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Mobile robotic platforms are equipped with multimodal human-like sensing e.g. haptic, vision and audition, in order to collect data from the environment. Recently, robotic binaural hearing approaches based on Head-Related Transfer Functions (HRTFs) have become a promising technique to localize sounds in a threedimensional environment with only two microphones. Usually, HRTF-based sound localization approaches are restricted to one sound source. To cope with this difficulty, Blind Source Separation (BSS) algorithms were utilized to separate the sound sources before applying HRTF localization. However, those approaches usually are computationally expensive and restricted to sparse and statistically independent signals for the underdetermined case. In this paper we present underdetermined sound localization that utilizes a superpositioned HRTF database. Our algorithm is capable of localizing sparse, as well as broadband signals, whereas the signals are not statistically independent.
Author (s): Diepold, Klaus; Kronmüller, David; Rothbucher, Martin; Shen, Hao
Affiliation:
Technische Universität München, Munich, Germany
(See document for exact affiliation information.)
AES Convention: 129
Paper Number:8185
Publication Date:
2010-11-06
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Session subject:
Emerging Applications
Permalink: https://aes2.org/publications/elibrary-page/?id=15607
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Diepold, Klaus; Kronmüller, David; Rothbucher, Martin; Shen, Hao; 2010; Underdetermined Binaural 3-D Sound Localization of Simultaneous Active Sources [PDF]; Technische Universität München, Munich, Germany; Paper 8185; Available from: https://aes2.org/publications/elibrary-page/?id=15607
Diepold, Klaus; Kronmüller, David; Rothbucher, Martin; Shen, Hao; Underdetermined Binaural 3-D Sound Localization of Simultaneous Active Sources [PDF]; Technische Universität München, Munich, Germany; Paper 8185; 2010 Available: https://aes2.org/publications/elibrary-page/?id=15607
@article{diepold2010underdetermined,
author={diepold klaus and kronmüller david and rothbucher martin and shen hao},
journal={journal of the audio engineering society},
title={underdetermined binaural 3-d sound localization of simultaneous active sources},
year={2010},
number={8185},
month={november},}