Sound source localization is a complex and cumbersome task that most acoustics engineers face on a daily basis. Luckily, there are standard methods to help accelerate the process. Basically, sound source localization methods fall into three categories: near-field acoustic holography, acoustic beam-forming, and inverse methods. Unfortunately, there is not a single “magical solution” to sound source localization, so engineers will have to select one method or another, depending on the test object, nature of the sound, and the actual environment.
Read about sound source localization theory to determine which of the three methods is the best one for your job.
Read about actual industry examples featuring the various sound source localization techniques!
Technical knowledge about Sound Source Localization
- Acoustic beamforming technique and near-field focalization
- Acoustic holography technique
- Spherical beamforming technique for interior sound source localization
Industry examples for Sound Source Localization:
Free technical papers (registration required)
- F. Deblauwe, K. Janssens, M. Robin, Extending the usability of nearfield acoustics holography and beamforming using focalization. ICSV14, 2007
- B. Béguet, Jean-Louis Chauray, Filip Deblauwe, Practical aspects for Acoustical Holography, Internoise ’97, Vol.3, pp 1301-1306
- M. Robin and B. Béguet, Acoustic source localisation inside cabins, Automotive and Railway Comfort congress, Le Mans, France, November 19 and 20, 2008
- F. Deblauwe and M. Robin, Capturing a noise source in an interior enclosure, NAG/DAGA, Rotterdam, The Netherlands, March 2009
- L. Lamotte, M. Robin, and F. Deblauwe, Noise mapping and sound quantification in the space using spherical array”, Euronoise, Edinburgh, UK, October 2009