publication . Doctoral thesis . 2013

The propagation of low frequency sound through an audience

Shabalina, Elena D.;
Open Access English
  • Published: 01 Jan 2013
  • Publisher: Logos-Verl.
  • Country: Germany
Abstract
In this thesis it is investigated, how low frequency sound (30-100Hz) propagates through an audience. At large outdoor concerts or festivals subwoofers, the dedicated low frequency loudspeakers, are often placed in a row in front of the stage as an evenly spaced array in order to control the directivity of sound at low frequencies. The audience itself often stands tightly packed in front of the array, so that sound waves propagate partly through the audience and partly over it. The purpose of the present research is to investigate how exactly the presence of the audience influences the propagation of sound. A new live measurement method was developed to evaluate...
Subjects
free text keywords: Akustik, Veranstaltungstechnik, Beschallungstechnik, Physik, Beschallung, acoustics, sound reinforcement, equivalent fluid, subwoofer array, sound propagation, ddc:530
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