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This paper presents an application-oriented approach to Acoustic Source Localization using a coincident microphone array. Multiple processing blocks are presented to generate a reactive, yet stable Direction of Arrival estimation tuned toward speaker tracking. Building on an energy based scanning method, individual characteristics, such as sound field directivity and static sound source positions are used for adaptive smoothing of the detected angle. The methods and resulting performance gain are discussed for the individual components of the algorithm. Objective performance is evaluated using simulated and recorded data. Audio quality is assessed using listening tests, which show a significant increase in subjective sound quality, noise suppression, and speech intelligibility when combining the tracker with a beamforming algorithm for coincident microphone arrays.
Author (s): Ziegler, Jonathan D; Paukert, Hendrik; Koch, Andreas; Schilling, Andreas
Affiliation:
Stuttgart Media University
(See document for exact affiliation information.)
AES Convention: 148
Paper Number:10321
Publication Date:
2020-05-06
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Session subject:
Signal Processing
Permalink: https://aes2.org/publications/elibrary-page/?id=20738
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Ziegler, Jonathan D; Paukert, Hendrik; Koch, Andreas; Schilling, Andreas; 2020; Acoustic Source Localization and High Quality Beamforming Using Coincident Microphone Arrays [PDF]; Stuttgart Media University; Paper 10321; Available from: https://aes2.org/publications/elibrary-page/?id=20738
Ziegler, Jonathan D; Paukert, Hendrik; Koch, Andreas; Schilling, Andreas; Acoustic Source Localization and High Quality Beamforming Using Coincident Microphone Arrays [PDF]; Stuttgart Media University; Paper 10321; 2020 Available: https://aes2.org/publications/elibrary-page/?id=20738
@article{ziegler2020acoustic,
author={ziegler jonathan d and paukert hendrik and koch andreas and schilling andreas},
journal={journal of the audio engineering society},
title={acoustic source localization and high quality beamforming using coincident microphone arrays},
year={2020},
number={10321},
month={may},}