Real-time Microphone Array Processing for Sound-field Analysis and Perceptually Motivated Reproduction

dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.advisorDelikaris-Manias, Symeon
dc.contributor.authorMcCormack, Leo
dc.contributor.schoolSähkötekniikan korkeakoulufi
dc.contributor.supervisorPulkki, Ville
dc.date.accessioned2017-12-18T11:39:53Z
dc.date.available2017-12-18T11:39:53Z
dc.date.issued2017-12-11
dc.description.abstractThis thesis details real-time implementations of sound-field analysis and perceptually motivated reproduction methods for visualisation and auralisation purposes. For the former, various methods for visualising the relative distribution of sound energy from one point in space are investigated and contrasted; including a novel reformulation of the cross-pattern coherence (CroPaC) algorithm, which integrates a new side-lobe suppression technique. Whereas for auralisation applications, listening tests were conducted to compare ambisonics reproduction with a novel headphone formulation of the directional audio coding (DirAC) method. The results indicate that the side-lobe suppressed CroPaC method offers greater spatial selectivity in reverberant conditions compared with other popular approaches, and that the new DirAC formulation yields higher perceived spatial accuracy when compared to the ambisonics method.en
dc.ethesisidAalto 9673
dc.format.extent7+54
dc.format.mimetypeapplication/pdfen
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/29086
dc.identifier.urnURN:NBN:fi:aalto-201712187884
dc.language.isoenen
dc.locationP1fi
dc.programmeCCIS - Master’s Programme in Computer, Communication and Information Sciences (TS2013)fi
dc.programme.majorAcoustics and Audio Technologyfi
dc.programme.mcodeELEC3030fi
dc.subject.keywordspatial audioen
dc.subject.keywordmicrophone arraysen
dc.subject.keywordsound-field analysisen
dc.subject.keywordsound-field reproductionen
dc.subject.keyworddirectional audio codingen
dc.subject.keywordtime-frequency domain processingen
dc.titleReal-time Microphone Array Processing for Sound-field Analysis and Perceptually Motivated Reproductionen
dc.typeG2 Pro gradu, diplomityöfi
dc.type.ontasotMaster's thesisen
dc.type.ontasotDiplomityöfi
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