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Sound source localization is an important research field that has attracted researchers' efforts from many technical and biomedical sciences. Sound source localization (SSL) is defined as the determination of the direction from a receiver, but also includes the distance from it. Because of the wave nature of sound propagation, phenomena such as refraction, diffraction, diffusion, reflection, reverberation and interference occur. The wide spectrum of sound frequencies that range from infrasounds through acoustic sounds to ultrasounds, also introduces difficulties, as different spectrum components have different penetration properties through the medium. Consequently, SSL is a complex computation problem and development of robust sound localization techniques calls for different approaches, including multisensor schemes, null-steering beamforming and time-difference arrival techniques. The book offers a rich source of valuable material on advances on SSL techniques and their applications that should appeal to researches representing diverse engineering and scientific disciplines.

Acoustic localization. --- Auditory perception. --- Directional hearing. --- Auditory localization --- Localization, Auditory --- Sound, Localization of --- Sound localization (Physiology) --- Hearing --- Auditory scene analysis --- Sound perception --- Perception --- Word deafness --- Acoustic position reference system --- Acoustic source localization --- Localization, Acoustic --- Sound localization --- Sound source localization --- Source localization, Acoustic --- Sound --- Engineering --- Physical Sciences --- Engineering and Technology --- Mechanical Engineering --- Acoustical Engineering

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This book highlights the mathematical and physical properties of acoustical sources with singularities located in the complex plane and presents the application of such special elements to solve acoustical radiation and scattering problems. Sources whose origin lies in the complex plane are also solutions of the wave equation but possess different radiating properties as their counterparts with real positions. Such mathematical constructions are known in the fields of optics and electrodynamics, but they are not common in acoustical research. The objective of the book is to introduce this concept to acousticians and motivate them to engage themselves in further research and application of complex sources. Such sources are particularly useful to formulate Green’s functions and related equivalent source and boundary element methods in half-spaces.

Acoustical engineering. --- Acoustics. --- Engineering mathematics. --- Physics. --- Engineering Acoustics. --- Engineering Mathematics. --- Numerical and Computational Physics, Simulation. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Engineering --- Engineering analysis --- Mathematical analysis --- Acoustic engineering --- Sonic engineering --- Sonics --- Sound engineering --- Sound-waves --- Mathematics --- Industrial applications --- Acoustic localization --- Acoustic models. --- Mathematics. --- Models, Acoustic --- Acoustical engineering --- Engineering models --- Acoustic position reference system --- Acoustic source localization --- Localization, Acoustic --- Sound localization --- Sound source localization --- Source localization, Acoustic --- Sound