Document Detail


Loudspeaker equalization for auditory research.
MedLine Citation:
PMID:  17552479     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The equalization of loudspeaker frequency response is necessary to conduct many types of well-controlled auditory experiments. This article introduces a program that includes functions to measure a loudspeaker's frequency response, design equalization filters, and apply the filters to a set of stimuli to be used in an auditory experiment. The filters can compensate for both magnitude and phase distortions introduced by the loudspeaker. A MATLAB script is included in the Appendix to illustrate the details of the equalization algorithm used in the program.
Authors:
Justin A MacDonald; Phuong K Tran
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Behavior research methods     Volume:  39     ISSN:  1554-351X     ISO Abbreviation:  -     Publication Date:  2007 Feb 
Date Detail:
Created Date:  2007-06-07     Completed Date:  2007-07-10     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  101244316     Medline TA:  Behav Res Methods     Country:  United States    
Other Details:
Languages:  eng     Pagination:  133-6     Citation Subset:  IM    
Affiliation:
Army Research Laboratory, Aberdeen Proving Ground, Maryland, USA. jmacd@nmsu.edu
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MeSH Terms
Descriptor/Qualifier:
Acoustic Stimulation / instrumentation*
Algorithms
Amplifiers, Electronic*
Humans
Reaction Time*
Research / methods*,  statistics & numerical data*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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