Measurement of Directional Scattering Coefficients Using Near-Field Acoustic Holography and Spatial Transformation of Sound Fields (P)

Kleiner M, Gustafsson H, Backman J. Measurement of Directional Scattering Coefficients Using Near-Field Acoustic Holography and Spatial Transformation of Sound Fields (P). J Audio Eng Soc. 1997;45(5):331-346. Available from: https://aes.org/publications/elibrary-page/?id=7857

@article{Kleiner1997_7857,
  author = {Kleiner, Mendel and Gustafsson, Hans and Backman, Joakim},
  title = {{Measurement of Directional Scattering Coefficients Using Near-Field Acoustic Holography and Spatial Transformation of Sound Fields (P)}},
  journal = {Journal of the Audio Engineering Society},
  volume = {45},
  number = {5},
  pages = {331--346},
  year = {1997},
  month = may,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=7857}
}

TY  - JOUR
TI  - Measurement of Directional Scattering Coefficients Using Near-Field Acoustic Holography and Spatial Transformation of Sound Fields (P)
AU  - Kleiner, Mendel
AU  - Gustafsson, Hans
AU  - Backman, Joakim
T2  - Journal of the Audio Engineering Society
J2  - J. Audio Eng. Soc.
VL  - 45
IS  - 5
SP  - 331
EP  - 346
PY  - 1997
DA  - 1997/05/06
UR  - https://aes.org/publications/elibrary-page/?id=7857
PB  - Audio Engineering Society
LA  - en
AB  - Traditionally, conventional polar response measurements of scattering from objects have been done using turntables or moving microphones and loudspeakers. In the current approach, near-field acoustic holography is used to measure the sound field above a scatterer. The scattered sound field is then spatially transformed to the desired distance and angle, corresponding to a certain angle relative to the normal of the surface. The method has been tested successfully on some scattering objects of interest, such as reflectors and diffusers in room acoustics. The method and assumptions are outlined. The method offers several advantages such as that the scattered sound field can be measured using a simple planar array and also that the scattered sound field can be predicted at various close distances to the scattering object.
ER  -