Discovery of sound sources by an autonomous mobile robot.

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Bibliographic Details
Title: Discovery of sound sources by an autonomous mobile robot.
Authors: Eric Martinson1, Alan Schultz1
Source: Autonomous Robots. Oct2009, Vol. 27 Issue 3, p221-237. 17p.
Subjects: Autonomous robots, Mobile robots, Auditory scene analysis, Algorithms, Vector analysis, Classification
Abstract: Abstract  In this work, we describe an autonomous mobile robotic system for finding, investigating, and modeling ambient noise sources in the environment. The system has been fully implemented in two different environments, using two different robotic platforms and a variety of sound source types. Making use of a two-step approach to autonomous exploration of the auditory scene, the robot first quickly moves through the environment to find and roughly localize unknown sound sources using the auditory evidence grid algorithm. Then, using the knowledge gained from the initial exploration, the robot investigates each source in more depth, improving upon the initial localization accuracy, identifying volume and directivity, and, finally, building a classification vector useful for detecting the sound source in the future. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
Description
Abstract:Abstract  In this work, we describe an autonomous mobile robotic system for finding, investigating, and modeling ambient noise sources in the environment. The system has been fully implemented in two different environments, using two different robotic platforms and a variety of sound source types. Making use of a two-step approach to autonomous exploration of the auditory scene, the robot first quickly moves through the environment to find and roughly localize unknown sound sources using the auditory evidence grid algorithm. Then, using the knowledge gained from the initial exploration, the robot investigates each source in more depth, improving upon the initial localization accuracy, identifying volume and directivity, and, finally, building a classification vector useful for detecting the sound source in the future. [ABSTRACT FROM AUTHOR]
ISSN:09295593
DOI:10.1007/s10514-009-9123-1