{"id":{"repo_id":"kings","oai_identifier":"oai:kclpure.kcl.ac.uk:studenttheses/2667506b-f58e-44f1-858a-bcb67d341720"},"canonical_url":"https://search.dev.ndltd.org/etd/kings/oai:kclpure.kcl.ac.uk:studenttheses/2667506b-f58e-44f1-858a-bcb67d341720","repository":{"repo_id":"kings","name":"King's College London","base_url":"https://kclpure.kcl.ac.uk/ws/oai"},"display":{"title":"Analysis, Design and Implementation of Multichannel Audio Systems","abstract":"This thesis is concerned with the analysis, design and implementation
of multichannel audio systems. The design objective is to reconstruct
a given sound eld such that it is perceptually equivalent to the
recorded one. A framework for the design of circular microphone arrays
is proposed. This framework is based on tting of psychoacoustic
data and enables the design of both coincident and quasi-coincident
arrays. Results of formal listening experiments suggest that the proposed
methodology performs on a par with state of the art methods,
albeit with a more graceful degradation away from the centre of the
loudspeaker array. A computational model of auditory perception is
also developed to estimate the subjects' response in a broader class
of conditions than the ones considered in the listening experiments.
The model predictions suggest that quasi-coincident microphone arrays
result in auditory events that are easier to localise for o centre
listeners. Two technologies are developed to enable using the proposed
framework for recording of real sound elds (e.g. live concert)
and virtual ones (e.g. video-games). Dierential microphones are
identied as desirable candidates for the case of real sound elds and
are adapted to suit the framework requirements. Their robustness to
self-noise is assessed and measurements of a third-order prototype are
presented. Finally, a scalable and interactive room acoustic simulator
is proposed to enable virtual recordings in simulated sound elds.","abstract_html":"This thesis is concerned with the analysis, design and implementation<br/>of multichannel audio systems. The design objective is to reconstruct<br/>a given sound eld such that it is perceptually equivalent to the<br/>recorded one. A framework for the design of circular microphone arrays<br/>is proposed. This framework is based on tting of psychoacoustic<br/>data and enables the design of both coincident and quasi-coincident<br/>arrays. Results of formal listening experiments suggest that the proposed<br/>methodology performs on a par with state of the art methods,<br/>albeit with a more graceful degradation away from the centre of the<br/>loudspeaker array. A computational model of auditory perception is<br/>also developed to estimate the subjects' response in a broader class<br/>of conditions than the ones considered in the listening experiments.<br/>The model predictions suggest that quasi-coincident microphone arrays<br/>result in auditory events that are easier to localise for o centre<br/>listeners. Two technologies are developed to enable using the proposed<br/>framework for recording of real sound elds (e.g. live concert)<br/>and virtual ones (e.g. video-games). Dierential microphones are<br/>identied as desirable candidates for the case of real sound elds and<br/>are adapted to suit the framework requirements. Their robustness to<br/>self-noise is assessed and measurements of a third-order prototype are<br/>presented. Finally, a scalable and interactive room acoustic simulator<br/>is proposed to enable virtual recordings in simulated sound elds.","abstract_has_math":false,"creators":["De Sena, Enzo"],"institution":"King's College London","degree_name":"Doctor of Philosophy","degree_level":"Doctoral Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Cvetkovic, Zoran","Georgakis, Apostolos"],"committee_chairs":[],"committee_members":[],"year":2013,"date_issued":"2013-7-1","date_published":"2013-7-1","updated_at":"2026-07-24T02:44:34Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oai:kclpure.kcl.ac.uk:studenttheses/2667506b-f58e-44f1-858a-bcb67d341720"],"render_values":[{"text":"oai:kclpure.kcl.ac.uk:studenttheses/2667506b-f58e-44f1-858a-bcb67d341720","href":null,"code":true}]}]},"links":{"outbound_url":"https://kclpure.kcl.ac.uk/portal/en/studentTheses/2667506b-f58e-44f1-858a-bcb67d341720","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Cvetkovic, Zoran","Georgakis, Apostolos"]},{"key":"dc:creator","label":"Author","values":["De Sena, Enzo"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2013-7-1"]},{"key":"dc:date.issued","label":"Date","values":["2013-7-1"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Informatics"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["King's College London"]},{"key":"dc:relation.isreferencedby","label":"Dc Relation Isreferencedby","values":["https://kclpure.kcl.ac.uk/portal/en/studentTheses/2667506b-f58e-44f1-858a-bcb67d341720"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral Thesis"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["Doctor of Philosophy"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["oai:kclpure.kcl.ac.uk:studenttheses/2667506b-f58e-44f1-858a-bcb67d341720","https://kclpure.kcl.ac.uk/portal/en/studentTheses/2667506b-f58e-44f1-858a-bcb67d341720"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://kclpure.kcl.ac.uk/portal/files/12526072/Studentthesis-Enzo_De%20Sena_2013.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This thesis is concerned with the analysis, design and implementation
of multichannel audio systems. The design objective is to reconstruct
a given sound eld such that it is perceptually equivalent to the
recorded one. A framework for the design of circular microphone arrays
is proposed. This framework is based on tting of psychoacoustic
data and enables the design of both coincident and quasi-coincident
arrays. Results of formal listening experiments suggest that the proposed
methodology performs on a par with state of the art methods,
albeit with a more graceful degradation away from the centre of the
loudspeaker array. A computational model of auditory perception is
also developed to estimate the subjects' response in a broader class
of conditions than the ones considered in the listening experiments.
The model predictions suggest that quasi-coincident microphone arrays
result in auditory events that are easier to localise for o centre
listeners. Two technologies are developed to enable using the proposed
framework for recording of real sound elds (e.g. live concert)
and virtual ones (e.g. video-games). Dierential microphones are
identied as desirable candidates for the case of real sound elds and
are adapted to suit the framework requirements. Their robustness to
self-noise is assessed and measurements of a third-order prototype are
presented. Finally, a scalable and interactive room acoustic simulator
is proposed to enable virtual recordings in simulated sound elds."]},{"key":"dc:title","label":"Title","values":["Analysis, Design and Implementation of Multichannel Audio Systems"]}]}],"canonical_facts":{"dc:contributor.advisor":["Cvetkovic, Zoran","Georgakis, Apostolos"],"dc:creator":["De Sena, Enzo"],"dc:date":["2013-7-1"],"dc:date.issued":["2013-7-1"],"dc:description.abstract":["This thesis is concerned with the analysis, design and implementation
of multichannel audio systems. The design objective is to reconstruct
a given sound eld such that it is perceptually equivalent to the
recorded one. A framework for the design of circular microphone arrays
is proposed. This framework is based on tting of psychoacoustic
data and enables the design of both coincident and quasi-coincident
arrays. Results of formal listening experiments suggest that the proposed
methodology performs on a par with state of the art methods,
albeit with a more graceful degradation away from the centre of the
loudspeaker array. A computational model of auditory perception is
also developed to estimate the subjects' response in a broader class
of conditions than the ones considered in the listening experiments.
The model predictions suggest that quasi-coincident microphone arrays
result in auditory events that are easier to localise for o centre
listeners. Two technologies are developed to enable using the proposed
framework for recording of real sound elds (e.g. live concert)
and virtual ones (e.g. video-games). Dierential microphones are
identied as desirable candidates for the case of real sound elds and
are adapted to suit the framework requirements. Their robustness to
self-noise is assessed and measurements of a third-order prototype are
presented. Finally, a scalable and interactive room acoustic simulator
is proposed to enable virtual recordings in simulated sound elds."],"dc:identifier":["oai:kclpure.kcl.ac.uk:studenttheses/2667506b-f58e-44f1-858a-bcb67d341720","https://kclpure.kcl.ac.uk/portal/en/studentTheses/2667506b-f58e-44f1-858a-bcb67d341720"],"dc:identifier.uri":["https://kclpure.kcl.ac.uk/portal/files/12526072/Studentthesis-Enzo_De%20Sena_2013.pdf"],"dc:language":["eng"],"dc:publisher.department":["Informatics"],"dc:publisher.institution":["King's College London"],"dc:relation.isreferencedby":["https://kclpure.kcl.ac.uk/portal/en/studentTheses/2667506b-f58e-44f1-858a-bcb67d341720"],"dc:title":["Analysis, Design and Implementation of Multichannel Audio Systems"],"dc:type":["Thesis"],"dc:type.qualificationlevel":["Doctoral Thesis"],"dc:type.qualificationname":["Doctor of Philosophy"]},"updated_at":"2026-07-24T02:44:34Z"}