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This research describes a method to auralize the effect of a three-dimensional directional pattern of an acoustic source in a reverberant environment using real acoustic measurements of laser sparks. Laser-induced breakdown (LIB) produces a massless and point-like acoustic source. The authors demonstrate the performance of a volumetric array of LIBs for synthesizing arbitrary radiation patterns, auralize the radiation pattern of a loudspeaker and compare the measured and synthesized impulse responses in a reverberant room, and evaluate the method using listening tests. The synthesized room response matched the target response both in room response reconstruction and in listening tests. The proposed method requires no previous knowledge about the room characteristics; auralization is performed by convolving a sound signal with the synthesized room impulse responses using the cloud of laser sparks. The quality of the synthesized version was rated to be excellent.
Author (s): Delikaris-Manias, Symeon; Bolaños, Javier Gómez; Eskelinen, Joona; Huhtakallio, Ilkka; Hæggström, Edward; Pulkki, Ville
Affiliation:
Department of Signal Processing and Acoustics, Aalto University, Espoo, Finland; Department of Physics, University of Helsinki, Helsinki, Finland
(See document for exact affiliation information.)
Publication Date:
2016-10-06
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Delikaris-Manias, Symeon; Bolaños, Javier Gómez; Eskelinen, Joona; Huhtakallio, Ilkka; Hæggström, Edward; Pulkki, Ville; 2016; Auralization of Source Radiation Pattern Synthesized with Laser Spark Room Responses [PDF]; Department of Signal Processing and Acoustics, Aalto University, Espoo, Finland; Department of Physics, University of Helsinki, Helsinki, Finland; Paper ; Available from: https://aes2.org/publications/elibrary-page/?id=18514
Delikaris-Manias, Symeon; Bolaños, Javier Gómez; Eskelinen, Joona; Huhtakallio, Ilkka; Hæggström, Edward; Pulkki, Ville; Auralization of Source Radiation Pattern Synthesized with Laser Spark Room Responses [PDF]; Department of Signal Processing and Acoustics, Aalto University, Espoo, Finland; Department of Physics, University of Helsinki, Helsinki, Finland; Paper ; 2016 Available: https://aes2.org/publications/elibrary-page/?id=18514
@article{delikaris-manias2016auralization,
author={delikaris-manias symeon and bolaños javier gómez and eskelinen joona and huhtakallio ilkka and hæggström edward and pulkki ville},
journal={journal of the audio engineering society},
title={auralization of source radiation pattern synthesized with laser spark room responses},
year={2016},
volume={64},
issue={10},
pages={720-730},
month={october},}
TY – paper
TI – Auralization of Source Radiation Pattern Synthesized with Laser Spark Room Responses
SP – 720 EP – 730
AU – Delikaris-Manias, Symeon
AU – Bolaños, Javier Gómez
AU – Eskelinen, Joona
AU – Huhtakallio, Ilkka
AU – Hæggström, Edward
AU – Pulkki, Ville
PY – 2016
JO – Journal of the Audio Engineering Society
VO – 64
IS – 10
Y1 – October 2016