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The interactive robotic percussionist - new developments in form, mechanics, perception and interaction design

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2 Author(s)
Weinberg, G. ; Georgia Tech, Atlanta, GA, USA ; Driscoll, S.

We present new developments in the improvisational robotic percussionist project, aimed at improving human-robot interaction through design, mechanics, and perceptual modeling. Our robot, named Haile, listens to live human players, analyzes perceptual aspects in their playing in real-time, and uses the product of this analysis to play along in a collaborative and improvisatory manner. It is designed to combine the benefits of computational power in algorithmic music with the expression and visual interactivity of acoustic playing. Haile's new features include an anthropomorphic form, a linear-motor based robotic arm, a novel perceptual modeling implementation, and a number of new interaction schemes. The paper begins with an overview of related work and a presentation of goals and challenges based on Haile's original design. We then describe new developments in physical design, mechanics, perceptual implementation, and interaction design, aimed at improving human-robot interactions with Haile. The paper concludes with a description of a user study, conducted in an effort to evaluate the new functionalities and their effectiveness in facilitating expressive musical human-robot interaction. The results of the study show correlation between human's and Haile's rhythmic perception as well as user satisfaction regarding Haile's perceptual and mechanical abilties. The study also indicates areas for improvement such as the need for better timbre and loudness control and more advance and responsive interaction schemes.

Published in:

Human-Robot Interaction (HRI), 2007 2nd ACM/IEEE International Conference on

Date of Conference:

9-11 March 2007