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< dc:title > 3D audio technologies : applications to sound capture, post-production and listener perception </ dc:title >
< dc:creator > Cengarle, Giulio </ dc:creator >
< dc:contributor > Mateos Solé, Toni </ dc:contributor >
< dc:contributor > Universitat Pompeu Fabra. Departament de Tecnologies de la Informació i les Comunicacions </ dc:contributor >
< dc:subject > Audio </ dc:subject >
< dc:subject > Surround </ dc:subject >
< dc:subject > 3D </ dc:subject >
< dc:subject > Tecnologías </ dc:subject >
< dc:subject > Grabación </ dc:subject >
< dc:subject > Ambisonics </ dc:subject >
< dc:subject > Anemómetro </ dc:subject >
< dc:subject > Micrófonos </ dc:subject >
< dc:subject > Post-producción </ dc:subject >
< dc:subject > Mezcla automatizada </ dc:subject >
< dc:subject > Channel-free </ dc:subject >
< dc:subject > Decodificación </ dc:subject >
< dc:subject > Detector distorsión </ dc:subject >
< dc:subject > Experimentos psicoacusticos </ dc:subject >
< dc:subject > Percepción </ dc:subject >
< dc:subject > Technologies </ dc:subject >
< dc:subject > Recording </ dc:subject >
< dc:subject > Anemometer </ dc:subject >
< dc:subject > Microphones </ dc:subject >
< dc:subject > Post-production </ dc:subject >
< dc:subject > Assisted mixing </ dc:subject >
< dc:subject > Decoding </ dc:subject >
< dc:subject > Clipping detector </ dc:subject >
< dc:subject > Psychoacoustic test </ dc:subject >
< dc:subject > Perception </ dc:subject >
< dc:subject > 62 </ dc:subject >
< dc:description > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ dc:description >
< dc:description > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ dc:description >
< dc:description > Programa de doctorat en Tecnologies de la Informació i les Comunicacions </ dc:description >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2012-11-29 </ dc:date >
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< dc:identifier > B. 4563-2013 </ dc:identifier >
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< dc:title > 3D audio technologies : applications to sound capture, post-production and listener perception </ dc:title >
< dc:creator > Cengarle, Giulio </ dc:creator >
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< dc:subject > 3D </ dc:subject >
< dc:subject > Tecnologías </ dc:subject >
< dc:subject > Grabación </ dc:subject >
< dc:subject > Ambisonics </ dc:subject >
< dc:subject > Anemómetro </ dc:subject >
< dc:subject > Micrófonos </ dc:subject >
< dc:subject > Post-producción </ dc:subject >
< dc:subject > Mezcla automatizada </ dc:subject >
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< dc:subject > Decodificación </ dc:subject >
< dc:subject > Detector distorsión </ dc:subject >
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< dc:subject > Post-production </ dc:subject >
< dc:subject > Assisted mixing </ dc:subject >
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< dc:description > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ dc:description >
< dc:description > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ dc:description >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2012-11-29 </ dc:date >
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< dc:contributor > Universitat Pompeu Fabra. Departament de Tecnologies de la Informació i les Comunicacions </ dc:contributor >
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< dc:description > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ dc:description >
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< dc:subject > Anemometer </ dc:subject >
< dc:subject > Microphones </ dc:subject >
< dc:subject > Post-production </ dc:subject >
< dc:subject > Assisted mixing </ dc:subject >
< dc:subject > Decoding </ dc:subject >
< dc:subject > Clipping detector </ dc:subject >
< dc:subject > Psychoacoustic test </ dc:subject >
< dc:subject > Perception </ dc:subject >
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< title > 3D audio technologies : applications to sound capture, post-production and listener perception </ title >
< creator > Cengarle, Giulio </ creator >
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< description > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ description >
< description > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ description >
< date > 2013-02-04 </ date >
< date > 2013-02-04 </ date >
< date > 2012-11-29 </ date >
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< mods:abstract > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ mods:abstract >
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< mods:abstract > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ mods:abstract >
< mods:abstract > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ mods:abstract >
< mods:language >
< mods:languageTerm > eng </ mods:languageTerm >
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< mods:accessCondition type =" useAndReproduction " > info:eu-repo/semantics/openAccess </ mods:accessCondition >
< mods:subject >
< mods:topic > Audio </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Surround </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > 3D </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Tecnologías </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Grabación </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Ambisonics </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Anemómetro </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Micrófonos </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Post-producción </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Mezcla automatizada </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Channel-free </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Decodificación </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Detector distorsión </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Experimentos psicoacusticos </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Percepción </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Technologies </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Recording </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Anemometer </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Microphones </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Post-production </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Assisted mixing </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Decoding </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Clipping detector </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Psychoacoustic test </ mods:topic >
</ mods:subject >
< mods:subject >
< mods:topic > Perception </ mods:topic >
</ mods:subject >
< mods:titleInfo >
< mods:title > 3D audio technologies : applications to sound capture, post-production and listener perception </ mods:title >
</ mods:titleInfo >
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< dc:title > 3D audio technologies : applications to sound capture, post-production and listener perception </ dc:title >
< datacite:creator >
< datacite:creatorName > Cengarle, Giulio </ datacite:creatorName >
</ datacite:creator >
< datacite:contributor > giulio.cengarle@upf.edu </ datacite:contributor >
< datacite:contributor > true </ datacite:contributor >
< datacite:contributor > Mateos Solé, Toni </ datacite:contributor >
< datacite:contributor > true </ datacite:contributor >
< datacite:contributor > Universitat Pompeu Fabra. Departament de Tecnologies de la Informació i les Comunicacions </ datacite:contributor >
< dc:subject > Audio </ dc:subject >
< dc:subject > Surround </ dc:subject >
< dc:subject > 3D </ dc:subject >
< dc:subject > Tecnologías </ dc:subject >
< dc:subject > Grabación </ dc:subject >
< dc:subject > Ambisonics </ dc:subject >
< dc:subject > Anemómetro </ dc:subject >
< dc:subject > Micrófonos </ dc:subject >
< dc:subject > Post-producción </ dc:subject >
< dc:subject > Mezcla automatizada </ dc:subject >
< dc:subject > Channel-free </ dc:subject >
< dc:subject > Decodificación </ dc:subject >
< dc:subject > Detector distorsión </ dc:subject >
< dc:subject > Experimentos psicoacusticos </ dc:subject >
< dc:subject > Percepción </ dc:subject >
< dc:subject > Technologies </ dc:subject >
< dc:subject > Recording </ dc:subject >
< dc:subject > Anemometer </ dc:subject >
< dc:subject > Microphones </ dc:subject >
< dc:subject > Post-production </ dc:subject >
< dc:subject > Assisted mixing </ dc:subject >
< dc:subject > Decoding </ dc:subject >
< dc:subject > Clipping detector </ dc:subject >
< dc:subject > Psychoacoustic test </ dc:subject >
< dc:subject > Perception </ dc:subject >
< dc:subject > 62 </ dc:subject >
< dc:description > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ dc:description >
< dc:description > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ dc:description >
< dc:description > Programa de doctorat en Tecnologies de la Informació i les Comunicacions </ dc:description >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2012-11-29 </ dc:date >
< dc:type > info:eu-repo/semantics/doctoralThesis </ dc:type >
< dc:type > info:eu-repo/semantics/publishedVersion </ dc:type >
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< datacite:alternateIdentifier > B. 4563-2013 </ datacite:alternateIdentifier >
< dc:language > eng </ dc:language >
< dc:rights > ADVERTIMENT. L'accés als continguts d'aquesta tesi doctoral i la seva utilització ha de respectar els drets de la persona autora. Pot ser utilitzada per a consulta o estudi personal, així com en activitats o materials d'investigació i docència en els termes establerts a l'art. 32 del Text Refós de la Llei de Propietat Intel·lectual (RDL 1/1996). Per altres utilitzacions es requereix l'autorització prèvia i expressa de la persona autora. En qualsevol cas, en la utilització dels seus continguts caldrà indicar de forma clara el nom i cognoms de la persona autora i el títol de la tesi doctoral. No s'autoritza la seva reproducció o altres formes d'explotació efectuades amb finalitats de lucre ni la seva comunicació pública des d'un lloc aliè al servei TDX. Tampoc s'autoritza la presentació del seu contingut en una finestra o marc aliè a TDX (framing). Aquesta reserva de drets afecta tant als continguts de la tesi com als seus resums i índexs. </ dc:rights >
< dc:rights > info:eu-repo/semantics/openAccess </ dc:rights >
< dc:format > 147 p. </ dc:format >
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< dc:publisher > Universitat Pompeu Fabra </ dc:publisher >
< dc:source > TDX (Tesis Doctorals en Xarxa) </ dc:source >
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< dc:title > 3D audio technologies : applications to sound capture, post-production and listener perception </ dc:title >
< dc:creator > Cengarle, Giulio </ dc:creator >
< dc:contributor > Mateos Solé, Toni </ dc:contributor >
< dc:subject > Audio </ dc:subject >
< dc:subject > Surround </ dc:subject >
< dc:subject > 3D </ dc:subject >
< dc:subject > Tecnologías </ dc:subject >
< dc:subject > Grabación </ dc:subject >
< dc:subject > Ambisonics </ dc:subject >
< dc:subject > Anemómetro </ dc:subject >
< dc:subject > Micrófonos </ dc:subject >
< dc:subject > Post-producción </ dc:subject >
< dc:subject > Mezcla automatizada </ dc:subject >
< dc:subject > Channel-free </ dc:subject >
< dc:subject > Decodificación </ dc:subject >
< dc:subject > Detector distorsión </ dc:subject >
< dc:subject > Experimentos psicoacusticos </ dc:subject >
< dc:subject > Percepción </ dc:subject >
< dc:subject > Technologies </ dc:subject >
< dc:subject > Recording </ dc:subject >
< dc:subject > Anemometer </ dc:subject >
< dc:subject > Microphones </ dc:subject >
< dc:subject > Post-production </ dc:subject >
< dc:subject > Assisted mixing </ dc:subject >
< dc:subject > Decoding </ dc:subject >
< dc:subject > Clipping detector </ dc:subject >
< dc:subject > Psychoacoustic test </ dc:subject >
< dc:subject > Perception </ dc:subject >
< dcterms:abstract > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ dcterms:abstract >
< dcterms:abstract > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ dcterms:abstract >
< dcterms:dateAccepted > 2013-02-04T13:07:26Z </ dcterms:dateAccepted >
< dcterms:available > 2013-02-04T13:07:26Z </ dcterms:available >
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< dcterms:issued > 2012-11-29 </ dcterms:issued >
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< dc:rights > info:eu-repo/semantics/openAccess </ dc:rights >
< dc:publisher > Universitat Pompeu Fabra </ dc:publisher >
< dc:source > TDX (Tesis Doctorals en Xarxa) </ dc:source >
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< dc:title > 3D audio technologies : applications to sound capture, post-production and listener perception </ dc:title >
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< dc:contributor > Mateos Solé, Toni </ dc:contributor >
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< dc:subject > Surround </ dc:subject >
< dc:subject > 3D </ dc:subject >
< dc:subject > Tecnologías </ dc:subject >
< dc:subject > Grabación </ dc:subject >
< dc:subject > Ambisonics </ dc:subject >
< dc:subject > Anemómetro </ dc:subject >
< dc:subject > Micrófonos </ dc:subject >
< dc:subject > Post-producción </ dc:subject >
< dc:subject > Mezcla automatizada </ dc:subject >
< dc:subject > Channel-free </ dc:subject >
< dc:subject > Decodificación </ dc:subject >
< dc:subject > Detector distorsión </ dc:subject >
< dc:subject > Experimentos psicoacusticos </ dc:subject >
< dc:subject > Percepción </ dc:subject >
< dc:subject > Technologies </ dc:subject >
< dc:subject > Recording </ dc:subject >
< dc:subject > Anemometer </ dc:subject >
< dc:subject > Microphones </ dc:subject >
< dc:subject > Post-production </ dc:subject >
< dc:subject > Assisted mixing </ dc:subject >
< dc:subject > Decoding </ dc:subject >
< dc:subject > Clipping detector </ dc:subject >
< dc:subject > Psychoacoustic test </ dc:subject >
< dc:subject > Perception </ dc:subject >
< dc:description > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ dc:description >
< dc:description > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ dc:description >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2013-02-04T13:07:26Z </ dc:date >
< dc:date > 2012-11-29 </ dc:date >
< dc:type > info:eu-repo/semantics/doctoralThesis </ dc:type >
< dc:type > info:eu-repo/semantics/publishedVersion </ dc:type >
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< dc:rights > info:eu-repo/semantics/openAccess </ dc:rights >
< dc:publisher > Universitat Pompeu Fabra </ dc:publisher >
< dc:source > TDX (Tesis Doctorals en Xarxa) </ dc:source >
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< field name =" value " > La llegada del sonido 3D está imponiendo cambios en varias etapas del flujo de trabajo, desde los sistemas de captación hasta las metodologías de postproducción y las configuraciones de altavoces. Esta tesis trata varios aspectos relacionados con el audio 3D: en la parte de captación, presentamos un estudio sobre las características de los micrófonos tetraédricos y una solución para obtener las componentes Ambisonics del segundo orden usando un pequeño número de transductores del primer orden; en la parte de producción, se presenta una aplicación para la mezcla automatizada de eventos deportivos, para reducir la complexidad del multicanal en tiempo real; para la restitución del audio independiente del sistema de altavoces, en el que los niveles de salida a los altavoces son una incógnita hasta la decodificación, se propone un detector de clipping independiente del layout. Finalmente, se presentan test psico-acústicos para validar aspectos perceptivos relacionados con el audio 3D. </ field >
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< field name =" value " > The advent of 3D audio is dictating changes in several stages of the audio work-flow, from recording systems and microphone configurations, to post-production methodologies and loudspeaker configurations. This thesis tackles aspects related to 3D audio arising in the various stages of production. In the recording part, we present a study on the accuracy of tetrahedral microphones and a solution for obtaining second-order Ambisonics responses from first-order transducers using a small number of sensors; in the production stage, we introduce an application for automated assisted mixing of sport events, to reduce the complexity of managing multiple audio channels in real time; a clipping detector is proposed for the rendering of layout-independent audio content to generic playback systems, where the signal levels sent to the speakers are unknown until the decoding stage; finally, psychoacoustic experiments are presented for the validation of perceptual and aesthetic aspects related to 3D audio. </ field >
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< field name =" value " > Programa de doctorat en Tecnologies de la Informació i les Comunicacions </ field >
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< field name =" value " > Universitat Pompeu Fabra </ field >
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< field name =" value " > Audio </ field >
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< field name =" value " > Tecnologías </ field >
< field name =" value " > Grabación </ field >
< field name =" value " > Ambisonics </ field >
< field name =" value " > Anemómetro </ field >
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< field name =" value " > Clipping detector </ field >
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