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dc.contributor.authorCobo, Pedro-
dc.contributor.authorFernández, Alejandro-
dc.contributor.authorPalacios, R.-
dc.contributor.authorColina, Carlos de la-
dc.contributor.authorSiguero, Manuel-
dc.identifier.citationXXXV Congreso Español de Acústica – TecniAcústica 2004. Metrological and experimental acoustics; ID22en_US
dc.description8 pages, 6 figures.-- Comunicación presentada en: XXXV Congreso Español de Acústica – TecniAcústica 2004, IV Congreso Iberoamericano de Acústica, IV Congreso Ibérico de Acústica y EAA Symposium "Environmental and Architectural Acoustics" (Guimaraes, 14-17 Sep 2004).en_US
dc.description.abstractNoise barriers can be characterized by using the Adrienne method which combines MLS signals with the subtraction technique. This paper deals with a method to shape the loudspeaker-microphone impulse response which utilizes inverse filtering techniques to design the waveform radiated by the loudspeaker according to some prescribed criterion. For instance, zero-phase cosine-magnitude waveforms provide minimum length within a given frequency band. Therefore, this technique allows approaching the microphone to the loudspeaker, and as a consequence, reduces the lowest reliable frequency of the absorption measurement.en_US
dc.description.sponsorshipThis research has been supported by the Spanish Ministry of Science and Technology, under Grant. Nº. DPI2001-1613-C02-01.en_US
dc.format.extent1050098 bytes-
dc.publisherSociedade Portuguesa de Acústicaen_US
dc.subjectAntinoise devicesen_US
dc.subjectNoise barriersen_US
dc.subjectAbsorption coefficienten_US
dc.subjectAdrienne methoden_US
dc.subjectMaximum Length Sequence (MLS) methoden_US
dc.subjectSignal subtraction techniqueen_US
dc.subjectInverse filtering techniquesen_US
dc.subjectWaveform determinationen_US
dc.subjectLoudspeaker-microphone setupen_US
dc.titleIn situ absorption measurement of antinoise devices using pre-determined pulse waveformsen_US
dc.typecomunicación de congresoen_US
dc.description.peerreviewedPeer revieweden_US
Appears in Collections:(IA) Comunicaciones congresos
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