DC Field | Value | Language |
---|---|---|
dc.contributor.author | Jeong, Cheol-Ho | ko |
dc.contributor.author | Ih, Jeong-Guon | ko |
dc.date.accessioned | 2013-03-11T21:43:33Z | - |
dc.date.available | 2013-03-11T21:43:33Z | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.created | 2012-02-06 | - |
dc.date.issued | 2009-01 | - |
dc.identifier.citation | APPLIED ACOUSTICS, v.70, no.1, pp.120 - 128 | - |
dc.identifier.issn | 0003-682X | - |
dc.identifier.uri | http://hdl.handle.net/10203/100394 | - |
dc.description.abstract | In the simulation of acoustic response of a room, one cannot satisfactorily estimate the transfer function or the impulse response with a sparse frequency resolution. We have studied about the frequency resolution for a satisfactory estimation of room transfer function or the reverberation time using the phased beam tracing method. In order to investigate what happens with the frequency resolution, a number of frequency resolution (0.01-1 Hz), which are usually employed in the numerical analysis, was tested for a room model. It was found that the total accumulated phase in a transfer function and the late part of an impulse response of a room are influenced by the frequency resolution. Main reason for the difference is the correct detection of non-minimum phase zeros, depending on the frequency resolution. A criterion for a proper frequency resolution was suggested by considering the modal density of three-dimensional space. When a sparse dataset was initially given, we showed that cubic spline interpolation can be used to enhance the precision of detection for non-minimum phase zeros. (C) 2007 Elsevier Ltd. All rights reserved. | - |
dc.language | English | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.title | A note on the proper frequency resolution for the room transfer function in the phased beam tracing method | - |
dc.type | Article | - |
dc.identifier.wosid | 000261349300011 | - |
dc.identifier.scopusid | 2-s2.0-54949102825 | - |
dc.type.rims | ART | - |
dc.citation.volume | 70 | - |
dc.citation.issue | 1 | - |
dc.citation.beginningpage | 120 | - |
dc.citation.endingpage | 128 | - |
dc.citation.publicationname | APPLIED ACOUSTICS | - |
dc.identifier.doi | 10.1016/j.apacoust.2007.12.009 | - |
dc.contributor.localauthor | Ih, Jeong-Guon | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Room transfer function | - |
dc.subject.keywordAuthor | Frequency resolution | - |
dc.subject.keywordAuthor | Non-minimum phase zero | - |
dc.subject.keywordAuthor | Phased beam tracing | - |
dc.subject.keywordPlus | SOUND FIELDS | - |
dc.subject.keywordPlus | ERRORS | - |
dc.subject.keywordPlus | MODEL | - |
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