NDLI: Robotic binaural localization and separation of more than two concurrent sound sources

Content Provider	IEEE Xplore Digital Library
Author	Keyrouz, F. Maier, W. Diepold, K.
Copyright Year	2007
Description	Author affiliation: Tech. Univ. Munchen, Munich (Keyrouz, F.; Maier, W.; Diepold, K.)
Abstract	We present a new binaural sound-source separation and localization technique for the underdetermined case where the present sound sources outnumber the available microphones. The proposed technique has access to a generic set of head-related transfer functions (HRTFs) and processes input signals obtained from two small microphones placed inside the ear canals of a robot humanoid head equipped with artificial ears and mounted on a torso. By exploiting sparse representations of the ear input signals, the 3D position of three concurrent sound sources is extracted by identifying the HRTFs that have filtered the sound signals. The sought HRTFs are estimated using a well-known self-splitting competitive learning technique for clustering. Simulation results demonstrated the performance of the new technique in localizing both azimuth and elevation angles for three concurrently active sound sources. The proposed method relies purely on auditive cues and provides an easy implementation on robotic platforms.
Starting Page	1
Ending Page	4
File Size	270264
Page Count	4
File Format	PDF
ISBN	9781424407781
DOI	10.1109/ISSPA.2007.4555468
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-02-12
Publisher Place	United Arab Emirates
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robots Ear Microphones Loudspeakers Humans Clustering algorithms Speech Azimuth Signal processing Time frequency analysis
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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