDMIL), McGill University, Montreal, QC H3A 1E3, CanadaInput Devices and Music Interaction Laboratory (IDMIL), McGill University, Montreal, QC H3A 1E3, CanadaInput Devices and Music Interaction Laboratory (IDMIL), McGill University, Montreal, QC H3A 1E3, CanadaInput Devices and Music Interaction Laboratory (IDMIL), McGill University, Montreal, QC H3A 1E3, CanadaThis paper examined how rotary force feedback in knobs can enhance control over musical techniques, focusing on both performance and user experience. To support our study, we developed the Bend-aid system, a web-based sequencer with pre-designed haptic modes for pitch modulation, integrated with TorqueTuner, a rotary haptic device that controls pitch through programmable haptic effects. Then, twenty musically trained participants evaluated three haptic modes (No-force feedback (No-FF), Spring, and Detent) by performing a vibrato mimicry task, rating their experience on a Likert scale, and providing qualitative feedback in post-experiment interviews. The study assessed objective performance metrics (<i>Pitch Error</i> and <i>Pitch Deviation</i>) and subjective user experience ratings (<i>Comfort</i>, <i>Ease of Control</i>, and <i>Helpfulness</i>) of each haptic mode. User experience results showed that participants found force feedback helpful. Performance results showed that the Detent mode significantly improved pitch accuracy and vibrato stability compared to No-FF, while the Spring mode did not show a similar improvement. Post-experiment interviews showed that preferences for Spring and Detent modes varied, and the applicants provided suggestions for future knob designs. These findings suggest that force feedback may enhance both control and the experience of control in rotary knobs, with potential applications for more nuanced control in DMIs.https://www.mdpi.com/2076-0825/13/11/462hapticsrotary force feedbackdigital musical instrumentsknobstorquetuner
spellingShingle Ziyue Piao
Christian Frisson
Bavo Van Kerrebroeck
Marcelo M. Wanderley
Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience
Actuators
haptics
rotary force feedback
digital musical instruments
knobs
torquetuner
title Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience
title_full Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience
title_fullStr Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience
title_full_unstemmed Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience
title_short Assessing the Impact of Force Feedback in Musical Knobs on Performance and User Experience
title_sort assessing the impact of force feedback in musical knobs on performance and user experience
topic haptics
rotary force feedback
digital musical instruments
knobs
torquetuner
url https://www.mdpi.com/2076-0825/13/11/462
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AT marcelomwanderley assessingtheimpactofforcefeedbackinmusicalknobsonperformanceanduserexperience