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has been cited by the following article:

• TITLE: An Experimental Method to Determine the Cut-Off Frequency of an Acoustical Free Field in a Non-Ideal Environment

  AUTHORS: Mohammad Al Zubi

  KEYWORDS: Acoustics, Cut-Off Frequency, Sound Fields, Noise

  JOURNAL NAME: Open Journal of Acoustics, Vol.8 No.1, March 31, 2018

  ABSTRACT: The availability of ideal conditions like anechoic chamber to characterize some sound parameters, like sound intensity and sound power necessities the determination of free field and cut off frequency measurements. In this article, full experiment was executed at Wayne State University (Detroit-Michigan), to determine the cut off frequency in all directions; the obtained results showed that the free field can be determined for a specified space. So other tests can take place in this space avoiding regions where reflections and consequently noise can be found. Upon these results tests related to noise abatement in vehicles can be done in such environment.