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Identifier	000425809
Title	Implementation and subjective evaluation of Ambisonics using a spherical loudspeaker array
Alternative Title	Υλοποίηση και υποκειμενική αξιολόγηση της Αμφιηχίας με σφαιρική διάταξη ηχείων
Author	Ηλίας, Άγγελος Α.
Thesis advisor	Τσακαλίδης, Παναγιώτης
Reviewer	Δημητρόπουλος, Ξενοφώντας Στεφανάκης, Νικόλαος Πανταζής, Ιωάννης Αργυρός, Αντώνης
Abstract	This Master Thesis presents different approaches for implementing Ambisonics, one the most well established techniques for capturing and reproducing a sound field. The Thesis presents the basic theory behind first-order spherical harmonics for 3-dimensional sound field analysis and for sound field synthesis using a loudspeaker array. For sound field capturing, two different sensing devices were used: a commercially available tetrahedral microphone and a custom-made circular array of omnidirectional microphones. For reproduction, a three-dimensional configuration of 12 loudspeakers was built, designed in accordance to the specifications of the Acoustic Lab of the Institute of Computer Science of FORTH. The Thesis presents the techniques that were used for implementing Ambisonics in accordance with the limitations of the available equipment and also presents the results derived from listening tests that were made with the goal to verify the correctness of implementation and to compare the two different sensing devices.
Language	Greek
Issue date	2019-11-22
Collection	School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
	Type of Work--Post-graduate theses
Permanent Link	https://elocus.lib.uoc.gr//dlib/7/6/c/metadata-dlib-1573575387-662417-13691.tkl
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