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dc.contributor.advisorPettersen, Odd Kr.nb_NO
dc.contributor.advisorSørsdal, Svein
dc.contributor.authorLarsen, Emil Wiiknb_NO
dc.contributor.authorMoberg, Espen Oldervoll
dc.date.accessioned2014-12-19T13:44:01Z
dc.date.accessioned2015-12-22T11:41:47Z
dc.date.available2014-12-19T13:44:01Z
dc.date.available2015-12-22T11:41:47Z
dc.date.created2010-09-04nb_NO
dc.date.issued2007nb_NO
dc.identifier348515nb_NO
dc.identifierntnudaim:3430
dc.identifier.urihttp://hdl.handle.net/11250/2369328
dc.description.abstractConventional hearing aids perform badly in environments with reverberation and noise. In this paper the use of microphone arrays as hearing aids to increase directivity and signal-to-noise ratio (SNR) in a noisy environment are evaluated. A portable microphone array prototype is constructed to test beamforming algorithms in a real environment. Delay and sum beamforming, sub-band beamforming and an experimental type of binaural beamforming is implemented in real-time using the digital signal processor ADSP-BF533. Results from testing showed that a four microphone array using sub-band beamforming outperforms delay and sum beamforming using the same number of microphones. The results also showed that it is possible to obtain binaural impression of the array output and source localization using the proposed binaural technique called beamspreading.nb_NO
dc.languageengnb_NO
dc.publisherInstitutt for elektronikk og telekommunikasjonnb_NO
dc.subjectntnudaimno_NO
dc.subjectSIE6 elektronikk
dc.subjectSignalbehandling og kommunikasjon
dc.titleHearing Aid for Social Situationsnb_NO
dc.typeMaster thesisnb_NO
dc.source.pagenumber82nb_NO
dc.contributor.departmentNorges teknisk-naturvitenskapelige universitet, Fakultet for informasjonsteknologi, matematikk og elektroteknikk, Institutt for elektronikk og telekommunikasjonnb_NO


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