Practical wavefield arrays need shaped layouts to reduce boundary artifacts

Evidence

  1. Finite array size: The Huygens-Fresnel Principle assumes that elemental spherical waves are present on an infinitely long boundary. This means that the sharp boundaries, or changes in direction that would be need to form a practical array, can cause problems. Figure 7.13 shows a wavefield synthesis installation in the anechoic room at the university of Salford. Note that it is an octagonal arrangement to reduce these end effects. — David M. Howard, Jamie Angus, Acoustics and Psychoacoustics, 2241

Categorization

  • XREF: connects to: Cabinet edges and centered drivers create diffraction that smooth curves minimize — David Howard, Jamie Angus, coustics and Psychoacoustics, 2217