A. Pico, G. Schillaci, V. V. Hafner (Humboldt Universität zu Berlin) and B. Lara (Universidad Autónoma del Estado de Morelos)
Frontiers in Robotics and AI, section Humanoid Robotics, June 30, 2016,
[showhide type=”Abstract”] Abstract: How do robots sound like? Robot ego-noise, that is the sound produced by a robot while moving around, is an important factor that can affect the way an artificial agent perceives the environment and interacts with it. In robot audition, for example, ego-noise is usually addressed due to its effects on the quality of the auditory input signal, as it can severely impact the performance of processes such as speech recognition. Nonetheless, robot ego-noise can carry out very useful information about the robot embodiment or about the external environment. In this study, we present a mechanism for
learning and for predicting the auditory consequences of self-generated
movements on a custom robotic platform. We show two experiments based on a computational model capable of performing forward predictions. First, we demonstrate that the system can classify motor behaviours by comparing the noise they produce with that of simulated actions. Thus, we show that, by using similar processes, the robot can detect unexpected environmental conditions, such as changes in the inclination of the surface it is walking on. [/showhide]
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